(Asclepiadaceae) Malayan species. Ridley`s 21, two
Transkript
(Asclepiadaceae) Malayan species. Ridley`s 21, two
26(1980)81-126 BLUMEA The Peninsular Malayan species of Dischidia (Asclepiadaceae) R.E. Rintz Summary A critical is study reductions. Dischidia acutifolia subsp. of 23 given and there discussed, is key a subulata klossii the subsp. (Ridl.) of Dischidia. species to species. Full angustata Rintz comb. The ecology, morphology, attention subsp. nov. is paid to and floral D. klossii is described; biology resulting synonomy, in are many Ridl. is reduced to D. nov. Introduction In 1923 within As. Soc. doesn't 2 Beng. 74, seem to 2:402) recognized and Malaya of the work of expansion (J. Mai. Pen. Ridley (fl. peninsular Singapore. Hooker/. (Fl. (1908) 580), to identical to species Brit. Ind. 4, (Malesia 2, those cited of Dischidia, occurring treatment 1884: which he added have consulted Beccari species being obviously 24 Ridley's a was and 49) number of 1886: 248), uncritical an King new & Gamble He species. several of Beccari's but the latter makes by Ridley, no mention of synonomy. While Ridley's 504) published 3: 347) published a approach critical taken many of which In this study by a authors has resulted in number of species from known 23 at my * Phil. Fl. PI. (in Craib, one Fl. Siam. En. was 3, 1: 42) numbers of endemic species occurring to the problem were in other of synonomy, to (Fl. The very local species. species, areas. it affects the as 21, two having omitted for lack of information. In addition, have been found identical areas given several known from large to name priority Malayan newly described species here described work, however, Neither over species the have peninsular to a Malayan Ridley used. subsequently been names have been added for a total number of Malaya. of 1 of intensive field study in paper is the result year species Univ. As. Soc. 84: have been reduced in number neighbouring distributions of species currently This given species synonomy and extended. Also two 23 24 and 5 of these have been species, The identical attention has been to species. Str. Br. of the Thai species and in 1965 Backer & Bakhuizen probably Malayan species. Ridley's been reduced Philippine Roy. and in 1923 (En. (J. rather uncritical review of the Javan most are the 1921 species, synonomy. In 1951 Kerr to account 262) published approach in progress, Merrill in was enumeration of the Bornean enumeration of an critical in its Java 2: work an Malaya. Eighteen collected and 12 of the 15 lowland species were of the grown house near Kuala Lumpur. All of the pertinent material in the herbaria at the of Current Malaya address: (KLU), 17374 Millar Forest rd., Mt. Research Institute Clemens, Michigan, (KEP), Singapore U.S.A. 48043 Botanic 82 BLUMEA Gardens Kew (SING), examined. Pertanian My VOL. 26. I. no. 1980 Museum (BM), Berlin collection where the living material, and Leiden (B), (L) was divided between L and the Universiti was Malaysia (UPM) herbarium, illustrated from were (K), British personal own - I worked. remaining of the Eighteen five from material at species K, L and SING. ECOLOGY The genus Malaya and the along or in banks, ridges, on orchards, find common to as many as 4 or 1 —10 above the m cloud covered, above the more In they Malaya species along occur comprises particularly species, however, encountered from predominantly on Table only 1. The mountain a occur sealevel species, 1000 to c. to can m in both 1700 c. be attempts topographical to grow, and distributions frequently 1. 1. D. D. albiflora albiflora 2. D. acutifolia 3. D. bengalensis 4. of the 2. in the plants Malayan species (above Dischidia and die after 6 usually 11.. areas. m D. m or would — Species 1000 m) 2 D. albida D. albida D. astephana D. longepedunculala longepedunculata D. D. cochleata 4. D. subulata D. subulata 5. D. 5. 5. D. 6. 6. D. 6. 6. D. rhodantha D. rhodantha 7. D. hirsuta hirsuta 7. D. scortechinii scortechinii 8. D. imbricata 8. 8. D. dolichantha dolichantha 9. D. D. 9. D. D. complex fruticulosa major 10. D. nummularia 11 11.. D. D. punctata 12. D. singaporensis 13. D. superba 14. 14. D. tomentella Occurs less commonly above 1000 m. Occurs less commonly below 1000 m. parvifolia parvifolia vadosa 1). found bengalensis albida, cease though as well, species in blooming, 8 months. of Dischidia. Table are lowlands 3. 1 (see cultivate mountain to Mountain Mountain Species 1000 m) m) 1 2 to tree, abundantly are eight species and found limestone hills. Numerous attempts feeble Lowland Lowland (below same the tops of the trees, often 30 m to the lowlands failed. Once collected and relocated, the make which forests, high 100 m of river bank both lowland and mountain species only from Sealevel above 1000 m. Two commonly from 1 the on seem to occur most In the mountain abundantly occur on often host are ground. Dischidia Thirteen species only occur ground. and hills, parks often species 5 different and throughout occur Trees and bamboos areas. limestone plantations, mountain trail. In the lowland forests Dischidias from is trees species The well-lighted of Dischidias. Several different growths and it is as abundant in river along well as comprises only epiphytes. particularly are coasts, mountains, dense Dischidia R. E. Rintz: The Peninsular COMPARATIVE Stems and thickness from D. 1 Most bengalensis. those of D. Roots. c. D. tomentella are Dischidias with these roots hirsuta, rooting freely branch Species held closely are in Malayan species glabrous or lens-shaped There is a gland with entire 10 — occupied development to Both roots. pitcher the D. but maturity, D. and D. complex D. These tree. the nodes, and at beneath the areas e.g. stem. surface of the only roots the to major adjacent provide a unique are and restricted roots, the spreading leaves and ovate or the upper surface on There is tree on by 1 a clusters and next ramifies which the Plants ants. Dischidia. Two are 2 — therein. All parts of the ramify convex on ovate this complex D. leaves on throughout occurs become they Most leaves and D. are borne pubescent The four leaves, declines with or species and entirely species are growing red in deep retuse a exposed long-lived, lifetime. At any one development racemes are produced double; 3 imbricata. at In are and may bear from small buds and even intervals. In 4 racemes at the the apex. 2 species, well as as the D. fruticulosa oppositely stems vesture on the also have of the leaves oldest leaves. species become while the leaves of mountain situation. to borne 100 1 or — most on a more during raceme. its functional present, and these may are flowers. In some species in others small umbels of flowers species occasionally spirally-elongating flowers 8 flowers fully opened continuously producing flowers; irregular open As these leaves margins. at cases sunlight, into tight readily occupied by green. The leaves of lowland in direct genus into each leaf and having pubescent most the leaves in are the to frequently this type is flat in x-section glabrous. Only alternately are outline, incorporated leaves grows leaves apex and entire as in placed pitcher root absent from the time, however, only range in The single pitcher cited Inflorescence. Dischidia flowers is margins. appressed formed is produce pitcher bengalensis; are when young. most buff brown when raceme a bear leaves both is often age, and become stems. D. on species previously The shade leaves of yellow formerly were petiole; oppositely least at closely cavity round in x-section and obtuse nearly superba, commonly plant. held are and D. major, elongate only essentially above the base projection just and the growing, the empty interior. The A fourth leaf type are in x-section and orbicular in conical long, group the attachment of the to species they in outline, withentire the basis of leaf shape, but have since been species, flat, in is most elliptical the base of the blade. A smaller group of at mm plant and oblanceolate in outline, with The of while those of the surface of the tree, and both producing in x-section and Conchophyllum Bl., same at hirsute, in range stems lenticular leaves, along cm the upper surface of each blade. The leaves age least are or imbricata,, produce 4 distinct types of leaves. In are margins. surface of the ants. They succulent at stems, with flat appressed has shell-like leaves which species base slender. the contain latex. Leaves. There on in mm longepedunculata for 5 spread e.g. D. leaves, latter of which grow down into the flat 4 the nodes and irregularly along the at dark, humid environment for the plant and long are c. Species types. restricted in their leaves. The leaves among the to and D. both roots and may convex are stems vadosa tomentose. have 2 nummularia,produce roots D. MORPHOLOGY have smooth, species astephana, Dischidia in mm 83 Malayan species of Dischidia the raceme occur on is a simple single but in the are some it is in D. peduncle BLUMEA 84 The to c. borne or of the peduncle 10 long cm in D. the erect at varies in raceme and D. complex with the nodes, VOL. - 26. length 1. no. 1980 from nearly In longepedunculata. of the flowers apices in both D. hirsuta and D. punctata the upward. However, Flower. The flower is 5-merous and and often has small, either narrowly throat, or are broadly, or and the species, in the gland a held and afford straight, Broadly urceolate corollas strongly reflexed corolla lobes and little easily with orbicular convex The outer astephana, D. muricate, surface and in inner D. red or throat. The of the vesture on corolla Seven of these latter six the hairs borne either both the lobes and the glabrous lobes, a pubescent throat, an host of the is species colonies of to and few a lobal and throat pubescent only villous sparsely Three erect. or D. single species, a have ones. nearly glabrous within, are D. have species lobes; full to In glabrous. surface of the throat red none or horizontally and and all have outside. Most varies from throat, two and outer and six lobes, species the gynostegium greenish-yellow from entirely are the with have varies species smooth often species two that all but puberulous are most exposing lobes. rhodantha, corollas, The vesture. commonly are generally the inner surface of the on vesture with hirsute, pubescent the lobes and noteworthy in occur Malayan species, inner no between the corolla is yellow corollas, pubescence (see Fig. 2). pubescent only the major white predominantly The of or calyx fleshy and, into the corolla tube. opening meager which species openings D. punctata, and D. hirsuta, predominantly i.e. leaves, narrowest a reflexed, The 1). reflexed, thereby four of the only visible through the wide throat. It is ants, have the is occur in only is peduncle urceolate corollas strongly is downward. of the lobes. The corolla is Narrowly either are peduncle horizontally radially symmetrical (see Fig. angles urceolate. corolla lobes or bengalensis the either pointing and the apices of the flowers point either horizontally is absent in D. most cases six are on the densely to species are hirsuta, has additional ring of patent hairs between the base of the corolla and the throat. The corolline species which distinct lobes corona have on occurs convex the in or long, bifid lobes it pitcher occurs leaves, as and downward like major an all it the leaves are occurs annulus. as All located stalked, and have 2 incurved parallel Fig. 1 to the stamens, and or are not away. — b. top pollinium (D. subulata). is corona very well into the and immediately with 5 developed, chamber. gynostegial five small lobes and in D. cochleata and D. have species by lend themselves directly those consists of five annulus in the inner throat of the an stalagtites coronas. ants. convex In to D. orbicular parvifolia, occurs colonization as by or D. distinct ants. The staminal corona is composed behind each stamen. These They reflexed lobes at the apex. often referred to in the literature as A representative flower of the genus Dischidia corolla cut with, in mostly commonly in which the corolline corona also flat and do appendages, as colonized Most Dischidias have similar staminal of hyaline Malayan species, leaves. It of these regularly are singaporensis , and D. superba, lobes, occur the corolline astephana projected In D. imbricata and D. albiflora pitcher, inner surface of the corolla alternate below, the corolla lobes. It may also corolla tube. In D. of the 1/3 c. orbicular, (D. nummularia). — view with the upper corolla cut away. c. — a. are appendages generally are borne anchor-shaped. Side view with median sectional view. part — of the d. twin- R. E. Rintz: The Peninsular Malayan speeies of Dischidia 85 BLUMEA 86 Fig. 2. Corolla and corolla vesture types in - VOL. the 26, no. 1. Malayan species 1980 of Dischidia. R. E. The e.g. this rhodantha, D. Malayan speeies of Dischidia Peninsular is appendage below each coronal Immediately species, Rintz: is gland which gland a knob pubescent a 87 In secrets nectar. a few below each coronal just appendage. unusual staminal Several coronas Dischidia. In D. vadosa the coronal and apex, appendages short-stalked and are D. parvifolia there are The anther developed There are difference in are in Less the commonly, but corpuscle, of Follicle. There an four in D. albida and many acute apex. The color is others the follicle is color is c. c. 7 golden yellow x c x 1 cm, The anther and is in color. In c. shade of are Germination is comose. and 0.2 — 0.5 red. or to major the broadly triangular longer than commonest type or 3 c. deep terete, and with cm, In D. blunt apex. The 0.5 x and three major a half-terete cm, red. In D. in x-section, and with species of Dischidia the species, most of follicle. The green flat bottom. to and three others it is both D. cochleata and D. parvifolia it is held The seeds In either shorter x the A notable broad, a Malayan Dischidias, are to the well very small. are corpuscle 6— 10 due to gynostegium. caudicles. apex. The coloris green most and corona, This is reniform in x-section, and with deeply triangular cm, of the the caudicles astephana an acute bifid coronal D. imbricata, and developed shape. wings in the of the length a the is short-truncate, with distinguishable types usually shallowly the anthers, and the base of the at length others, a superba astephana, in by uniform width from top 0.5 green. In D. usually in x-section, and with follicle is 5 conical twin-pollinium however, nearly are out twice the approximately with D. of a well enclosed gynostegium and shape In D. place generally the anthers. by basic forms of two being caudicles occurs is In stamens. classified under currently spatulate all. usually entirely which flare wings covered stigma closely shape. is at corona is D. vadosa in which the exception the which stigma, no species are saddle-shaped. in Dischidia gynostegium conical the to smallbifid lobes in only has longepedunculata D. perpendicular borne are in occur appendages superba acute an the follicle is held pendant, the It is apex. but in erect. with rapid no apparent resting period. POLLINATION Pollination in Dischidia formed and by the anther color of the flowers urceolate corolla with ideally suited seem so a placed filiform it could to the its moths suggest often and/or proboscis in a were corpuscle on wings, and so not the vectors. as structure The but to facilitate the the up stroke, and pull twin-pollinium a a passage probing is of manner, twin-pollinium free. into the groove formed the flower. It follows that the flowers pollinate pale inner surface, the stiff lobal and throat hairs inserted into the corolla in a into the groove observed, butterflies hinder the entry of small insects, If the easily lodge the anther twin-pollinium was mouth, and pubescent narrow Another down and up motion could insert by a lepidopterous proboscis. Indeed, to as object. the insertion of requires wings. Although pollination are self- pollinated. Dischidia flowers are vectors This of theory, pollinia. Any the length are frequently pollination (Ong however, ant small of the visited Siew overlooks the enough to twin-pollinia. by Ling, size negotiate It is ants, and this has led Master's Thesis, relationship to claims that between ants within the flower would be unlikely that such ants 1974, Univ. of Malaya). an ant c. could and 3 x twinor less accidently 88 - BLUMEA dislodge insert a would Dischidia in require 1 over 1. no. long as as same insect. larger huts for and /3 of the wings much a moth-proof both flowers though 1 firmly-held twin-pollinium it between the anther process VOL. 26. 1980 itself, or might I and proceed to add that I grew year without their accidently flower. Such neighbouring setting 12 species a of single fruit, a abundant. ants were TAXONOMY The of this scope actually disparate a Dischidia pollinium. similar to that in D. twin-pollinia is and twin-pollinia, D. punctata, Section of follicles is Conchophyllum D. albida, pollinia, D. are very same natural D. to some or Conchophyllum, D. to this group by corona peduncles, corollas, leaves discontinuity of staminal a longepedunculata, no doubt in structure similaritiesin of 4 a and as to the in staminal coronal species, D. all of which have flat delimiting gynostegia, hirsuta, D. leaves. ovate tenable. with scortechinii form natural Dischidia acutifolia identical flowers and nearly have similar holds for D. minor and D. seem in relationships apparent. closely related, which parvifolia distinct for very leaves, and related is linked singaporensis, longer monticola and D. and the in section longepedunculata major sections, but have convex-orbicular with 2 different forms of twin- similarity insignificance a D. There are several othernatural fruticulosa The and D. Dischidia no closely while their total the to and more of the which has pitcher structures. species. rhodantha, which complex indicative revision a species containing species actually relationship, between relationships is , between D. closeness of their characters group complex, both of these species lacking made. The commonly placed together are major. small for too was were and which pitcher leaves, are study observations interesting bengalensis, pairs. The and gynostegia and for D. remaining and D. twin-pollinia; twin- albiflora and species are too speculation. GEOGRAPHY The known distributions of the Malayan species of Dischidia vague, due to unresolved synonomy and insufficient collecting. distributions Malaya are in presented are endemic. Of the Sumatra. Java has 13, and ramaining species in common with east Malaya, Some leaves b. All leaves 2a. flat or in species occurring occur common of these 2 areas. with Malaya, and the India-Assam has only and New Guinea-Australia 4. THE SPECIES 2 lenticular 3 4. 14. D. D. major complex 4 convex or within in Borneo and 11 in lanceolate-ovate b. Pitcher leaves orbicular b. Leaves flat west 23 13 also approximate pitcher-shaped convex, Pitcher leaves 3a. Leaves of the species, species and KEY TO la. Eight 17 Thailand 9 numbers decrease rapidly both 5 Table 2. somewhat are Their lenticular 8 R. E. Rintz: The Peninsular §X® \VvV\- Ai>> \ \vV wx <0 A X^VO-Van \<S> Malayan species of ys> \<S> yi.\< \ <s> \V \ D \ \o \ \V x* 1x ( V V \®* \o 89 Dischidia ® o\ \ V X \®a x \ X acutifolia D. albida D. albiflora D. astephana D. bengalensis D. X A X o o o o o o o o o o o o o o o o o cochleata o o o o D. complex o D. fruticulosa o D. hirsuta D. imbricata D. longepedunculata D. major D. subulata D. nummularia D. parvi folia D. punctata o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o 11 13 8 6 6 4 4 o o o o o o o o o o o rhodantha o D. scortechinii D. singaporensis D. superba D. tomentella D. tubuliflora o D. vadosa o Total: o o o o o o o D. \ V V <S> D. \® o o o 5 5 Table 9 2 o 23 BLUMEA 90 4a. Plant b. Plant 5a. hirsute, than b. Peduncles 7a. 10 Peduncles less Corolla lobes b. Corolla lobes 8a. Leaves 1 b. Leaves 10a. b. 1 la. b. 1. 1980 5 1 6 2. long cm 13. long cm 3 — 7 1/4—1/3 as long as the tube 1/2 as long as the tube 2/3 — 1. D. cochleata 9. 9 10 19 long cm 6. retuse D. rhodantha acute 11 12 Peduncles 13 erect b. Plant 8. glabrous 13a. Pedicels 7—10 Pedicels 2 — 3 7. c. 3>x 2.5 mm b! Corolla c. 2x4.5 mm Internodes 16a. Plant b. Plant 14 15 10. than 4 16 17. more b. Corolla 17 than less than 1 1 20. long cm 18 long cm 19. b. Corolla ovoid b. Leaves 20a. Leaves more b. Leaves 5. c. elliptical 3 or as b. Peduncles more 22a. Corolla lobes b. Corolla lobes x long as than as wide . . Dischidia Bl., . 21b. D. acutifolia cm or — Bijdr. (1826) 1060; Mus. D. subulata reflexed 23 21a. Fig. superba 22 12. D. acutifolia ssp. acutifolia visible above cochleata Bl. D. long not klossii 21 23. long reflexed partially ssp. wide cm 1 strongly not singaporensis D. scortechinii 20 long as Leaf veins visible above b. Leaf veins D. albida ovate than 4 x D. 18. Peduncles less than 0.5 D. cochleata D. dolichantha cylindrical 19a. Leaves lanceolate 1. D. tomentella glabrous 18a. Corolla 23a. D. vadosa D. nummularia long cm tomentose 17a. Corolla 21a. parvifolia D. 11. 16. long cm more D. punctata long mm 15a. Internodes 1 —3 D. hirsuta long mm 14a. Corolla b. bengalensis lanceolate or 12a. Plant hirsute b. D. albiflora D. Peduncles reflexed Apex of leaf D. imbricata long than 3 more 3. 15. elliptical, astephana longepedunculata long cm cm Apex of leaf D. D. long cm Leaves oblanceolate b. Leaves ovate, 9a. no. when young than 0.8 1 —4 VOL. 26, all stages at Peduncles less b. Peduncles 56a. least at glabrous - 22. D. fruticulosa 3. Bot. Lugd. Bat. 1 (1850) 148, f. 27. — T y p e : Java, Blume 1692 (L). D. coccinea (M.V.). Griff., Notul. 4(1854) 192;Icon. PI. As. 3(1854)t. 409. — Type: Malaya, Malacca, Griffith R. Stem 1.5 3x2 — Rintz: Roots glabrous. orbicular, E. glabrous, cm, conical projection. Inflorescence raceme simple; pedicels 3 inside, 4x3 — mm, 2 with with an the 1/2 and long, Corolla tube 1.5 c. Leaves a peduncle erect on glabrous. 2 incurved of the length Uncommon 2/3 of Notes. 7 flowered leaves. base with c. convex- long mm 0.5 long; cm entirely glabrous tube red long; mm 1 c. or orange, annulus in the throat of the tube. Corona appendages with lobes; stigma Follicle corpuscle. the to rare Peninsula; and Malaya, Java, Distribution. Sumatra, Ecology. Pahang, below; capitate a 2.5 c. x 0.4 apex. half- cm, erect. terete, green, southern beneath the to purple muricate lobes cordate apex and a Caudicles less than — mm erect lobes blue; corolline corona stalked 3 — 1 91 Malayan species of Dischidia restricted nodal, 3 — The Peninsular on seen in trees in once Borneo. lowland and hill forests from reported Selangor; in the Malacca, Singapore. Blume's type is without flowers, but his matches Griffith's drawing drawing exactly. 2. D. Dischidia astephana Scort. Malacca, Bujong Scort. astephana King ex & Gamble, Scortechini 1897 J. As. Hill, Stem and stricted ridged raceme leaves 13176 Bot. Jahrb. 40. c. 2 Leaves mm c. Corona dicles by Type: Malaya. Perak, (1908) 6. — Type: Malaya, with glabrous c. age. Roots 2.5 2.5 x 1 —4 flowered 2 on peduncle Corolla tube long, pubescent. mm erect c. a c. 5x1 ring shorter Perak, nodal, 2 c. than Follicle the corpuscle. mm 0.5 mm re- strongly cm, cm long to long long; with the base deep red, interspaced by deep blue; to of white hairs; corollinecorona of 5 recumbent, broadly spatulate and bilobed appendages narrow, — long, prominently 5-angled, narrowing abruptly dense a 92 convex-orbicular, of the lobes; angles and lobes yellow-orange throat closed 582. (1908) bullate above between the veins; base with Inflorescence simple; pedicels reflexed lobes Beibl. hirsute, often becoming purple below, projection. 2 Beng. 74, 4. (n.v.). beneath the leaves. to and conical Schlecliter Soc. Fig. — (n.v.). Conchophyllum angulatum Schltr., Engl. Maxwell's & Gamble. King ex 3 c. x 0.5 deeply at the bifid lobes. Cau- apex. half-terete, red, cm, pendent. Distribution. entire branches. Occurs on elevation for Dischidia in ants. 3. D. Often growing on trees in mountain forests, often the summit of Malaya. imbricata depressa Clarke K. D. Stem ex glabrous. orbicular, c. 2 Nomencl. Bijdr. (1826) King 1115 x Tahan in association with D. albida, D. (BL.) Steud., Maingay Gunong & ed. 1060. Gamble, II, — completely enclosing at c. 2200 The hollows beneath the leaves Dischidia imbricata (BL.) Steud. imbricatum Bl., D. and Borneo. Malaya Abundant Ecology. — 1 Fig. the highest inhabited by and D. vadosa. 5. (1840) 519; Type: Java, J. As. Soc. parvifolia m, are DC., Prod. 8 Blume Beng. 74, 2 s.n. (1844) 632. — Conchophyllum (L.). (1908) 582. — T y p e : Malaya, Malacca, (K). Roots 2.5 cm, nodal, deep restricted to red below with beneath the a green leaves. margin; Leaves base with a convexc. 1 mm 92 BLUMEA long conical 1 —2.5 tube 3x4 c. with mm lobes. minute lobes erect 2 c. mm 1980 1. 1—4 flowered often multi-fid; pedicels raceme with reflexed white 2 no. projection, glabrous. Inflorescence long; cm VOL. 26, - 2 c. mm erect on long, pale yellow; inside surface of lobes corolline corona of 5 shallow lobes. Corona hairs; Caudicles narrow, the 2x c. of the length peduncle long, glabrous. Corolla of appendages Follicle corpuscle. unknown. Distribution. NE. Rare Ecology. Wang Tangga, Notes. Kerr's in 4. D. Dischidia 460. D. rafflesiana clavata 4209 Wall.. PI. PI. As. As. Decne., merguiensis Becc., 2 (1878) Merr. Rar. Rar. 20686 Nouv. 2 Maingay's specimen matches my is also 12) — Collyris major Vahl, — 2 (1831) 35; Cat. Cat. (1831) (1831) Mus. 3 (1834) 377, — 264. (1886) own. The match. good a Skrift. 4208. 4209. — — Nat. Hist. Sels. 6 Type: Malaya, Koenig (BM). Attran Type: India, Bot. Centralbl. 34, t. 2 Roots nodal and nodes Leaves of two types: 92 (1908) flat-orbicular, 2 at 1 simple long or with bifid; pedicels erect lobes inside surface of lobes of 5 shallow incurved lobes. Caudicles Wallich R., Ecology. coastal Locally 3x1.5 The (n.v.). s.n. Type: Thursday Type: pitcher nodes 1 2 4 — 3 6 flowered mm cm, Celebes, apart; cm on produced appressed cm, erect (K). I., Bauer/en Kabetan hairs, appendages as those the long not I., 99 (B). Schlechter produced nodes 10 at leaves. pitcher — 15 cm the surface of the base truncate; both leaf 0.3 — 5 cm long; Corolla tube 6-8x3-4 striped yellow closing stalked with the as or at to peduncle long, puberulous. corpuscle. India, Burma, the a and green; throat; corolline cordate apex and 2 Follicle c. 5 x 0.5 cm, Ridl.. J. Str. Br. on large trees Indo-China, Thailand, Borneo, SuAustralia, and New Guinea. along clusters on the the coasts are commonly Ridl. R. As. Soc. Fig. and up branches. Gunong Ledang (Mt. Ophir), leaves singaporensis (SING). — — long, yellow-green mm common singaporensis s.n. — short white narrow, forming and abundant on m. 3 c. Corona NE. Dischidia Ridley 2. — ramifying throughout Java, Celebes, Philippines, mountains, Pangkor 800 Timor yellow-green, pendent. Distribution. Malaya, 2 c. with lobes. reniform in x-section, matra, Type: adventitious, spreading; — types puberulescent. Inflorescence corona — 11. — (1916) into and growing host, deep purple inside, produced raceme 17. Type: Burma, Mergui, Griffith apart; the other type pitcher-form, 6—12x2 D. at 6. 437. Bot. Jahrb. 40, Beibl. Beih. glabrescent. Stem 5. only seen (B). pitcher-bearing at 8 60, fig. t. Fig. — (1831) 36; Ann. Malesia 2 Schltr., Engl. pubiflora Schltr., mm coast; (K). D. bauerlenii D. west Type: Malaya, Koenig (C). Wall., D. timorensis D. (Malesia major (Vahl) — the flowers but matches well in all other respects. no major (Vahl) Merr., Interpr. Rumph. (1917) (1810) D. has BM of a flower from Beccari near but also recorded from Malacca. Blume's type at in lowland forests trees on Perlis, drawing drawing Ma- India, Burma, Indo-China, Thailand, Sumatra, and Borneo. laya, Java, inhabited where it by to 1000 Common grows on at m on Pulau the grass ants. 7. 61(1912) 31. — Type: Singapore. Changi Police Station, R. E. Stem 1.5 — 1 peduncle tube 1 x lobes. 2 — 5x3 c. lobes with 1.8 — mm Corona Cuudicles long; with long as Distribution. Rare In the s. o t e hairs, 3 — 4 — flat-ovate, Leaves 5 flowered cordate apex a erect on Corolla long, pubescent. mm the throat; corolline corona of 5 closing with 1 color unknown; inside surface of long, mm spreading. Inflorescence 93 and 2 narrow incurved lobes. Follicle unknown. corpuscle. Malaya in trees on known Singapore; original description, Ridley This Mandi, Singapore. the as acute. 1 c. not stalked appendages Ecology. N lobes erect adventitious, apex Dischidiu Malayan species of simple; pedicels raceme reflexed narrow, and glabrous; cm, cm short, The Peninsular Roots nodal glabrous. 2.5 Rintz: cites second is without flowers but specimen from the type location. only a from Bukit specimen definitely belongs to Hoya lacunosa Bl. Dischidia rhodantha Ridl. 6. D. rhodantha 31, D. non Ridley 2.5 — 1 tube c. 1.5 — 0.5 7x5 lobes — Roots pubescent 2 long; cm mm with inside; knob. Caudicles and Frazer's punctata Ridl., J. Str. Br. R.As. Soc. 61 mines (near Bukit (1912) Fraser), (Bl.) Type: Decne. in (Bl.) c. 2 2 x as 3 — mm 1 flat-ovate, Leaves 5 flowered on surface muricate, long; erect Corolla long, glabrous. mm recurved long — deep Corona appendages stalked with corona. apex and 2 as the outer lobes; base with corpuscle. s.n. in mountain forests; trees on probably throughout Decne. Follicle c. a 6x0.3 Fig. — Highlands Range. 9. (1844) 631. — 8 Cameron at the Main Leptostemma punctatum Bl., Bijdr. (1826) 1059. (L). 13 (1915)557. J. F. M. S. Mus. viridiflora Ridl., the and Prodr. DC., Java, Blunte reflexed lobes at 2 simple; pedicels coralline spreading. Inflorescence Malaya. D. joloensis Schltr., Fedde Rep. D. rosea pendent. Hill, Pahang, Dischidia punctata — D. adventitious, triangular, Occasional Ecology. D. 97. - retuse. apex no lobe phylliform and racemes partially Distribution. 7. nodal terete, reddish green, cm, (1918) Type: Malaya, Selangor, Sempang — glabrous; cm, pubescent incurved an R. As. Soc. 79 (1906). (SING). glabrous. x peduncle pink; J. Str. Br. Schltr. s.n. Stem 2 Ridl., rosea 8 Fig. — 10 Type: Philippines, Jolo — 146. (1920) — Type: Malaya, I., Mt. Merrill 5327 Dajo, Kelantan, Chaning. Ridley (B). s.n. (SING). D. punctatoides Bakh. Blumea f., 6 (1950) 377. — Type: Java, Doclers v. Leeuwen 8754 (L). Stem glabrous. Roots nodal and adventitious, spreading. Leaves flat-ovate, 2 x 1.2—1.5 peduncle tube c. 7 x c. 4 glabrous; cm, 0.5 cm mm long; with acute. apex raceme partially Inflorescence simple; pedicels reflexed lobes c. green with dark green stripes, turning yellow of no wide with the ring a patent white hairs; 1 corolline 2 3 c. mm — mm long; before corona. Follicle 6 —7 x 0.4 cm, reniform in flowered on long, pubescent. appendages triangular, x-section, Corolla yellow- inside of tube with Corona green, 2 x 3 — reflexed surface muricate, falling; smooth obtuse apex and 2 recurved lobes. Caudicles corpuscle. 5 as a stalked long as pendent. 94 BLUMEA Distribution. S. VOL. - 26. 1. no. 1980 and Thailand, Sumatra, Malaya, Java, Borneo, Philip- pines. Ecology. Locally recorded trees common on only from elsewhere in lowland and hill forests in Kelantan but Selangor; the probably occurring throughout Peninsula. Notes. one that 8. described his Ridley of the flowers from his type is a corona Dischidia D. hirsuta hirsuta in Java, Blume Decne. (Bl.) DC., D. brunoniana D. Mecklenburg, D. subpeltagira D. Prodr. 8 20650 Stem Beih. (1844) 632. pedicels c. with 2 small (1854) & 14620 Sch. — 44 Laut., — — Leptostemma hirsutum Bl., Decne. D. fasciculata (Bl.) Type: Nachtr. Bijdr. (1826) 1058. — in DC., Prodr. 8 (1844) Burma, Fl. Mergui, Griffith (n.v.) Deutsch. Sttdsee 356. (1905) — Type: Neu Type: New (B). & Nachtr. Fl. Laut., 14601 Bot. Centralbl. Deutsch. Stidsee (1905) 360. — (B). 2 34, Bot. Centralbl. Beih. (1916) 34,2(1916) hirsute when young, Roots 3 c. 3 1 12. Schlechter Type: Celebes, Minahassa, — 13. — T : e y p Celebes, Kuala Besar. Schlechter erect truncate long; of apex corpuscle. reflexed on surface angled; base and Follicle 2 c. occasionally glabrous, Leaves incurved 0.5 x one just c. c. 0.8 6x5 muricate; long; lobes, reflexed throat; lobes. cm, Caudicles reniform in triangular, 1.5 x as long on 5 a the as x-section, green, pendent. Malaya, Celebes and New Guinea. Common Ecology. forests and inside pink; the other in the Distribution. Burma, Indo-China, Thailand, Borneo, Sumatra, Java, Philippines, 2.5 simple; raceme partially lobes — recurved. margins with deep red; tube below the cm mm 1.5 flat-ovate, of the corolla lobes. Corona appendages stalked with angles 6 peduncle Corolla tube glabrous. up-curved hairs, lobes in the and so, spreading. both surfaces when young; apex acute; on long, less becoming adventitious, 5 flowered — mm mm rings nodal and hirsute cm, Inflorescence iobes 4 Schlechter Mts., Schltr., densely 1.5 — showed (B). with age. 1 dissection of (B). D. verruculosa x a 3,1951:48) (L). Sch. in K. Schltr. pulchella Schltr., 20636 K. Schlechter Torricelli Guinea, Notul. Griff., Schltr. in euryloma corona, but a Fl. Siam. En. (L). s.n. Java, Blume Type: — lacking 10. Fig. — Leptostemmafasciculatum Bl., Bijdr. (1826) 1058; 632. as (in Craib, Kerr definitely present. (Bl.) Decne, Type: specimen by the Peninsula throughout limestone hills. The on comparatively large trees in lowland and and vivid flowers are hill very striking. 9. D. D. Dischidia albiflora Griff. albiflora Griff., Notul. collyris Wall.,PI. Wallich 4207 D. borneensis (not Becc., Malesia 793 Stem glabrous, conical (1854) 47. 11. Fig. — Type: Malaya, Malacca, Tabong, Griffith (1831)37; Cat. (1831) 4207 (nomen). — T y p e 3779 : India, Assam, (K). Attran R., K). at Beccari orbicular, 4 As. Rar. 2 — 2 (1886) 262, t. 60, fig. 7-12. — Type: Borneo, Sarawak, Kuching, (n.v.). Roots nodal, restricted 1—2x2 — 2.5 cm, glabrous, projection. Inflorescence 1 — 5 to beneath the purple below; flowered on leaves. Leaves base erect with peduncle a 2 c. — 1 5 convex- mm mm long long; R. Rintz: simple; pedicels raceme lobes E. 2 c. corolline 2 triangular, long as x an Distribution. NE. Rare Ecology. 10. D. Dischidia J. F. M. Robinson Stem ovate, peduncle tube c. 2 2 2.5 x x 0.3 c. cm, cm long; Mus. 5 glabrous; 2 x long as Distribution. 11. Pain, Tahan. When Stem ovate, Rintz, Rintz peduncle tube c. 1.5 x inside with Corona x 1 mm 10 c. 1 mm with Follicle lenticularerect on Corolla long, glabrous. pink lobes, entirely of 3 appendages sparsely pubescent lobe; stigma corpuscle. or 6 flowered Corona ridges. a — white with long, narrow knob between bulbous apex. Caudicles a c. 5 x 0.3 not the Peninsula throughout Cameron in bloom this (1979) 225, fig. glabrous; long; mm 3. — cm, terete, on trees in pale species can be moun- and Highlands, Genting Highlands, on confused with D. easily Type: Malaya, Pahang, Bukit Frazer, apex raceme spreading. Inflorescence acute. simple; pedicels with reflexed lobes c. 1 mm with shallowly cm, Bukit Pokok c. 8 mm long; bifid Leaves flat 1 or lenticular- 6 flowered — long, pubescent. with the lobes white glabrous; apex, no borne corolline on to 2 x as pink, corona. perpendicular broad-triangular, erect Corolla long to as the the half-terete, red, pendent. Malaya. Endemic, and locally Highlands not a broad and fiat. Caudicles very Distribution. and, when 1 c. of 5 common Follicle 2.5-3 x0.5 Ecology. Cameron and Borneo. Leaves flat Inflorescence acute. few hairs below each lobe, otherwise stigma corpuscle. Malaya, adventitious, spreading. the as Hill, appendages spatulate stamens; («.v.). cm Type: Malaya, Selangor, Gunong Mengkuang Roots nodal and adventitious, cm, cm 4.5 a 0.5 (L). 0.4 c. x Rintz. Blumea 25 130 1.5 Corona vadosa. glabrous. c. tube. Malaya. Maxwell's Dischidia vadosa D. vadosa the erect. Endemic and at albida and D. — the base of each stamen, with at Ecology. Gunong 41. apex corona green with red spots, borne forests; throat of erect throat coasts. simple; pedicels raceme corolline broad-triangular, tain (1914) with 12. Fig. lobes and below the central outer the Follicle 5 —6 the with reflexed lobes mm lobes truncate — Roots nodal and 0.8 inside; glabrous the 2 — S. in India, Burma, Thailand, Ridl. mm apex and incurved lobes. Caudicles broad- corpuscle. along 2x4 c. pink lobes, entirely glabrous inside; annulus an 95 (n.v.). glabrous. 1.5 of trees on parvifolia parvifolia Ridl., Lebah, with emarginate the as Corolla tube long, glabrous. mm corona with appendages stalked, Malayan species of Dischidia Peninsular long, pale yellow mm constricted; 2 c. The and in bloom, Frazer's easily common Hill. on Commonly trees in mountain forests associated with confused with D. albida and D. D. at astephana parvifolia. BLUMEA 96 12. VOL. 26. - 1980 1. no. Dischidia subulata Warb For Stem under the subspecies. see synonomy, Roots nodal and glabrous. 7x2 3 elliptical, 5 midvein. Inflorescence — — mostly bifid; pedicels with reflexed puberulous iowly dentate Caudicles and 2 short green with pale long, mm corolline the x Common in occurring only the x 0.5 — 4 with pink or Corona 3 — 5 parallel long; cm 7 mm or c. cream appendages x raceme 2.5 mm, pink or with stalked, or the to lobes, a shal- length of the 8-10x0.3 corpuscle. Follicle red, pendent. Distribution. Sumatra and Ecology. 5 — of veins reflexed lobes; base with a pubescent knob. narrow 2.5 c. cream corona. pair a peduncle erect on Corolla tube 3 long. Leaves flat-ovate adventitious, spreading. with apex acute, flowered mm 3 c. no apex 3 broad-triangular, terete, cm, 1 —8 c. lobes inside; glabrous; cm, trees on understory Malaya. in mountain forests and in not the throughout the Peninsula; crowns of the trees. KEY TO THE SUBSPECIES la. Corolla tube 3 b. Corolla tube subulata subsp. a. D. subulata Warb., D. monticola King 7 & D. ericaeflora1 Ridl., Kloss angustata. J. As. Soc. Type: Sumatra, 2 591. Caulfield's Hill, Beng. 74, (1908) 2 (1908) Forbes 2548c in (iso K). Ulu Syntypes: Malaya,Perak, — Hill, Scortechini 423 590. —T ype: (K). Malaya, Perak, Maxwell's 10(1920) 146;non Beccari (1886) — T y p e : Malaya, Kedah, Gunong (K). dentations, lobes — 5 3 x or — 4 pink very short. mm long lobes. with reflexed lobes Apex of corona Caudicles with c. 3 appendages mm long, with 3 hook-like appendage a or on cream or 4 shallow the lower margins. Distribution Ecology. Gunong Notes. There is cream or subsp. a lands, are pink Sumatra and Malaya. Maxwell's Hill and on some entirely at Genting Highlands; also on with variation in the color of the corolla. On Maxwell's Hill cream pink colored, subulata et caudieulis Tanah Rata Corolla tube c. colored. Corona at tubo corollae nov. longo et absque appendiculis 4700', October 8, 7x2.5 while on Genting Highlands the tubes are lobes. angustata Rintz, subsp. subsp. longioris . Common Tahan. the corollas Differt 345. — Beng. 74, Maxwell's (K); F. M. S. Mus. s.n. with either cream inside subulata. subsp. subsp. (K). Corolla tube 3 pink (1907) J. As. Soc. 1503 a. b. 13. 3 Rep. mm mm Fig. — Gamble, Scortechini 424 Bintang, b. 2.5 cordifolia King& Gamble, Hill, 3 —4 x x Fedde Batang Padang, Wray D. 5 — c. mm appendages — Fig. 14. angusto; apice curvis. 1963, W. — L. Chew with reflexed lobes with the apex coronae uni-dentato, lobis Typus: Malaya, Pahang, c. 873 3 2plo coronae Cameron High- (L). mm long, mucronulate, tube and lobes lobes twice as cream long as in R. E. Rintz: subulata. Caudicles without ssp. Distribution. Notes. The 13. Dischidia refers Stem and J. Str. Br. base with tube 1—2 a 10 to c. 3x5 c. leaves mm Corona corona. of the long; often Distribution. margins. location. type corolla tube. narrow Soc. 61 15. — 32. (913) T y p e : Malaya, Selangor, Sempang with becoming glabrous convex-orbicular, projection. 1.5 c. 2 c. 3 c. mm 2.5 — not 7 c. x Caudicles 0.4 cm, re- purple below; flowered lobes glabrous; Corolla inside pink; corolline no broad-triangular, c. erect on long, pubescent. long, pale yellow, mm present. Follicle 4 nodal, Roots age. x 1 Inflorescence bifid; pedicels raceme appendages corpuscle. 2.5 the x pendent. cm, Malaya. Endemic and Ecology. the lower inside on the base of the corolla lobes, otherwise at 97 (K). with reflexed lobes sparsely pubescent length R. As. conical mm cm appendage Ridl. — Fig. 15927 hirsute, the the beneath the leaves. Leaves to peduncle to longepedunculata Mines, Semangkok Pass, Ridley stricted Malayan species of Dischidia hooklike a from only epithet longepedunculata Ridl., Peninsular Malaya. Known Ecology. D. The rare on in mountain forests in trees Selangor and Pahang. 14. D. D. Dischidia complex Griff., shelfordii Stem Griff. complex Notul. 4 nodes Leaves of 2 types: acute; the nodal and c. raceme c. 1 corolla lobes, with emarginate as long as the Rare recorded Dischidia bengalensis Colebr., D. spatulata Bl., Follicle Malaya on most trees cm, Trans. Bijdr. (1826) c. in Linn. Soc. — x 0.3 at on nodes erect at the c. a terete, cm cm, peduncle c. few hairs Corona corona. 6 produced pitcher nodes 3 Corolla tube Caudicles cm, to c. 1.5 at apart; apex often — x at leaves. with a 4 cm apart; 10 1.5 cm mm long; with the base of the appendages broad-triangular, stalked c. 1.5 x pendent. Borneo. lowland forests of from Johore and — Fig. 12 those 6x0.8—1.5 — inside with corolline 6 frequently 1060. 3 1—4 flowered no (K). Kuching, Shelfords.n. (K). spreading, produced orbicular, and bengalensis Colebr. D. 0.8 x long, glabrous. mm glabrous; corpuscle. Borneo, Sarawak. ramifying throughout, apex and 2 recurved lobes. Distribution. 15. 1 : ype adventitious, long, pale yellow, mm otherwise Ecology. Peninsula; c. T deep purple inside, produced glabrous. Inflorescence simple; pedicels reflexed lobes an 1.2 — and pitcher-form, second smaller pitcher inside, both types Type: Malaya, Malacca, Griffith growing into, flat-ovate, other type — 17(1903)617. Roots glabrous. pitcher-bearing 50. (1854) Pearson. Ann. Bot. 16 Fig. — the southern half of the Singapore. 17. (1817) 357, Type: Java, t. 15. Blume — s.n. Type: India, (L). Silhet (n.v.). 98 D. BLUMEA D. PI. cuneifolia Wall., Wallich 4206 littoralis As. Schltr. in loeseneriana Schlechler Stem 2 —3 x K. Schltr., 15960 0.6 — with obtuse Beih. Centralbl. to with 1.75 c. long, pale yellow with x retuse a long as D. nummularia R. minor 67. Skrift. Vahl, — T y p orbicularis Decne. in in beiningiana Schltr., Pommern. E. : e gaudichaudiiDecne. Nat. Tamara in ridleyana schumanniana Guinea, Dun D. Dorfu 13327 D. Laut., 13669 Bongu, Phil. iso in pilose lobes. 7 - bifid partially inside. Corona Caudicles broad- 0.3 x with pale terete, cm, Ma- Thailand, Sumatra, the Peninsula from sealevel along the coasts, on 1700 to c. limestone hills and 18. (1810)461. — Type: Australia, Queensland, Endeavor Herb. minor, Rumph., 8 (1810) 111; s.n. 632. 632. — 176, t. f. (Vahl) Merr., Lignan Fl. Gaudichaud Type: Timor, Timor Type: — Nachtr. 13686 D. minor — (1747) 472, R., 1.] Sci. J. 13 (C). (1844) Laut., Amb. 5 Deutsch. (n.v.). (n.v.) Siidsee — 356. (1905) Type: Neu (B). Nachtr. Fl. Deutsch. Siidsee 356. (1905) Type: — New Guinea, (B). Laut., Nachtr. Fl. Deutsch. Siidsee (1905) 358. — J. Laut., Schlechler Nachtr. Fl. Deutsch. 14291 Sci., Suppl. 1 Bot. Jahrb. 40, Siidsee Type: Singapore, (1905) 360. — Type: New (B). (1906) 298. Type: Philippines, Mindanao, — Davao K). Beibl. 92 10. (1908) — Type: Borneo, Samarinda, (B). Schltr., Engl. Bot. Jahrb. sepikana Schltr., Engl. Schlechler 50(1913) Bot. Jahrb. 19962 Beih. actephila Schltr., 20647 Follicle 5 mm round or 100. — T y p e : New Guinea, Keneyia, Eitape, Schlechler (B). (Sepic R.), D. base of lobes 2 recurved 4 x simple Bismarck Arch. Fig. — (1844) Schlechler microphylla Schltr., Engl. Schlechler 18428 3 c. Burma, Indo-China, Sels. 6 8 Schltr. in K. Sch. & copelandii Schltr., D. aemula and becoming (B). Copeland 512 (B, D. Prodr. Schltr. in K. Sch. & s.n. Hist. K. Sch. & Schlechler I., lactea Prodr. DC., DC., Beiningbargu, Schlechler D. Neu oblanceolate, Leaves flowered sessile Corolla tube white; or abundant Indies, Koenig D. dirhiza Schltr. in K. Sch. & D. Type: Type: Sumatra, Gunong Merapi. — 6 - throughout trees Prodr. Fl. Nov. Hoi. Br., (BM). [Nummularia s.n. D. D. R., in dense forest. common D. D. 1 a corpuscle. New Guinea, and Dischidia nummularia R. Br. (1939) 359. (1905) apex when young, retuse apex the as Common on less rocky ridges; Collyris 10. (1916) long, puberulous. Gunong Tahan; locally Banks Siidsee — pale brown, pendent. Ecology. 16. Deutsch. adventitious, spreading. with Distribution. NE. India, on 34 Inflorescence age. mm mm laya, Borneo, Java, m Attran Type: India, Assam, (B). glabrous, flat, stalked triangular, green Bot. Fl. Nachtr. Laut., 13722 2-3 2 c. & Roots nodal and apex reflexed lobes appendages Sch. Schlechler cm, pedicels raceme; — 4206. (1831) (B). glabrous. 0.4 36; Cat. (1831) 1980 1, no. (K). Pommern, Massaura, D. 2 Rar. VOL. 26. - Bot. 50 (1913) 98. — T y p e : New Guinea, Kaiserin-Augusta Fluss (B). Centralb. 34, 2 (1916) 5. — Type: Celebes, Kuala Besar, Schlechler (B). decipiens Schltr., Beih. Bot. Centralb. 34,2 (1916) 8. — T y p e : Celebes, Tondano,Schlechler 20588 (B). Stem ovate, glabrous. c. peduncle 1 x c. 0.8 3 Roots nodaland cm, mm glabrous; long; adventitious, spreading. apex raceme mucronate. Leaves flat Inflorescence simple; pedicels 1 — 2 mm or lenticular- 1—5 flowered long, glabrous. on erect Corolla R. E. Rintz: tube 2 with as 3x2 — of hairs ring a retuse long 3 mm lobes; no — inside with long, white, mm corolline corona. Corona lobes. Caudicles spatulate corpuscle. Follicle 2 2 — 2.5x0.4 cm, 99 Dischidia Malayan species of with reflexed lobes 1 the base of the apex and 2 recurved the as — at The Peninsular a sparse stalked appendages broad-triangular, reniform in x-section, pale 2 c. x green or yellow, pendent. Distribution. NE. Ecology. hill India, Burma, Indo-China, Java, Borneo, Philippines, laya, Very common forests, especially tations; not and the Malaya, in dense forest. the Probably in hills, most Notes. The taxonomic confusion within D. nummulariais leaves large Brown's on Javan and Malayan, Australian however, the fruits and plan- Dischidia in the genus. due probably appearance different an to the from the its lack of flowers. Flowers from to the essentially are same as on the types of the identical. are Elmer and D. glaucescens it give Philippine specimens, specimens, synonyms, and Both D. type, which and villages common widespread species within abundant and most the Peninsula, in lowland and limestone on Ma- Thailand, Sumatra, New Guinea and Australia. Moluccas, throughout on trees the coasts, along common Celebes, Schltr. pubicaulis are unpublished synonyms of D. nummularia. 17. D. Dischidia tomentella Ridl. tomentella 15225 Ridl., J. Str. Br. tomentose, often Stem 3 — 4 1 — 5 flowered 137. — Type: Malaya, Perlis, Corona corona. long as long the 1.2 erect on Rare Dischidia scortechinii D. scortechinii 543 King & Gamble, Stem glabrous. acute. lobes 2 cm mm Caudicles when young; apex long; raceme simple; with reflexed lobes hairs; no anther c. 2 corolline appendages broad-triangular, c. 1.5 Malaya. limestone hills in the & Gamble. — J. As. Soc. Roots — no 3 3 nodal 5 — mm 2 — 3 long, corolline x 1 Fig. Beng. 74,2(1908) long as the lowlands. 20. 592. — T y p e adventitious, : Malaya, Perak, white; Corona spreading. less commonly ovate, 1.5 erect on long, glabrous. creamy corona. corpuscle. and cm; 1 -5 flowered mm 2 short reflexed lobes; base of as on King Inflorescence simple; pedicels hairs; 1.5 2 Scortechini (K). commonly lanceolate, apex x — Follicle unknown. trees on tomentose cuneiform apex; a stigma. Distribution. Peninsular Thailand and Ecology. 18. Lagi, Ridley Bukit Roots nodal and adven- age. cm, peduncle 1.5 with column above the corpuscle. with 0.7 x throat closed with stiff white stalked appendages a glabrous c. Corolla tube c. 4 long, glabrous. mm attenuated into as (1911) becoming long, white, with pink lobes; mm 59 flat-ovate, Leaves Inflorescence pedicels x R. As. Soc. 19. Fig. (K). titious, spreading. acute. — peduncle Corolla tube lobes and throat appendages c. — 0.2— 1 5x3 pubescent stalked with Leaves 2x0.7 a cm mm flat, cm, long; raceme with reflexed inside with short broad obtuse apex and gynostegium pubescent. Caudicles triangular, Follicle 5 —6 x 0.3 cm, terete, pale most glabrous; green, pendent. c. 2 x BLUMEA 100 Distribution. in the D. albida 407 (1854) 2 common on trees in the 46. occurring only trees. 21. Fig. — in mountain forests; of the crowns Type: Malaya, Malacca, Toondook, Griffith — (1886) 266, 5 63, fig. t. — 6. Type: — 3781 (K). Borneo, Sarawak, Kuching (n.v.). Beih. Bot. Centralbl. Beih. semperflorens Schltr., 15873 34(1916)9. — T y p e : Celebes, Gunong Kaweng, Schlechter Centralbl. Bot. 34 12. (1916) Type: Sumatra, Padang Pandjang, — (B). lagenifera Ridl., J. F. M. S. Mus. D. fultonii Hend., Gard. Bull. S. S. 8 63. (1917) 4(1927) Type: Sumatra, Ridley — 51. — (K). s.n. Type: Malaya, Johore, Gunong Belumut, Holttum (SING). 10727 Stem Roots nodal and glabrous. 1.5 —2 ovate, peduncle with long; cm 4x2 c. glabrous; cm, 0.2-3 Corolla tube stalked, 1 x with short hairs mm 2 bifid; pedicels 2 c. glabrous; corolline x as long as the 2 c. with c. 6 a x on erect lobes pink lobes; Corona corona. Follicle lenticular long, glabrous. mm base with lobes; corpuscle. or 1—5 flowered long, white, mm no apex and 2 reflexed a muctonate c. lobes erect Inflorescence acute. often raceme with Leaves flat adventitious, spreading. apex otherwise inside, Caudicles triangular, green, 1980 1, no. (B). Schlechter D. 4 Malesia Becc., kawengica Schltr., 20597 D. Notul. Griff., kutchinensis Beccari D. not Dischidia albida Griff. 19. D. and understory 26. Malaya. Endemic and Ecology. VOL. - appendages pubescent 0.3 knob. cm, terete, pale most frequently pendent. Distribution. Sumatra, Ecology. encountered in Common Malaya, Borneo, mountain forests but also and Celebes. the throughout trees on Peninsula; occurring on limestone hills and on bamboo in the lowlands. 20. D. Dischidia dolichantha Lalah, D. dolichantha Schltr. Schltr., Engl. Schlechter tubuliflora King Scorlechini Stem peduncle c. 2 — Gamble, corona. long as long; Soc. raceme or corolline Beng. 92 (24-1-1908) 8. —T y p 74, 2 (20-XI-1908) 592. adventitious, spreading. apex acute. e : Sumatra, Tudragiri, S — Type: Malaya, Perak, white; corona. lobes the caudicles. triangular, Folicle c. 5 Distribution. Sumatra, Rare on trees in c. x 2 mm 0.3 as long cm, Malaya, 3 mm 1—5 flowered long, glabrous. often with throat closed appendages stalked, connate; x c. long, pubescent; Corona Leaves flat or lenticular- Inflorescence simple; pedicels lobes; stigma long Caudicles Ecology. Beibl. with reflexed lobes 3-4 apex and 2 reflexed the J. As. glabrous; cm, cm mm no Jahrb. 40, Roots nodal and base, pale pink swelling; Bot. (B). (K). 3x1 0.3—1 12x3 from the the & glabrous. lanceolate, tube 465b 13261 22. Fig. — swelling 2/3 a with erect Corolla ring a up of hairs at broad obtuse gynostegium long pedicellate below as the terete, and a by on corpuscle; pollinia narrow, pendent. Borneo mountain forests of Pahang and Perak. as R. 21. Rintz: Dischidia acutifolia For synonomy Stem 3 — 8 1 peduncle erect Corolla tube pink lobes, Corona dicles 0.2 with pale apex a green x reflexed lobes 1 c. mm mm long as no ovate or 1—5 flowered long, with long, yellow corolline corona. gynostegium pedicellate. the as on glabrous. Follicle corpuscle. Cau- 3 -5-6 pale yellow, pendent. to Distribution. Thailand, I c. the base of the lobes; reniform apex; 1.3 c. at pedicels flat, Leaves Inflorescence acute. simple; partially of hairs ring triangular, terete, cm, a adventitious, spreading. raceme with mm 101 Hooker f. ex glabrous; cm, stalked appendages 0.3 2 x Dischidia Malayan species of subspecies. long; cm inside with narrowly — Maingay 3.5 — 3 — 2.5 c. Peninsular Roots nodal and 0.4 x The under the see glabrous. elliptical, x E. Sumatra, Java, Malaya, and Philippines, Ce- lebes. KEY TO la. Leaves 5 b. Leaves 3 subsp. a. D. — — 8 x 5 x D. 1122 acutifolia. subsp. klossii. Ind. 4 Fl. Brit. (1883) — 51. Type: Malaya, Malacca, Maingay (K). zollingeri Schltr., Engl. brachystele Schltr., Bot. Fedde Jahrb. 13 Rep. 40, Beibl. 92 555. (1915) — 11. (1908) Type: Java, Zollinger Type: Philippines, Luzon, — Bataan, 2490 (B). Lamao R., (B). hoyoides Schltr., D. subsp. b. 23. Hooker/., D. s.n. a. cm Fig. — ex D. Merrill cm 0.4 —0.8 acutifolia. acutifolia Maingay K. 2 —3 THE SUBSPECIES Beih. Bot. Centralbl. 2 34, (1916) 9. — T y p e Celebes, : Toli-Toli, Schlechter 20695 (B). pedunculata D. Schlechter Leaves Schltr., 15884 Beih. Bot. Centralbl. 34, 2 10. (1916) Type: — Sumatra, Tambangan, (B). ovate or elliptical, 5 —8 x 2 —3.5 Distribution.Thailand, Sumatra, cm. Follicle c. 6 x 0.3 cm. Malaya, Java, Borneo, Philippines, and Celebes. Ecology. Common on trees and bamboo in Peninsula; occurring only in the understory and b. D. subsp. lancifolia Siam. En. Leaves klossii 3 (1951) 46. elliptical, — 3 Selangor, 22. D. but Dischidia — s.n. 5 x 0.4 — — 0.8 cm. Merrill, 1918; — Kloss 6721 Follicle on and trees c. (K). J. Str. Br. R. As. Soc. Fig. 79 throughout crowns D. klossii of the the trees. (Ridl.) Kerr in Craib, Fl. only in (K). 3.5 x0.2 cm. Malaya. bamboo in probably elsewhere; occurring only fruticulosa Ridl. — lowlands in the 23. Fig. Peninsular Thailand and Occasional fruticulosa Ridl., Robinson 10(1920) nov. 102 ,non Type: Thailand, Mamoh, Distribution. Ecology. comb. (Ridl.) Rintz, Ridl., J. F. M. S. Mus. the not the in the lowlands; seen understory. 24. (1918) 96. — Type: Malaya, Perak, Gunong Kerbau, 102 BLUMEA Stem 5 — 3 — acute. apex 1 c. 1 Inflorescence mm 2 c. lobes with short hairs, throat with with rowly triangular, 2/3 c. Distribution. 800 c. 23. long as as trees on the trail along to 5 6x3 — throat closed the ring shaped; 2 c. by a of hairs. stigma corpuscle. mm ring 1 and — with r. 2 — T with long erect corolline corona. Corona c. 6 x 0.4 Caudicles terete, cm, Pandang Jeriau, at c. 500 nar- pale Frazer's Hill m. 7x1 5 flowered 5-angled, appendage hairs; white; x 4 on 0.3 c. mm the same long; cm inside of lobes short-stalked with the narrow, in x-section, apex c. or plant; raceme with reflexed lobes pubescent, corolline corona of 5 lobes Caudicles (L). just broadly 1/4 as below saddle- long as the golden yellow, pendent. Malaya. Endemic and local Selangor; probably pubescens Ridl., to cream 4 c. Rintz 71 Leaves flat-obovate oppositely peduncle erect on or Corolla tube triangular cm, Malaya, Selangor, Sungai Langat, alternately bulbous apex. a ype: on trees J. Str. Br. in the lowlands and hills of Kelantan, elsewhere. DOUBTFUL Dischidia at Tahan adventitious, spreading. of patent white Distribution. 1. no Follicle in hill forests; Gunong long, glabrous. Corona Follicle Ecology. Pahang hairs; corpuscle. borne glabrous, base of tube long; mm cm, Inflorescence acute. simple; pedicels 3 Roots nodal and glabrous. elliptical, c. mm Rintz. superba D. superba Rintz, Blumea25(1979)229,fig. apex 2.5 plant; raceme Malaya. Occasional and m Dischidia Stem x same long; cm gynostegium pedicellate. apex; the 3 c. 2 — flat-elliptical, the on red throat and lobes; inside of deep of short ring a a 0.5 peduncle Corolla tube white, with sagittate a Leaves oppositely or red, pendent. or Ecology. at or erect on long, glabrous. mm 1980 1, no. alternately 5 flowered long, pale yellow appendages stalked, green — 26. adventitious, spreading. borne both glabrous, cm, simple; pedicels lobes Roots nodal and glabrous. 7x2 VOL. - R. As. Soc. 57 SPECIES (1910) 71. Type: Malaya, Perak, Temengoh Woods, Ridley (n.v.). I could not find any herbarium Pahang which fits the material of this plant, but I did find description vegetatively. I grew a it but could living specimen not get it to in T aman Negara, bloom. ACKNOWLEDGEMENTS My her sincerest thanks go to Mrs. Zaleha Christine generosity in Director of the herbaria I visited tolerance of allowing me time Rijksherbarium, for my very for financial their interest Alang, and funds for and former Head of the Biology Dept. at UPM, of the field to assistance to work assistance; strange occupation. some and to my at work; B, BM, Prof. Dr. C. and K; to the neighbours at Serdang for Kalkman, staffs at the for their amused R. E. Rintz: EXPLANATION 3. Dischidia Fig. — d. cochleata gynostegium from with the corona Bl. above. — Habit, a. -b. flower. appendages removed g. flower — 2 flower with —c. corona in median 103 3 — 24 OF FIGURES gynostegium with e. — Dischidia Malayan species of The Peninsular of the corolla part appendages removed. sectional view. h. — — f. cut away. gynostegium twin-pollinium.(after a living specimen). Fig. Dischidia 4. the corolla cut sectional Fig. view. —d. 6. Fig. away. Fig. in -d. e. Gamble. Rintz Merr. sectional view. — Habit. h. — b. flower. b. fruit, — f. — Habit. —a. b. flower. — flower with —c. above. — part of f. flower in median flower with part of the corolla cut —c. Rintz flower, -c. gynostegium with twin-pollinium. (after — b. flower, in median gynostegium e. Habit. a. gynostegium from twin-pollinium. (after Habit. above. — e. — 31). -e. —a. — Ridl. singaporensis appendage. —a. view. sectional gynostegium from in median corona King & ex (Bl.)Decne. median major (Vahl) — Dischidia 7. away. Scort. d. corolla with part cut away. twin-pollinium. (after g. flower flower g. — Dischidia corolla cut — — Dischidia imbricata 5. away. astephana away. the 132). -d. flower corona with of the part appendages removed. living specimen). a flower with -c. sectional view. — part of the corolla f. cut twin-pollinium. (after Ridley s.n.). 8. Fig. — d. Dischidia rhodantha gynostegium appendage in from Ridl. above. ventral view. — Habit. a. b. flower. — with gynostegium calyx. g. — — e. h. flower in median — c. — the flower with part of the corolla cut away. corona removed, appendages sectional view. i. — -f. corona twin-pollinium. (from a living specimen). 9. Dischidia punctata Fig. -d. away. sectional in — d. —g. (Bl.)Decne. -e. 11. gynostegium (Bl.) sectional view. Dischidia albiflora gynostegium Decne. from above. — g. — Habit. —a. with the gynostegium Rintz twin-pollinium. (after Dischidia hirsuta d. median Fig. — view. 10. Fig. away. gynostegium. —a. e. — Griff, —e. — a. Habit'. —b. flower. gynostegium with Habit. — c. flower with appendages of the corolla part removed. cut f. flower in median — 21). b. flower. — 2 Rintz twin-pollinium. (after from above. b. flower. corona —c. flower with corona of the corolla part appendages removed. — cut f. flower 110). c. — flower in median sectional flower with — view. f. part of the corolla cut away. twin-pollinium. (after a living specimen). 12. Fig. away. —d. Dischidia pollinium. (after Rintz -d. —e. Fig. Fig. subulata gynostegium 14. Dischidia cut 15. away. ssp. Habit. subulata from above, subulata -d. Dischidia -a. — b. flower. above. Habit, flower -e. — c. flower with f. flower in median - -b. flower, in median Fig. 16. part Dischidia Chew in median part of the corolla sectional view. —g. cut twin- -c. flower sectional with -f. view. of the corolla part twin-pollinium (after from above, cut -a. Habit, -b. gynostegium -e. flower, flower -c. -f. flower with in median part of the sectional view, 873). sectional complex Griff, of the corolla Rintz. ssp. angustata gynostegium longepedunculata Ridl. -d. flower away. with —a. 30). twin-pollinium (after -g. Ridl. gynostegium from 7). corolla cut Rintz 13. Dischidia Fig. cut away. parvifolia gynostegium. away. —a. Habit. view. —a. Habit. -e. flower — — e. b. in — b. flower. — c. flower with part of the corolla twin-pollinium. (after Ridley 15927). pitcher median leaf in x-section. sectional view. — -f. c. flower. — d. flower twin-pollinium. (after Amdjah 67). Fig. away. Rintz 17. — d. 45). Dischidia bengalensis Colebr. gynostegium from above. — —a. e. Habit, flower -b. flower. in median —c. sectional flower with view. — f. part of the corolla cut twin-pollinium. (after 104 - BLUMEA 18. Fig. — away. Rintz Dischidia d. nummularia R. Br. from above. gynostegium Habit, —a. — e. VOL. 26. no. !. 1980 -b.flower. flower in median Habit. b. flower. flower with -c. sectional view. -f. part of the corolla cut twin-pollinium. (after 66). Fig. away. 19. — d. Dischidia tomentella gynostegium. — e. Ridl. —a. gynostegium — in median flower with —c. sectional view. — f. of the corolla cut part twin-pollinium. (after Ridley 15225). Fig. corolla 20. Dischidia — cut away. pollinium. (after Fig. 21. — d. Fig. — c. sectional view. Dischidia 23. —a above. Fig. away. — e. 24. — Dischidia d. flower above, — g. from Habit, -a. above. — a. Schltr. gynostegium acutifolia —b. ssp. flower. — -b. flower e. — — b. flower. with e. —a. Rintz Habit. — acutifolia Maingay —c. flower with Ridl. view. -a. flower in — f. Habit. median — the in median sectional sectional fruticulosa gynostegium. Habit. gynostegium -e. twin-pollinium. (after in median Dischidia & Gamble, flower; in median flower —c. sectional with part view. — of the f. twin- 104). dolichantha —d. & a". Habit. King gynostegium albida Griff. from gynostegium. Fig. (a'), Dischidia 22. d. Rintz gynostegium median scortechinii part c. flower with part of the corolla cut away. corona appendages b. flower view. ex with Hook. f. (a —f) of the corolla b. flower, sectional view. -c. — part of the -f. corolla twin-pollinium.(after —e. twin-pollinium. (a — removed, flower in 113). f. and ssp. klossii cut away. —f. Rintz flower with —d. 19. cut Jacobs away 5061). (Ridl.) Rintz gynostegium from —a'. part Rintz 20). of the corolla twin-pollinium. (after Rintz cut 79). R. E. Rintz: The Peninsular Malayan species of Dischidia fig. 3 105 106 BLUMEA - VOL. 26. no. fig. 4 1, 1980 R. E. Rintz: The Peninsular Malayan species of fig. 5 Dischidia 107 108 BLUMEA - VOL. 26, fig. 6 no. 1, 1980 R. E. Rintz: The Peninsular Malayan species of Dischidia fig. 7 109 110 BLUMEA - VOL. 26. no. fig. 8 1, 1980 R. E. Rintz: The Peninsular Malayan species of fig. 9 Dischidia 111 112 BLUMEA - VOL. 26. fig.10 no. 1, 1980 R. E. Rintz: The Peninsular Malayan species of fig.11 Dischidia 113 114 BLUMEA - VOL. 26. no. fig.12 1. 1980 R. E. Rintz: The Peninsular Malayan speeies of fig.13 Dischidia 115 116 BLUMEA - VOL. 26, no. fig.14 1. 1980 R. E. Rintz: The Peninsular Malayan species of Dischidia fig.15 117 118 BLUMEA - VOL. 26, fig.16 no. 1. 1980 R. E. Rintz: The Peninsular Malayan species of Dischidia fig.17 119 120 BLUMEA - VOL. 26. no. fig.18 1, 1980 R. E. Rintz: The Peninsular Malayan speeies of Dischidia fig.19 121 122 BLUMEA - VOL. 26, fig.20 no. I, 1980 R. E. Rintz: The Peninsular Malayan fig.21 species of Dischidia 123 124 BLUMEA - VOL. 26, no. fig.22 1, 1980 R. E. Rintz: The Peninsular Malayan speeies of fig.23 Dischidia 125 126 BLUMEA - VOL. 26, no. fig.24 1. 1980