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BLUMEA 225-231 25(1979) Three new species of Asclepiadaceae from peninsular Malaya Rintz R.E. Recent intensive species were also collected. I wish whose the University the Singapore Leiden (L) of scandens ad 6 laminis membranaceis pubescentibus, 3 — 6 x Tubus coroUae extuset Long perennial diameter, margins 1 x 2 single mm less. 1.7 m at cm 13 c. red deep glabrous entire tube 1.7 the more in on an — 3 mm mm deeply on the small * Corona inner surface. corpuscle. Current address: 1 —6 flowers green with Rd., Mt. infra 10 — 20 1 c. laminae mm mem- surfaces and lower laminae the 5 smaller, often 3 — — 6 4 centripetally; peduncles each pedicel purple spots portion subtended on surrounding base swollen, green, the bright hairs of outer upper cm the by outer the at in funnel united at lower inner surfaces margins margins maturity, U.S.A. the clear with flexuous cilia glabrous, and a and short reflexed hairs globose, divergent pairs, Clemens, Michigan, the base of portion long, filiform upper lobe, a along glabrous, produced 17374 Millar both hairs, progressively white Twin-pollinia exposed Follicles petiolis supra et pedunculis glabris. long; cm corolla lobes lanceolate, 0.8 stout Folia except for 20 white windows between the ribs yellow, consisting bifid lower lobe with 1 long, glabrous, pale irregular upper inner surfaces often long. with help longisintusciliatisextus bases, patent white, inner surfaces with short reflexed hairs, the 2 and (BM) Stems and branches cordate to glaber. rotundatis, 1 -6 floribus; cm petioles both surfaces; long; Museum diametro mm length. short Corolla tube long. at Kepong(KEP), cm. floriferous nodes long, glabrous; pedicels gynostegium, apex, 0.2 x pubescent with pubescent the inner surface shaped, or 5 —6 Inflorescences axillary, bearing mm 1 basibus cordatis vel lobiscorollaeO.8 longus; cm with the base of the corolla and the circiter gracilis ovato lanceolatis, 6 to Leaves upper laminae bract 2 surface, at twiner British at 1. nov. — Fig. graciles glabri. new Malaysia Dr. Herbert Huber for his to 3 Mrs. Zaleha Christine to sp. ovate-lanceolate with round cm or c. sp. records of the staffs of the herbaria to (K), Kew new following Universiti Pertanian Inflorescentiae breve pedunculatae. cm. intusglaber. uniformly cm, a 3 — glabrous. braneous, x2 —3 1 flexuosis. Folliculi pilis longis (SING), Caulis pubescentibus; at study possible; Ceropegia longa. m and addition, the the Forest Research Institute Gardens Ceropegia langkawiensis Rintz, members of the Ascle- species rare thanks express my for their generous assistance and new for Malaya Biology Department Malaya (KLU), Botanic to made this generosity identification of the Planta peninsular from Thailand. In only former Head of the Alang, (UPM), the known formerly species in exploration has resulted in the collection of many piadaceae 48043 subsessile each 5 —6 x 0.2 to a cm. 226 BLUMEA - VOL. 25, No. 1, 1979 R. E. MALAYA. Kedah: the base of a liquid, large UPM, Pulau Rintz: New Kuah, Langkawi, limestone outcrop. October 227 Asclepiadaceae beneath shrubs beach east along sandy 128(1., holotype; 11,1976, R. E. Rintz K. L, Note: This species seems closely most related to monticola W. C. from the mountainsof SW. China, N. Burma and N. Thailand. The differs from both of them in being much a smaller leaves. Moreover, its leaves and and slimmer longer petioles above and below. glabrous flowers 2.5 c. 1—3 peduncles similar in are from flowers of Ceropegia lucida Wall., is known Ceropegia insect retainers morning in early perpendicular are long currents. to the on which it sits. These flower. The entering enter gynostegium, did not see them. portion insects crawl (or the places flies to downward bending pollinated, Fig. 1. the are away view corona basal areas with leaves 10— 17 large of the hairs, a not seem to are cm long acting not are cilia held be scented and small flies enter the by the narrow openings the reflexed the corolla tube is by nearly Fixed but rigidly deep pedicel c. the the irregular pigmentless the darkened Rintz 128). pollinia by occasionally narrow portion occurs to at are on present but contained flies with the pedicel bends up-side-down position, pollinia adhering independently of the the reflexed hairs 12 hrs after anthesis the twin red pigmentless visible from the outside of the not horizontal often with of to thus them. The pollination. If un- 48 hrs after anthesis. — a. habit; twin-pollinia the windows between the ribs; E. C. Pulau remarkable in are lobe. I suspect that nectaries flowers the flower in Bower falls R. this species. Bukit Penara, on long marginal of the tube and b. flower; c. and the anther e. gynostegium wings; with front lower corona d. base of corolla in lateral cut- base of the corolla in top cut-away view f. portion surrounding the gynostegium; twin-pollinia (after of The other is illuminated by 20 their heads. About to Ceropegia langkawiensis Rintz. showing with the directed toward the twin escape, lobes bent down to show the pigmentless have lang- corolla lobes. fall) through Liquid-preserved pollinia adhering allowing member the well-illuminated gynostegial chamber. Once inside and the flies downward and Curtis lobes. Though yellow, pigmentless the inner surface of the lower twin kachinensis directed downwards into the tube of the which is gynostegium, the tube and both corolla lobes. second langkawiensis The flowers do are windows in the swollen basal base on flowers of C. them because of their color. The flies the inner surfaces lining inside, by spathulate The flowers of C. between the corolla lobes and hairs with with much sparsely pubescent C. The peninsular Malaya. vertically-erect position attracted apparently the collection a Langkawi plant plant those of C. kachinensis hut differ to non-spathulate only and long. cm their points of attachment. These cilia about in the air swing 4.5 Sm. part of their pollinating mechanism. The flower opens in the as a to — both are monticola entirely glabrous plant an cm biology: Flower as from only 5 — their represents lucida is and has flowers 3.5 3.5 be recorded from to genus C. shape, though smaller, C. monticola in langkawiensis paleotropical Pinang. and flowers long cm while both W. recorded has subsessile inflorescences Ceropegia langkawiensis long cm are uniformly pubescent are surfaces while those of C. monticolaand C. kachinensis kawiensis flowers in isotypes). (Forrest 10944 type!) and C. kachinensis Prain (Lace 5471 type!) which and of town and at with base of the corolla showing the in median sectional view; g. 228 Fig. lateral Rintz BLUMEA 2. Dischidia view; 71). e. superba Rintz. gynostegium in — a. top view: - VOL. 25, habit; b. flower; f. flower c. in median No. 1, flower in 1979 cut-away sectional view; g. view; d. gynostegium twin-pollinia(after in R. E. R. E. Dischidia Planta 0.7 cm superba Rintz, epiphytica 1 Jlorescenliae alba carnosa — selliformes afficca in epiphyte stems. 0.3 peduncles 0.3 c. or less; broad a 2 stems Hoya 0.2 with long a 7 yellow, short-stalked broad basal opening. MALAYA. S 1 e a n Selangor at 150 Note: BM. at o r : Sungai Langat, in This species his present Dischidia from them on 1 — epiphytica scandens paucis provisa, ad the laminae 1 — 6 cetero apicem. Glabrous along surfaces at lobes on on c. well with do have D. to 3 broadly on sp. nov. — basibus Also (UPM). 100 for specimens 3-angled. of rotundatis often its haud — 6 mm 3 longis few — 5 mm hairs can more that I examined D. it seems long best reviewed. properly and D. griffithii Hook./, well and, corona a species, be treatment 1 — 1.5 of Dischidia. Itcan be reflexed corolla lobes developed lobes. corona latissimis. 1 — diametro. Folia mm cordatis, 8 circiter breve stellatum; mm apices, long; pedicels inside below each - 10 thin, to 8 x 1 — 2 mm 2 pilis spathulata et 0.5 — pubescens. loborum cm. produced roots mm. c. sparse basi 3 1 Inflorescentiae corona petioles x pctiolis mm. diameter; 15 very urceolate, white 2.5 glabri, red. Leaves with acute 10 x glabra, inferius Folliculi 1.5 15 longis. Calyx mm diametra, extus stems deep broadly Sungai Semenyih, without this to genera Gynostegium with round bases and Corolla the Dischidiopsis being as flowers with by 1976, R. E. Rintz 71 12, along 3. long twining plant seen similar coronas lobis corollae reflexis. with a Follicles wings Pollinia m. longis; pedicellis gracilissimus mm peduncles pubescent. anther saddle-shaped. the river, June along trees 84 larger Fig. ovata, caudiculis Entire ovate except — 5 downward into stigma; large corpuscle. a glabra. Caulis longus gracilis glabra; epiphyte fleshy, fleshy, Corolla long. cm project narrow squamulosa Becc., alba vel dilute roseus, 5 Pollinia stems. flowered, sparsely long a described the genus its much by ovatis, 6-floribus; pedunculis Corolla lato-urceolata bifida 200 m, (UPM), the inner surface and Dischidia vadosa Rintz. laminis carnosis 0.7 c. very the inner surfaces, throat closed on in Dischidia until both is similar superba hirsute densely Planta agrees describe it distinguished cm; flowered; 5 — long; cm 3 x Corolla creamy white, long. Decsne. in Section Normalia II of Beccari's latifolia longis; Corona Luas, Pahang specimens definitely to 67 liquid), and at Gua m produced 0.7 5—6 1 ad cm. comose. Schlechter, however, though at g L, flowers (L, holotype; K, with very short caudicles to Seeds cm. 1 roots Inflorescences 5-angled base, glabrous outside, Gynostegium 1 x x lobis oblongata hairs inside and below the corolla lobes, below these hairs and long attached oblong, 7 pilosi, intus alterna et petioles apices, alternate with the corolla lobes with 5 additionallobes which the corolla. longis. Corolla Pollinia diameter; stout acute spp. cm subter flavi, In- similissima. cm longi reflexi cm parvis trianguli mm bases and 0.2 pedicellis 5 opposita, petiolis Hoyae valde dilate. with opposite pedicel's lobis Folliculi magnum. long, reflexed, densely pubescent cm 5 groups of by long cm urceolate with antherorum of alterna vel folia cm, vel menos; alae or leaves 6x3 corollae, cuneate the longis — Lobi corollae circiter 0.3 long-twining to 5 lobos dilati; alternate diametro. Folia mm cm longa. infra corpusculum obovate with fleshy, cm valde with Leaves similar in appearance lobes 0.7 2 cuneatis, brevibus 0.3 pilorum longorum brevissimas the laminae 5 coronae Glabrous along floribus; pedunculis turmis Lobi caudiculas 5 longus basibus obovatis, 229 2. Fig. — Caulis glabra. carnosis urceolata, extusglabra, fauce clausa corollae. scandens laminis longis; nov. sp. Asclepiadaceae Rintz: New mm long; Inflorescences mm long. Calyx pink, glabrous lobe; corolla lobes on both broadly 230 Fig. BLUMEA 3. Dischidia cut-away view; e. vadosa Rintz. — flower in median a. habit; sectional - b. VOL. 25, flower; view; f. c. No. 1. 1979 gynostegium in top view; twin-pollinia (after R. E. d. flower in lateral Rintz 130). R. E. triangular, reflexed. yellow, spathulate, attached to a MALAYA. P a h February 1976, R. (K); Cameron — 3 a n x corpuscle. g 0.5 : Bukit c. 1 mm Bukit Pokok Mentigi, The flowers of this both of which nearly Pain, October species 10, are entirely different flattened m. It is very from hills species on frequently on as the along pale the pollinia, the face of comose. 1400 m, W. on trees and shrubs at the L. Chew 866 summit, H. M. Burkill2348 (L). distinctive. The very to spathulate pollinia ovate D. albida Griff, and D. elevations above 1000 corona occurs long covering bifid with their seperate it from other members of the genus. Vege- easily common at Dischidia vadosa as liquid), August 18,1960, 1963, are appendages twice glabrous, long, flowers in D. vadosa is very similar The flowers of both of these absent Follicles red, short-stalked. Corona lobes Anther apex. broad and 130{L, holotype; K, L, very broad caudicles 1000 as the 231 lobes, the very flat stellate gynostegium, and the tatively, however, have at Seeds cm. Bukit Frazer, E. Rinlz Highlands, Notes: corona bifid shortly narrow the suture, 2.5 Asclepiadaceae Gynostegium star-shaped, flat, Pollinia ovate, caudicles stigma. Rintz: New are m parvifolia Ridl., and have small narrowly urceolate, 2 — 3 mm ovate leaves. diameterand lobes. mountains along associated with which either D. albida the Main D. or Range astephana D. at elevations above Scort. and is parvifolia occur. curiously