AGLAODORUM

A. griffithii (Schott) Schott

Presumably present but not yet recorded · Vietnam, Malaya, Sumatra, Borneo: Sarawak

AGLAONEMA

A. nitidum (Jack) Kunth (A. oblongifolium (Roxb.) Kunth)

Endotrophic terrestrial; suffrutescent herb/subshrub, herb · VEG: Alluvial Forest, Degraded Alluvial Forest, LMDF, Degraded LMDF, Secondary Forest · HAB: valley bottom, gentle slope; near running fresh water · GEO: Belait formation, Lambir formation, sandstone; alluvial deposits; stony; sandy soil · ALT: 10-150 m

BEL: Labi, Boyce 236; Labi, Boyce 237; Labi, Boyce 344; Labi, Forman 1060B; Labi, Rampayoh, Cowley 20; Labi, Sg. Rampayoh, Dransfield S. 1278; Labi, Wasai Teraja, Thomas 271. TEM: Batu Apoi, Selapon, Dransfield J. 7496; Labu, Sands 5648. Without prov.: Hotta 13462; Hotta 13468 · Indochina, Thailand, Malaya, Sumatra, Java, Borneo

A. simplex Blume - Tatu'od (Dus.)

Herb · VEG: Alluvial Forest, LMDF · HAB: valley bottom; near running fresh water · GEO: Lambir formation, sandstone; alluvial deposits; sandy soil · ALT: 80 m

BEL: Labi, Forman 1065; Labi, Wong 529; Labi, Rampayoh, Atkins 440; Labi, Sg. Rampayoh, Coode 7268; Labi, Sg. Rampayoh, Dransfield S. 1281. TUT: Lamunin, Belabau, Coode 6400; Rambai, Tasek Merimbun, Bernstein 481. Without prov.: Poulsen 212 · Indochina, Thailand, Malaya, Java, Sumatra, Java, Borneo, Philippines

A. spp. indet.

BEL: Labi, Boyce 342. TEM: Amo, Wong 1741; Amo, K. Belalong, Boyce 367; Amo, K. Belalong, Boyce 431.

A. cf. sp. indet.

Without prov.: van Niel 4306.

ALOCASIA

A. beccarii Engl.

Herb; on ground · VEG: Kerangas, LMDF, HDF · HAB: steep slope, ridge · GEO: Belait formation · ALT: 120-620 m

BEL: Melilas, Bt. Batu Patam, Boyce 274. TEM: Batu Apoi, Bt. Gelagas (Bt. Suang), Simpson 2271; Labu ?, Boyce 350 · Malaya, Borneo: Sarawak, Sabah

A. guttata N.E.Br.

Herb · HAB: gentle slope; near running fresh water · GEO: Setap Shales; stony · ALT: 60-70 m

TEM: Amo, Batu Apoi Forest Reserve, Poulsen 43; Amo, Batu Apoi Forest Reserve, Poulsen 108 · Borneo: Sabah

A. longiloba Miq.

Without prov.: Hotta 12495; Hotta 12601; Hotta 13589 · ?Indochina, Thailand, Malaya, Java, Borneo

A. lowii Hook.f.

Herb · HAB: near running fresh water · GEO: Setap Shales · ALT: 60 m

TEM: Amo, Batu Apoi Forest Reserve, Poulsen 18 · Borneo

A. macrorrhizos (L.) G.Don

Seen in cultivation (P.C.B.) but not collected · SE Asia and Malesia to Australia; cultivated

A. peltata M.Hotta

Herb · HAB: gentle slope, steep slope · GEO: sandstone

TEM: Amo, Wong 1903; Amo, Bt. Retak, Wong 838. Without prov.: Poulsen 213 · Borneo: Sarawak

A. reginae N.E.Br.

Without prov.: Hotta 13227 · Borneo

A. sp. A

Herb · VEG: Degraded LMDF, Lower Montane Forest, Secondary Forest · HAB: near running fresh water · GEO: Setap Shales · ALT: 20-800 m

TEM: Johns 6733; Amo, K. Belalong, Boyce 384a; Bangar, Bt. Biang, Forman 897; Bangar, Bt. Biang, Forman 931 · Endemic

A. sp. B

Herb; on ground · VEG: LMDF, Degraded LMDF · HAB: steep slope, ridge; near running fresh water · GEO: Setap Shales · ALT: 20-100 m

BEL: Sungai Liang, Sungei Liang, Forman 1082. TEM: Amo, Bt. Belalong, Wong 1417; Amo, K. Belalong, Boyce 359; Amo, K. Belalong, Boyce 384. TUT: Lamunin, Ladan Hills, Coode 7332 · Endemic

A. sp. C

· VEG: Lower Montane Forest · ALT: 800 m

TEM: Johns 6721. Without prov.: Kessler 404 · Endemic

A. sp. D

· GEO: Lambir formation · ALT: 30 m

BEL: Labi, Rampayoh, Atkins 441 · Endemic

A. sp. E

Without prov.: Poulsen 235 · Endemic

A. sp. F

Without prov.: Poulsen 264 · Endemic

A. sp. G

Without prov.: Poulsen 79 · Endemic

A. spp. indet.

BEL: Labi, Boyce 343; Melilas, Kuala Ingei, Thomas 216; Melilas, Ulu Ingei, Cowley 144. TEM: Amo, K. Belalong, Boyce 418. Without prov.: van Niel 4247.

AMORPHOPHALLUS

A. paeoniifolius (Dennst.) Nicolson

Seen in cultivation (P.C.B.) but not collected · SE Asia and Malesia to Australia; cultivated

A. pendulus Mayo & Bogner

BEL: Labi, Boyce 247. TEM: Amo, Apoi Forest Reserve, Sands 5788; Amo, K. Belalong, Boyce 376; Amo, K. Belalong, Boyce 437.

AMYDRIUM

A. medium (Zoll. & Mor.) Nicolson - Sipak (Dus.)

Herb, climber; on ground · VEG: Freshwater Swamp Forest, LMDF, HDF · HAB: gentle slope, steep slope, terrace, ridge; periodically flooded; near running fresh water · GEO: Belait formation, White sand, Sand/clay, Setap Shales; alluvial deposits · ALT: 10-350 m · USES: Edible leaves

BEL: Labi, Bt. Teraja, Simpson 2135; Labi, Kpg. Tenajor, Haslani-Mohd. A. 15; Melilas, Ulu Ingei, Cowley 145; Sungai Liang, Labi road, Boyce 449. BRM: Kota Batu, Boyce 220. TEM: Amo, Batu Apoi Forest Reserve, Poulsen 173; Amo, K. Belalong, Boyce 403; Amo, K. Belalong, Boyce 408; Labu, Bukit Patoi, Hussain Hj. Osman 37; Labu ?, Boyce 347. TUT: Rambai, Tasek Merimbun, Bernstein 159; Rambai, Tasek Merimbun, Bernstein 384. Without prov.: Poulsen 236; Poulsen 364 · ?Indochina, Thailand, Malaya, Sumatra, Java, Borneo, Philippines

ANADENDRUM

A. affine Schott

Without prov.: Hotta 13337 · Sumatra

A. cordatum Schott

Climber · VEG: Alluvial Forest, Secondary Forest · HAB: valley bottom · GEO: alluvial deposits · ALT: 20-80 m

BEL: Labi, Sg. Rampayoh, Dransfield S. 1280. TEM: Bangar, Bt. Biang, Forman 901 · Sumatra

A. latifolium Hook.f.

Climber · VEG: Alluvial Forest · HAB: valley bottom · GEO: alluvial deposits

BEL: Labi, Sg. Rampayoh, Dransfield S. 1284. Without prov.: Kessler 355 · Malaya

A. lobbii Schott

Climber · VEG: LMDF · HAB: near running fresh water · GEO: Belait formation · ALT: 30-40 m

BEL: Labi, Boyce 249 · ?Indochina, Thailand, Malaya, Sumatra, Java, Borneo, Sulawesi

A. marginatum (Wall.) Schott

Without prov.: Boyce 249a · Malaya

A. microstachyum (de Vriese & Miq.) Baker

Climber · VEG: Degraded Peatswamp Forest, LMDF · GEO: clay soil, sandy soil · ALT: sea level-50 m

BEL: Labi, Kpg. Teraja, Forman 1073. TUT: Forman 989. Without prov.: Hotta 13517 · Sumatra, Java

A. spp. indet.

TEM: Amo, K. Belalong, Boyce 374; Batu Apoi, Kirkup 320.

ARIDARUM

A. caulescens M.Hotta

Rheophyte; herb · VEG: LMDF · HAB: near running fresh water · GEO: Belait formation, Lambir formation · ALT: 20-40 m

BEL: Labi, Boyce 250; Labi, Sg. Mendaram, Sands 5506 · Borneo: Sarawak

A. caulescens M.Hotta var. angustifolium Bogner & Nicolson

Rheophyte; herb · VEG: LMDF, Secondary Forest · HAB: waterfall spray zone, near running fresh water · GEO: Lambir formation · ALT: 90-20 m

BEL: Labi, Johns 6813; Labi, Sungai Rampayoh, Atkins 605. Without prov.: Boyce 250a; van Niel 3492 · Borneo: Sarawak

A. sp. indet.

BEL: Labi, Kirkup 352.

ARISAEMA

A. filiforme (Reinw.) Blume

Herb · VEG: HDF · HAB: near running fresh water · ALT: 350 m

BEL: Labi, Bt. Teraja, Simpson 2062 · Malaya, Sumatra, Java, Borneo

A. umbrinum Ridl.

Herb · VEG: Lower Montane Forest · GEO: Meligan formation · ALT: 800 m

TEM: Amo, Bt. Retak, Sands 5347 · Borneo: Sarawak

BUCEPHALANDRA

B. motleyana Schott ( Microcasia oblanceolata M.Hotta)

Lithophyte, rheophyte; acaulescent, herb · VEG: LMDF, HDF · HAB: flat ground, valley bottom, gentle slope, ridge; seasonal watercourse, periodically flooded; near running fresh water, in · GEO: Belait formation, shale, Setap Shales; alluvial deposits; bare rock and boulders; grey clay soil · ALT: 130 m

BRM: Lumapas, Bukit Lumapas, Bygrave 45. TEM: Johns 7130; Johns 7149; Amo, Apoi Forest Reserve, Sands 5821; Amo, Batu Apoi Forest Reserve, Nielsen 1012; Amo, Batu Apoi Forest Reserve, Poulsen 109; Amo, Batu Apoi F.R., K Belalong FSC, Hansen 1625; Amo, Bt. Belalong, Wong 1514; Amo, K. Belalong, Boyce 377; Amo, K. Belalong, Boyce 386; Amo, K. Belalong, Boyce 416; Amo, Sg. Belalong, Wong 1179; Amo, Sg. Temburong, Coode 6549; Amo, Sg. Temburong, Coode 6636; Amo, Temburong river, Atkins 484; Bangar, Bt. Biang, Simpson 148; Batu Apoi, Bt. Gelagas (Bt. Suang), Simpson 2425; Batu Apoi, Kpg. Selapon, Dransfield S. 1170; Labu, Sands 5647. TUT: Rambai, Tasek Merimbun, Bernstein 399a. Without prov.: Argent 9142a; Coode 6584a; Hotta 13586; Hotta 13855 · Borneo

CALADIUM

C. bicolor Vent.

Seen in cultivation (P.C.B.) but not collected · Central and S America; naturalised in Malesia and elsewhere in tropics

COLOCASIA

C. esculenta (L.) Schott

Seen in cultivation (P.C.B.) but not collected · Pantropic; widely cultivated and naturalised across the tropics and subtropics, native distribution uncertain

CRYPTOCORYNE

C. ciliata (Roxb.) Schott

Not yet recorded but presumably present · SE Asia and Malesia to Australia

C. longicauda Engl.

Herb · VEG: Peatswamp Forest, LMDF · HAB: flat ground, ridge; impeded drainage; near still fresh water · GEO: Belait formation · ALT: 30-50 m

BEL: Labi, Boyce 459; Melilas, Wong 983 · Malaya, Sumatra, Borneo: Sarawak

C. zonata de Wit

Herb · VEG: Peatswamp Forest, LMDF · HAB: flat ground, ridge; impeded drainage; near still fresh water · GEO: Belait formation · ALT: 30-50 m

BEL: Labi, Boyce 458. Without prov.: Richards 5601; van Niel 3395 · Malaya, Sumatra, Borneo: Sarawak

CYRTOSPERMA

C. ferox Linden & N.E.Br.

Herb · HAB: flat ground; impeded drainage; near still fresh water

BEL: Labi, Wong 1003. Without prov.: Hotta 13592 · Borneo

EPIPREMNUM

E. falcifolium Engl.

Epiphytic; climber · VEG: Degraded Peatswamp Forest, LMDF · HAB: gentle slope · GEO: Setap Shales; clay soil · ALT: sea level-150 m

TEM: Amo, Batu Apoi Forest Reserve, Poulsen 172. TUT: Forman 986. Without prov.: Poulsen 233; Poulsen 363 · Endemic

HAPALINE

H. celatrix P.C.Boyce in press

Herb; on ground · VEG: LMDF, Degraded LMDF · HAB: impeded drainage; near running fresh water · GEO: Setap Shales · ALT: 20-30 m

TEM: Amo, K. Belalong, Boyce 358; Amo, K. Belalong, Boyce 417 · Endemic

HOMALOMENA

H. aromatica (Roxb.) Schott (H. cordata (Houtt.) Schott)

Herb · VEG: LMDF · HAB: ridge · GEO: Setap Shales · ALT: 250 m

TEM: Amo, Batu Apoi Forest Reserve, Poulsen 25. Without prov.: Hotta 13951 · Indochina, Thailand, Malaya, Borneo, Moluccas, ?New Guinea

H. geniculata M.Hotta

Herb · VEG: LMDF · HAB: steep slope · GEO: sandstone; yellow clay soil · ALT: 450 m

TEM: Amo, Ulu Belalong, Dransfield J. 7401. Without prov.: Poulsen 322 · Borneo: Sarawak

H. hostifolia Engl. - Kelemuyang (Ib.), Latu (Dus.)

Lithophyte, rheophyte; herb · VEG: LMDF, HDF · HAB: gentle slope, ridge; impeded drainage; near running fresh water · GEO: Belait formation, Setap Shales; stony; clay soil · ALT: 20-40 m

BEL: Labi, Boyce 253. TEM: Amo, Wong 1894; Amo, Apan, Cowley 74; Amo, Bt. Belalong, Wong 1516; Amo, K. Belalong, Boyce 433; Batu Apoi, Bt. Gelagas (Bt. Suang), Simpson 2493; Batu Apoi, Selapon, Dransfield J. 7478; Batu Apoi, Selapon, Dransfield J. 7479. Without prov.: Poulsen 168; Poulsen 268 · Borneo: Sarawak, Kalimantan

H. humilis (Jack) Hook.f.

Rheophyte; herb · VEG: Degraded LMDF · HAB: near running fresh water · GEO: Setap Shales; bare rock and boulders · ALT: 20-60 m

TEM: Amo, Batu Apoi Forest Reserve, Poulsen 190; Amo, K. Belalong, Boyce 399. Without prov.: Hotta 12581; Hotta 13131; Hotta 13279 · Malaya, Sumatra

H. minutissima M.Hotta

Lithophyte; herb · VEG: LMDF · HAB: ridge · GEO: Belait formation · ALT: 50-150 m

BEL: Melilas, Bt. Batu Patam, Boyce 301. Without prov.: Hotta 12857 · Endemic

H. modesta Schott

Herb · VEG: LMDF · HAB: gentle slope · GEO: Setap Shales · ALT: 150 m

TEM: Amo, Batu Apoi Forest Reserve, Poulsen 177 · Borneo: Kalimantan

H. propinqua Schott

Lithophyte; herb · VEG: Kerangas · GEO: Belait formation · ALT: 180-200 m

BEL: Melilas, Bt. Batu Patam, Boyce 276 · Borneo

H. pygmaea (Hassk.) Engl. - Latu Biasa (Dus.)

Epiphytic, lithophyte, rheophyte; herb · VEG: Kerangas, LMDF, Degraded LMDF, Lower Montane Forest · HAB: gentle slope, ridge; waterfall spray zone, near running fresh water · GEO: Belait formation, Meligan formation, shale, Setap Shales; stony · ALT: 20-200 m

BEL: Labi, Boyce 255; Labi, Boyce 266; Labi, Wong 533; Melilas, Bt. Batu Patam, Boyce 284; Melilas, Bt. Batu Patam, Boyce 285. TEM: Amo, Bt. Retak, Sands 5322; Amo, K. Belalong, Boyce 356; Amo, K. Belalong, Boyce 378; Amo, Sg. Temburong, Coode 6584. TUT: Rambai, Tasek Merimbun, Bernstein 399. Without prov.: Jacobs 5603 · Malaya, Sumatra, Java, Borneo, Sulawesi, Philippines

H. rostrata Griff.

· HAB: near running fresh water

TEM: Bukok, Kpg. Temada, Simpson 155. Without prov.: Hotta 12785; Hotta 12972; Hotta 13457 · Borneo: Sarawak, ?Kalimantan

H. cf. rostrata Griff.

Herb · VEG: Peatswamp Forest · HAB: flat ground; impeded drainage; near still fresh water

BEL: Melilas, Wong 986.

H. sagittifolia Schott

Without prov.: Hotta 12690; Hotta 13320; Hotta 13466; Hotta 13658; Hotta 13850 · Malaya, Borneo

H. subcordata Engl.

Without prov.: Hotta 13457a · Borneo: Sarawak

H. vagans P.C.Boyce

Herb; on ground · VEG: LMDF, Secondary Forest · HAB: gentle slope; near running fresh water · GEO: Lambir formation · ALT: 20-150 m

BEL: Labi, Rampayoh, Cowley 180. TUT: Rambai, Sg. Tutong, Coode 6365. Without prov.: Jacobs 5615; Poulsen 47; Poulsen 273 · Endemic

H. sp. A

Herb; on ground · VEG: LMDF · HAB: impeded drainage; near running fresh water · GEO: Belait formation; alluvial deposits · ALT: 100-120 m

TUT: Lamunin, Ladan Hills, Cowley 29; Lamunin, Ladan Hills F.R., Sands 5728 · Endemic

H. cf. sp. A

Herb · HAB: ridge · GEO: shale · ALT: 800 m

TEM: Amo, Bt. Belalong, Wong 1463.

H. sp. B

Herb · VEG: LMDF · HAB: near running fresh water · GEO: Belait formation · ALT: 20-40 m

BEL: Labi, Boyce 244 · Endemic

H. sp. C - Ratun Latu (Dus.)

· VEG: HDF · ALT: 390 m

BEL: Labi, Johns 6875. TUT: Rambai, Tasek Merimbun, Bernstein 199 · Endemic

H. sp. D

Herb; on ground · VEG: LMDF, Secondary Forest · HAB: gentle slope, steep slope · GEO: Lambir formation, Setap Shales; clay soil · ALT: 80 m

BEL: Labi, Teraja, Atkins 615. TEM: Amo, K. Belalong, Boyce 400; Amo, Kuala Belalong F.S.C., Argent 9185; Batu Apoi, Selapon, Dransfield J. 7482; Batu Apoi, Sg. Selapon, Wong 2083 · Endemic

H. sp. E

Herb; on ground · VEG: LMDF, Degraded LMDF · HAB: steep slope; near running fresh water · GEO: Belait formation · ALT: 20-90 m

BEL: Labi, Boyce 252; Labi, Boyce 263. TUT: Lamunin, Ladan Hills, Coode 7328. Without prov.: Coode 6370a · Endemic

H. sp. F

· VEG: HDF · HAB: near running fresh water · GEO: Setap Shales · ALT: 40 m

TEM: Amo, Apan, Cowley 78 · Endemic

H. sp. G

BEL: Labi, Rampayoh, Sands 5742; Labi, Sungai Rampayoh, Kirkup 792; Melilas, Bt. Batu Patam, Boyce 339. BRM: Lumapas, Bukit Lumapas, Bygrave 47. TEM: Amo, Batu Apoi Forest Reserve, Poulsen 181; Amo, Batu Apoi F.R., K Belalong FSC, Hansen 1614; Amo, K. Belalong, Boyce 361; Amo, K. Belalong, Boyce 369; Amo, K. Belalong, Boyce 381; Amo, K. Belalong, Boyce 422; Bangar, Bt. Biang, Simpson 147. Without prov.: Poulsen 234; Poulsen 315; van Niel 3447.

H. sp. nov. 1

Herb; on ground · VEG: LMDF, HDF · HAB: impeded drainage; near running fresh water · GEO: Setap Shales · ALT: 20-40 m

TEM: Amo, Apan, Cowley 79; Amo, K. Belalong, Boyce 420.

HOTTARUM

H. truncatum (M.Hotta) Bogner & Nicolson

Rheophyte · VEG: Degraded LMDF · HAB: near running fresh water · GEO: Setap Shales · ALT: 20 m

TEM: Amo, K. Belalong, Boyce 399A · Borneo: Sarawak

H. strictum P.C.Boyce in press

based on a Johns collection from Brunei, label lost · Endemic

H. dacryon P.C.Boyce in press

Herb · VEG: Lower Montane Forest · GEO: Meligan formation · ALT: 800- 900 m

TEM: Johns 6743; Amo, Bt. Retak, Sands 5375 · Endemic

H. sp. indet.

TEM: Temburong R., Sungai Wong, Coode 6549a.

LASIA

L. spinosa (L.) Thwaites - Bungor (Dus.)

Herb · VEG: Peatswamp Forest, Degraded Peatswamp Forest, Degraded LMDF · GEO: Belait formation; clay soil · ALT: sea level-40 m · USES: Edible leaves, cooked as a vegetable

BEL: Labi, Boyce 340. TUT: Forman 975; Rambai, Sg. Medit, Simpson 2592; Rambai, Tasek Merimbun, Bernstein 35. Without prov.: Hotta 12560; Hotta 13461 · Continental SE Asia: India to China, Sumatra,Java, Borneo, New Guinea

PHYMATARUM

P. borneense M.Hotta

Rheophyte; herb · VEG: Degraded LMDF · HAB: flat ground; near running fresh water · GEO: Belait formation, Setap Shales; alluvial deposits; stony · ALT: 10-40 m

BEL: Labi, Boyce 341. TEM: Amo, K. Belalong, Boyce 398; Batu Apoi, Kpg. Selapon, Dransfield J. 6919. Without prov.: Hotta 13314; Hotta 13722 · Borneo: Sarawak, Kalimantan

P. crassum P.C.Boyce in press

· HAB: near running fresh water · GEO: Setap Shales · ALT: 10 m

TEM: Batu Apoi, Kpg. Selapon, Dransfield S. 1150 · Endemic

PIPTOSPATHA

P. burbidgei (N.E.Br.) M.Hotta

Rheophyte; herb · VEG: Degraded LMDF · HAB: periodically flooded; near running fresh water · GEO: Setap Shales; bare rock and boulders · ALT: 20-70 m

TEM: Amo, Wong 1329; Amo, Batu Apoi Forest Reserve, Poulsen 19; Amo, K. Belalong, Boyce 355; Amo, Sungai Temburong, Argent 9142. Without prov.: Hotta 13721; Hotta 13735 · Borneo

P. elongata (Engl.) N.E.Br.

Rheophyte; herb · HAB: flat ground; near running fresh water · GEO: Setap Shales; alluvial deposits; stony · ALT: 10-20 m

TEM: Batu Apoi, Kpg. Selapon, Dransfield J. 6918 · Malaya, Borneo

P. spp. indet.

TEM: Amo, K. Belalong, Boyce 414; Amo, K. Belalong, Boyce 432; Amo, K. Belalong, Boyce 436.

PISTIA

P. stratiotes L.

Seen in cultivated rice-fields (P.C.B.) but not collected · Pantropic

POTHOS

P. atropurpureus M.Hotta

Climber · HAB: ridge; near running fresh water · GEO: sandstone · ALT: 120-150 m

BEL: Labi, Wong Kadir, Coode 7181 · Borneo: Sarawak

P. barberianus Schott

Epiphytic; climber · VEG: Kerangas, LMDF, HDF · HAB: gentle slope, steep slope, ridge · GEO: Belait formation, sandstone, Setap Shales; clay soil, yellow clay soil · ALT: 70-850 m

BEL: Melilas, Bt. Batu Patam, Boyce 302; Melilas, Bt. Batu Patam, Boyce 304; Melilas, Bt. Batu Patam, Boyce 316. TEM: Amo, Bt. Belalong, Dransfield J. 7176; Amo, Ulu Belalong, Dransfield J. 7405; Batu Apoi, Selapon, Kirkup 944b · Malaya, Sumatra, Borneo: Kalimantan

P. beccarianus Engl.

Climber · VEG: HDF · HAB: steep slope · GEO: Setap Shales · ALT: 820 m

TEM: Amo, Bt. Belalong, Dransfield J. 7169. Without prov.: Poulsen 174 · Borneo: Sarawak

P. brevistylus Engl.

Climber · VEG: LMDF, Degraded LMDF · HAB: gentle slope · GEO: Setap Shales · ALT: 20-80 m

BEL: Labi, Jln. Melayan, Dransfield J. 7269. TEM: Batu Apoi, Dransfield J. 6944 · Borneo: Sarawak

P. hosei Rendle

Climber · VEG: Kerapah, LMDF · HAB: ridge · GEO: Setap Shales · ALT: 30-210 m

TEM: Amo, K. Belalong, Boyce 440; Amo, K. Belalong, Boyce 445; Batu Apoi, Dransfield J. 6955 · Borneo: Sarawak

P. insignis Engl.

Climber · VEG: LMDF · HAB: impeded drainage · GEO: Setap Shales · ALT: 20-30 m

TEM: Amo, K. Belalong, Boyce 438. Without prov.: Poulsen 183 · Borneo: Sarawak

P. laurifolius P.C.Boyce in press

Climber · VEG: Alluvial Forest · HAB: valley bottom · GEO: alluvial deposits

BEL: Labi, Sg. Rampayoh, Dransfield S. 1282 · Endemic

P. leptostachyus Schott

Climber · VEG: LMDF · HAB: gentle slope · GEO: sandstone; clay soil · ALT: 150 m

TEM: Batu Apoi, Selapon, Dransfield J. 7465. Without prov.: Poulsen 147 · Borneo: Kalimantan

P. aff. leptostachyus Schott

Climber · VEG: LMDF · HAB: gentle slope · GEO: Setap Shales · ALT: 20-40 m

TEM: Batu Apoi, Dransfield J. 6934.

P. oxyphyllus Miq.

Without prov.: Poulsen 180; Poulsen 208 · Sumatra, Java, Borneo

P. scandens L.

Climber · GEO: vertical tree trunk

BRM: Gadong, Kpg. Rimba, Wong 1635 · India to Indochina and Malaya, Sumatra, Java, Borneo, Sulawesi, Moluccas

P. volans P.C.Boyce in press

Epiphytic; climber · VEG: HDF · HAB: ridge · GEO: sandstone; yellow-red clay soil; Leaf litter · ALT: 620 m

TEM: Amo, Bt. Belalong, Wong 1488; Amo, Ulu Belalong, Dransfield J. 7419. Without prov.: Dransfield J. 7169a · Endemic

P. cf. volans P.C. Boyce in press

Climber · VEG: LMDF · HAB: ridge · GEO: Belait formation · ALT: 30-50 m

BEL: Labi, Boyce 248.

P. sp. indet.

TEM: Amo, Bt. Belalong, Dransfield S. 1226.

RHAPHIDOPHORA

R. angustifolia Schott

Climber · VEG: LMDF · HAB: ridge · GEO: Setap Shales · ALT: 250 m

TEM: Amo, Batu Apoi Forest Reserve, Poulsen · Java, Borneo: Kalimantan

R. beccarii Engl.

Rheophyte; herb · VEG: LMDF, Degraded LMDF · HAB: near running fresh water · GEO: Belait formation, Setap Shales · ALT: 20-40 m

BEL: Labi, Boyce 245. TEM: Amo, K. Belalong, Boyce 396; Amo, Sg. Temburong, Wong 242. Without prov.: Hotta 13463; Jacobs s.n. · Thailand, Malaya, Sumatra, Borneo

R. foramanifera (Engl.) Engl.

Climber · VEG: LMDF · HAB: near running fresh water · GEO: Belait formation; sandy soil · ALT: 30-40 m

BEL: Labi, Boyce 235; Labi, Rampayoh Sg. , Joffre 15. Without prov.: Hotta 13324 · Malaya, Sumatra, Borneo

R. korthalsii Schott

Epiphytic, lithophyte; climber · VEG: LMDF · HAB: steep slope · GEO: Belait formation · ALT: 50-350 m

BEL: Melilas, Bt. Batu Patam, Boyce 322. TEM: Labu ?, Boyce 349 · Thailand, Malaya, Sumatra, Java, Borneo, Philippines to New Guinea

R. lobbii Schott

Climber · VEG: Peatswamp Forest · HAB: flat ground; periodically flooded · GEO: Belait formation; alluvial deposits · ALT: 20 m

BEL: Melilas, Ulu Ingei, Sands 5919 · Thailand, Malaya, Sumatra, Java, Borneo

R. minor Hook.f.

Epiphytic; climber · VEG: LMDF · HAB: gentle slope · GEO: Setap Shales; sandy soil · ALT: 10-200 m

BEL: Sukang, Sg. Keduan, Forman 1174. TEM: Amo, Batu Apoi Forest Reserve, Poulsen 153 · ?Indochina, Thailand, Malaya, Sumatra, Java, Borneo, Sulawesi

R. nigrescens Ridl.

Climber · VEG: Kerangas · HAB: ridge · GEO: Belait formation · ALT: 170-200 m

BEL: Melilas, Bt. Batu Patam, Boyce 298 · Borneo: Sarawak, Sabah

R. sylvestris (Blume) Engl.

Climber · VEG: Alluvial Forest · HAB: flat ground; periodically flooded · GEO: alluvial deposits · ALT: 10 m

TEM: Batu Apoi, Dransfield J. 6917. Without prov.: Hotta 13214 · Java, Borneo, Moluccas, New Guinea

R. cf. sylvestris (Blume) Engl.

Without prov.: van Niel 3944.

R. tenuis Engl.

Epiphytic; climber · VEG: LMDF · HAB: gentle slope, steep slope; near running fresh water · GEO: Belait formation; vertical tree trunk · ALT: 80 m

BEL: Melilas, Bt. Batu Patam, Boyce 312. TEM: Amo, Wong 1727; Amo, Sungai Temburong, Argent 9136 · Borneo: Sarawak

R. sp. A

Climber · VEG: Degraded LMDF · GEO: Belait formation · ALT: 10-40 m

BEL: Labi, Boyce 345 · Endemic

R. sp. B

Climber · VEG: LMDF · HAB: steep slope · GEO: White sand, Setap Shales · ALT: 20-100 m

BRM: Kota Batu, Boyce 221. TEM: Amo, K. Belalong, Boyce 372 · Endemic

R. sp. C

Climber · VEG: LMDF · HAB: steep slope · GEO: Setap Shales · ALT: 20-80 m

TEM: Amo, K. Belalong, Boyce 402 · Endemic

R. sp. D

Without prov.: Poulsen 362 · Endemic

R. sp. E

Without prov.: Poulsen 207 · Endemic

R. spp. indet.

BEL: Labi, Boyce 243; Melilas, Bt. Batu Patam, Boyce 271; Melilas, Bt. Batu Patam, Boyce 325; Melilas, Bt. Batu Patam, Boyce 330; Melilas, Bt. Batu Patam, Boyce 332. TEM: Amo, Batu Apoi Forest Reserve, Poulsen 152; Amo, Batu Apoi Forest Reserve, Poulsen 165. Without prov.: Poulsen 211; van Niel 4138; van Niel 4250.

SCHISMATOGLOTTIS

S. beccariana Engl.

Lithophyte; herb; on ground · VEG: LMDF, Degraded LMDF · HAB: ridge; near running fresh water · GEO: Belait formation · ALT: 20-40 m

BEL: Labi, Boyce 238; Labi, Boyce 242; Labi, Boyce 257. TEM: Johns 6979. TUT: Johns 7107; Ukong, Bt. Besong, Dransfield S. 1146; Rambai, Tasek Merimbun, Wong s.n. Without prov.: Hotta 13211; Hotta 13212 · Borneo: Sarawak, Kalimantan

S. aff. beccariana Engl.

Herb; on ground · VEG: LMDF · HAB: ridge · GEO: Setap Shales · ALT: 50- 210 m

TEM: Amo, K. Belalong, Boyce 446.

S. brevicuspis Hook.f.

Lithophyte; herb · VEG: Kerangas · HAB: steep slope, ridge; near running fresh water · GEO: Belait formation, Setap Shales; bare rock and boulders · ALT: 180-200 m

BEL: Melilas, Bt. Batu Patam, Boyce 283. TEM: Amo, Batu Apoi Forest Reserve, Poulsen 139 · Malaya, Java, Borneo: Sarawak

S. calyptrata (Roxb.) Zoll. & Mor.

Herb · VEG: Degraded LMDF · HAB: valley bottom, gentle slope; near running fresh water · GEO: Setap Shales · ALT: 20-60 m

TEM: Amo, Batu Apoi Forest Reserve, Poulsen 192. TUT: Lamunin, Dransfield J. 6886 · Widespread across SE Asia and Malesia to New Guinea

S. cyria P.C.Boyce

Climber · HAB: valley bottom

TEM: Amo, Kuala Belalong F.S.C., Argent 91203 · Endemic

S. ferruginea Merr.

Herb · VEG: Degraded LMDF, HDF · HAB: gentle slope; periodically flooded; near running fresh water · GEO: Belait formation, sandstone; alluvial deposits; sandy soil · ALT: 150 m

TUT: Lamunin, Ladan Hills, Sands 5764; Lamunin, Ladan Hills F.R., Dransfield J. 6871 · Borneo: Sabah

S. gillianae P.C.Boyce

Rheophyte; herb; on ground · VEG: LMDF · HAB: flat ground; impeded drainage; near running fresh water · GEO: Belait formation, shale, Setap Shales; alluvial deposits; bare rock and boulders, stony · ALT: 10-130 m

BEL: Labi, Boyce 254. TEM: Amo, K. Belalong, Sg. Belalong, Dransfield J. 7041; Amo, K. Belalong, Boyce 424; Amo, Sg. Temburong, Coode 6665; Batu Apoi, Kpg. Selapon, Dransfield J. 6920. TUT: Rambai, Sg. Tutong, Coode 6313. Without prov.: Poulsen 47a · Endemic

S. hottae Bogner & Nicolson (S. cordifolia M.Hotta)

Lithophyte; herb · VEG: Kerangas, HDF · HAB: ridge · GEO: Belait formation · ALT: 180-200 m

BEL: Labi, Johns 6872; Melilas, Bt. Batu Patam, Boyce 279. Without prov.: Hotta 12886 · Endemic

S. monoplacenta M.Hotta

Cited by Hotta but not seen at Kew · Borneo: Sarawak

S. aff. monoplacenta M.Hotta

Herb · VEG: LMDF · HAB: ridge · GEO: Setap Shales · ALT: 250 m

TEM: Amo, Batu Apoi Forest Reserve, Poulsen 86.

S. parviflora M.Hotta

Without prov.: Hotta 12582; Hotta 12585; Hotta 12672 · ?Endemic

S. platystigma M.Hotta

Without prov.: Hotta 13132; Hotta 13321 · ?Endemic

S. schottii Bogner & Nicolson - Latu Payoh (Dus.)

Herb; on ground · HAB: seasonal watercourse; near running fresh water · GEO: sandstone, shale; alluvial deposits; sandy soil; fallen logs · ALT: 300 m · USES: Used to catch spirit of new rice

BEL: Labi, Sg. Rampayoh, Coode 7297. BRM: Lumapas, Bukit Lumapas, Bygrave 46. TEM: Amo, Sg. Temburong, Coode 6696. TUT: Rambai, Tasek Merimbun, Bernstein 228. Without prov.: Poulsen 365 · Borneo: Sarawak, Kalimantan

S. wallichii Hook.f.

Herb; on ground · VEG: Alluvial Forest, LMDF, Degraded LMDF · HAB: valley bottom, ridge; near running fresh water · GEO: Belait formation, Lambir formation; alluvial deposits · ALT: 20-40 m

BEL: Labi, Boyce 239; Labi, Boyce 259; Labi, Rampayoh, Atkins 434; Labi, Sg. Rampayoh, Dransfield S. 1277. TUT: Ukong, Bt. Besong, Dransfield S. 1147 · Malaya

S. cf. wallichii Hook.f.

Rheophyte; herb; on ground · VEG: Degraded LMDF · GEO: Belait formation · ALT: 20-50 m

BEL: Labi, Boyce 267; Labi, Boyce 270.

S. sp. A

BEL: Labi, Boyce 240; Labi, Boyce 241; Labi, Boyce 251; Labi, Boyce 256; Labi, Boyce 258; Labi, Boyce 265; Labi, Sg. Rampayoh, Dransfield S. 1283; Labi, Wong Kadir, Coode 7194. TEM: Johns 6734; Amo, Apan, Cowley 85; Amo, Apoi Forest Reserve, Cowley 96; Amo, K. Belalong, Boyce 357; Amo, K. Belalong, Boyce 385; Amo, K. Belalong, Boyce 415; Amo, K. Belalong, Boyce 419; Amo, K. Belalong, Boyce 434; Batu Apoi, Selapon, Dransfield J. 7485. TUT: Lamunin, Ladan Hills F.R., Sands 5730; Ukong, Bt. Besong, Dransfield S. 1145. Without prov.: Poulsen 143; Poulsen 237; Poulsen 238; Poulsen 239; Poulsen 296.

S. cf. sp. A

TEM: Amo, K. Belalong, Boyce 354; Amo, K. Belalong, Boyce 421.

SCINDAPSUS

S. beccarii Engl. - Lukut (Dus.)

Epiphytic · GEO: White sand · ALT: 20 m

BRM: Kota Batu, Boyce 222. TUT: Rambai, Tasek Merimbun, Bernstein 24. Without prov.: Hotta 13590 · Malaya, Sumatra, Borneo

S. borneensis Engl. & K.Krause

· VEG: LMDF · GEO: sandy soil · ALT: 50 m

BEL: Labi, Forman 1060A · Borneo: Sabah, Kalimantan

S. hederaceus Schott

Climber · VEG: Lower Montane Forest · HAB: ridge · ALT: 150 m

TEM: Johns 7352 · Thailand, Malaya, Sumatra, Java, Borneo

S. latifolius M.Hotta

Climber · VEG: LMDF · HAB: steep slope · GEO: Belait formation · ALT: 150-350 m

TEM: Labu ?, Boyce 351. Without prov.: Hotta 13512 · Borneo: Sarawak

S. longipes Engl.

Climber · VEG: LMDF · HAB: steep slope, ridge · GEO: Belait formation, Setap Shales · ALT: 150-350 m

TEM: Amo, Batu Apoi Forest Reserve, Poulsen 313; Labu ?, Boyce 353 · Borneo: Sarawak

S. perakensis Hook.f.

Climber · HAB: steep slope · GEO: vertical tree trunk · ALT: 90 m

TUT: Lamunin, Ladan Hills, Coode 7331. Without prov.: Hotta 12584 · Thailand, Malaya, Borneo

S. pictus Hassk.

Climber · VEG: Degraded Kerangas · GEO: White sand · ALT: 10-20 m

TUT: Telisai, Boyce 225. Without prov.: Poulsen 206 · Thailand, Malaya, Sumatra, Java, Borneo, Sulawesi, Philippines

S. rupestris Ridl.

Epiphytic, rheophyte; herb, climber; on ground · VEG: Kerangas, LMDF, Lower Montane Forest · HAB: steep slope · GEO: Belait formation, sandstone, shale, Setap Shales · ALT: 20-300 m

BEL: Melilas, Bt. Batu Patam, Boyce 275. TEM: Johns 7261; Amo, Wong 1834; Amo, K. Belalong, Boyce 413; Amo, Sg. Temburong, Coode 6694. TUT: Rambai, Bt. Bahak, Coode 7009; Rambai, Tasek Merimbun, Bernstein 38. Without prov.: Nielsen 1013; Poulsen 205 · Thailand, Malaya, Sumatra, Borneo

S. spp. indet.

BEL: Labi, Sg. Rampayoh, Dransfield S. 1279; Melilas, Bt. Batu Patam, Boyce 318. Without prov.: Hotta 13516; van Niel 4095.

SYNGONIUM

S. podophyllum Schott

Seen in cultivation (P.C.B.) but not collected · C & S America; naturalised in many parts of tropics

TYPHONIUM

T. blumei Nicolson & Sivadasan

Seen in cultivation (P.C.B.) but not collected · Native to China & Japan; elsewhere introduced across tropical and sub-tropical areas

T. roxburghii Schott

Seen in cultivation (P.C.B.) but not collected · Native to W & C Malesia; introduced in S America, Africa, India, Philippines and New Guinea

XANTHOSOMA

X. sagittifolium (L.) Schott

Seen in cultivation (P.C.B.) but not collected · Native to C & S America; cultivated and widely naturalised throughout SE Asia