ANNONA

A. muricata L.

Without prov.: van Niel 4305 · Widely cultivated across tropics; origin Americas

ARTABOTRYS

A. borneensis Merr.

Climber · VEG: Roadsides

BEL: Labi, Bt. Puan, Sinclair 10490 · Borneo

A. cf. gracilis King

Climber · VEG: LMDF · HAB: near running fresh water · ALT: 20-30 m

TUT: Rambai, Sg. Tutong, Coode 6353 · A. gracilis is known from Malay Peninsula & Borneo

A. havilandii Ridl.

Liana, climber · VEG: Degraded LMDF, Secondary Forest · ALT: 50-60 m

BEL: Sg. Liang, Andulau Forest Reserve, BRUN 15253; Sungai Liang, Andulau F.R., Coode 6770 · Borneo: Sarawak

A. cf. polygynus Miq.

Climber · VEG: Degraded LMDF · HAB: gentle slope · ALT: 70 m

BEL: Labi, Jln. Melayan, Dransfield J. 7271 · A. polygynus is known from Borneo

A. suaveolens (Blume) Blume

Climber · VEG: Degraded Peatswamp Forest, Kerangas, LMDF, Degraded LMDF, HDF, Degraded Secondary Forest, Roadsides · HAB: gentle slope, terrace, ridge; periodically flooded; near running fresh water · GEO: Belait formation, sandstone; alluvial deposits; clay soil, sandy clay soil · ALT: 540 m

BEL: Bt. Sawat, UBD plot, Thomas 232; Bukit Sawat, Ulu Sg. Merangking, Niga 239; Melilas, Paleh Bangawong, Thomas 93; Sg. Liang, Andulau Forest Reserve, BRUN 15251; Sungai Liang, Andulau F.R., Wong 1554. BRM: Berakas, Sinclair 10545. TEM: Amo, Ulu Belalong, Dransfield J. 7346; Batu Apoi, Selapon, Dransfield J. 7439; Batu Apoi, Selapon, Dransfield J. 7447. TUT: Rambai, Sg. Tutong, Simpson 2602. Without prov.: van Niel 4238 · Burma, Assam, Thailand, Malesia

A. sp. 1

Climber · VEG: HDF, Secondary Forest · HAB: valley bottom, gentle slope, ridge; near running fresh water · GEO: Belait formation · ALT: 70 m

BEL: Sukang, Sungai Paleh Bangawong, Kirkup 674. TEM: Amo, Bt. Belalong, Prance 30698; Amo, K. Belalong, Ashton BRUN 5209; Labu, Smythies SAN 17404.

A. sp. 2

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

TEM: Batu Apoi, Kpg. Selapon, Kirkup 330.

A. spp. indet.

BEL: Bt. Sawat, UBD plot, Thomas 217. TUT: Keriam, Jln. Tutong, BRUN 15058. Without prov.: van Niel 3906; van Niel 4338.

CYATHOCALYX

C. bancana Boerl. - Mempisang (Mal.)

Midstorey/subcanopy tree · VEG: Lower Montane Forest · GEO: Meligan formation · ALT: 1100 m

TEM: Amo, Headwaters of the Temb. river, Sands 5339 · Bangka, Borneo: Sarawak, Kalimantan

C. biovulatus Boerl.

Canopy/emergent tree, midstorey/subcanopy tree, treelet · VEG: Peatswamp Forest with Shorea albida, Peatswamp Forest · ALT: 40 m

BEL: Kuala Balai, K. Balai, Flemmich KEP 37175; Seria, Badas railway, Smythies SAN 17458; Seria, Badas State land, Smythies SAN 17444; Seria, Badas Stateland Forest, Mat Salleh 2429b; Seria, Badas swamps, Sinclair 10471; Seria, Kpg. Badas, Wong 162; Sungai Liang, Andulau F.R., Smythies SAN 17549 · Sumatra, Borneo: Sarawak & Moluccas

C. carinatus (Ridl.) J.Sinclair - Mandap (Dus.), Merpisang (Br.), Selanok (*)

Midstorey/subcanopy tree, climber · VEG: HDF, Belukar · HAB: valley bottom, gentle slope, ridge · GEO: sandstone, Sediments; clay soil, yellow sandy clay soil · ALT: 540 m

BEL: Bukit Sawat, Jln. Labi, Niga 283; Labi, Bt. Telingan area, Ashton BRUN 17. BRM: Kilanas, Kpg. Kilanas, Dransfield J. 7100. TEM: Amo, Ulu Belalong, Coode 7854. TUT: Jln. Abang, Abang Suhaili KEP 37054; Lamunin, Ladan Hills F.R., Kirkup 281 · Malaya, Borneo: Sarawak, Sabah

C. havilandii Boerl.

Canopy/emergent tree, midstorey/subcanopy tree · HAB: ridge · GEO: shale · ALT: 120-550 m

TEM: Amo, K. Temburong Machang, Wong 1950; Amo, Sg. Temburong, Coode 6704 · Borneo: Sarawak, Sabah, Kalimantan

C. magnificus Diels

Treelet · VEG: LMDF · HAB: gentle slope · GEO: Belait formation · ALT: 30 m

BEL: Labi, Bt. Teraja, Coode 6979 · Borneo: Sarawak, Sabah

C. sp. 1 (sp.nov. Sinclair) - Pendok (Ib.)

Midstorey/subcanopy tree, treelet · VEG: LMDF, Roadsides · GEO: sandy soil

BEL: Labi, Bt. Puan, Sinclair 10511; Sungai Liang, Sungai Liang Arboretum, Wong 120.

C. spp. indet.

TEM: Amo, K. Temburong, Wong 262. TUT: Rambai, Tasek Merimbun, Bernstein 425. Without prov.: van Niel 4236a.

CYATHOSTEMMA

C. excelsum (Hook.f. & Thoms.) J.Sinclair - Akau Tudong (Dus.)

Liana, climber · VEG: Kerangas, HDF · HAB: gentle slope, steep slope · ALT: 40-790 m · USES: Medicinal, for stomach ache

BEL: Bukit Sawat, Merangking Buau, Coode 7661; Sungai Liang, Andulau F.R., Coode 6758; Sungai Liang, Sungai Liang Arboretum, Wong 308. BRM: Berakas, Berakas F.R., Ariffin Kalat BRUN 15028. TEM: Amo, Bt. Belalong, Prance 30612. TUT: Rambai, Tasek Merimbun, Bernstein 520. Without prov.: Ashton BRUN 606 · Malaya, Borneo

DASYMASCHALON

D. clusiflorum Merr. - Kayu Guis (Dus.)

Canopy/emergent tree, treelet · VEG: Peatswamp Forest, LMDF · HAB: flat ground, gentle slope, steep slope; impeded drainage; near running fresh water, near still fresh water · GEO: Belait formation, White sand, sandstone; sandy soil · ALT: 80 m

BEL: Bukit Sawat, Merangking Buau, Coode 7663; Bukit Sawat, Merangking Buau, Coode 7683; Labi, Bt. Teraja, Coode 6971; Labi, Bt. Teraja, Dransfield J. 6860; Labi, Sg. Rampayoh, Coode 7289; Sungai Liang, Andulau F.R., Coode 6765; Sungai Liang, Sungai Lumut, Kirkup 594. TUT: Rambai, Tasek Merimbun, Bernstein 362; Tanjong Maya, Jln. Tutong-Seria, Simpson 2177 · Borneo, Philippines

DESMOS

D. dumosus (Roxb.) Stafford

Climber · VEG: Alluvial Forest · HAB: valley bottom · GEO: alluvial deposits · ALT: 20 m

BEL: Labi, Sg. Rampayoh, Dransfield J. 7320 · Assam to Thailand, Malaya, Borneo

D. teijsmannii (Boerl.) Merr.

Climber · HAB: gentle slope · GEO: clay · ALT: 40 m

BEL: Sungai Liang, Andulau F.R., Ashton BRUN 569 · Malaya, Borneo

DISEPALUM

D. anomalum Hook.f. - Kelimpanas (Br.), Limpanas (Dus., Br.)

Canopy/emergent tree, midstorey/subcanopy tree, treelet; in understorey/low vegetation · VEG: Kerangas, LMDF, HDF · HAB: gentle slope, ridge · GEO: Belait formation, Lambir formation, sandstone; yellow sandy clay soil · ALT: 390 m

BEL: Labi, Bt. Teraja, Ashton S 7899; Labi, Bt. Teraja, Coode 6977; Labi, Bt. Teraja, Hotta 12865; Labi, Bt. Teraja, Simpson 2101; Labi, Bukit Teraja, Kirkup 402; Labi, Teraja F.R., Hotta 12795; Labi, Teraja F.R., Hotta 12933; Melilas, Bt. Batu Patam, Wong 1005B; Seria, Anduki F.R., Corner BRUN 5350; Seria, Badas F.R., Ashton BRUN 5558; Seria, Badas F.R., Coode 7348; Seria, Badas Forest Reserve, Duling 2; Seria, Kpg. Badas, van Niel 4102; Seria, Kpg. Badas, Wong 164; Sungai Liang, Andulau F.R., Sinclair 10455; Sungai Liang, Lumut, Niga 165 · Borneo: Sarawak

D. coronatum Becc. - Kelimpanas (Br.), Pendok (Ib.)

Midstorey/subcanopy tree, treelet, shrub · VEG: Peatswamp Forest, Kerangas Forest with Agathis · HAB: flat ground, terrace · GEO: Sand; peat · ALT: sea level

BEL: Seria, Badas F.R., Brunig S 1064; Seria, Badas F.R., Dransfield J. 7283; Seria, Badas F.R., Wong 11; Seria, Badas railway, Ashton BRUN 983; Seria, Badas Stateland forest, Mat Salleh 2430b. TUT: Pekan Tutong, van Niel 4399 · Borneo: Sarawak, Sabah, Kalimantan

ELLIPEIA

E. sp. 1

Climber

TEM: Amo, Sg. Temburong, Wong 1282.

ENICOSANTHUM

E. coriaceum (Ridl.) Airy Shaw

Midstorey/subcanopy tree · VEG: HDF · HAB: gentle slope; near running fresh water · ALT: 350 m

TEM: Batu Apoi, Bt. Gelagas (Bt. Suang), Simpson 2485 · Borneo: Sarawak

E. paradoxum Becc.

Midstorey/subcanopy tree · VEG: Degraded LMDF · HAB: valley bottom · GEO: Lambir formation · ALT: 40 m

BEL: Labi, Rampayoh, Sands 5749 · Borneo

FISSISTIGMA

F. fulgens (Hook.f. & Thoms.) Merr.

Liana, climber · VEG: Degraded Peatswamp Forest · HAB: near running fresh water · GEO: sandy soil; peat · ALT: 10 m

BEL: Seria, Anduki F.R., Coode 6477; Seria, Badas, Sinclair 10532; Sukang, Sg. Belait, Wong 109 · Malaya, Sumatra, Borneo, Philippines

F. aff. hypoglaucum (Miq.) Merr.

Canopy/emergent tree · VEG: Degraded Peatswamp Forest · HAB: near running fresh water · ALT: 20 m

BEL: Bukit Sawat, Sg. Mau, Simpson 2004 · F. hypoglaucum is known from Malaya, Sumatra, ?Philippines

F. paniculata (Ridl.) Merr.

Climber · VEG: HDF · HAB: steep slope · GEO: Setap Shales · ALT: 900 m

TEM: Amo, Bt. Belalong, Dransfield J. 7154 · Borneo

F. sp. 1

Climber · VEG: Upper Montane Forest · HAB: ridge · GEO: sandstone/shale; sandy soil · ALT: 1520 m

TEM: Amo, Pagon ridge, Ashton BRUN 2343; Amo, Pagon ridge, Wong 1851.

F. sp. 2

Liana · VEG: Secondary Forest · ALT: sea level

BRM: Berakas, Berakas F.R., Ashton S 7835.

F. sp. 3

Climber · VEG: HDF · HAB: steep slope · GEO: Brown clay-loam; Leaf litter · ALT: 480 m

TEM: Amo, Ulu Belalong, Dransfield J. 7383.

F. spp. indet.

BRM: Lumapas, Bukit Lumapas, Bygrave 38. Without prov.: van Niel 3913; van Niel 4069; van Niel 4278.

FRIESODIELSIA

F. argentea (J.Sinclair) Steenis var. pubescens Salleh ined.

Climber · HAB: gentle slope · GEO: clay · ALT: 40 m

BEL: Sungai Liang, Andulau F.R., Ashton BRUN 546 · Borneo: Sarawak, Sabah (& Malaya for the species s.l.)

F. biglandulosa (Scheff.) Blume

Canopy/emergent tree, liana, climber · HAB: gentle slope · GEO: yellow sandy loam · ALT: 60 m

BEL: Seria, Audulau F.R., Ashton BRUN 5517; Seria, Kpg. Seria, Ashton S 5902. TEM: Amo, K. Belalong, Prance 30714; Amo, Sg. Temburong, Smythies SAN 17053 · Sumatra, Malaya, Borneo

F. sp. indet.

BEL: Sukang-Melilas, Belait river, Forman 1149.

GONIOTHALAMUS

G. andersonii J.Sinclair

Midstorey/subcanopy tree · VEG: Peatswamp Forest with Shorea albida · ALT: sea level

BEL: Labi, Bt. Puan, Ashton S 7864; Seria, Badas railway, Smythies SAN 17452; Seria, Kpg. Seria, Smythies S 5901 · Borneo: Sarawak

G. macrophyllus (Blume) Hook.f. & Thoms. - Kelimpanas (Dus.)

· USES: Medicinal

TUT: Rambai, Tasek Merimbun, Bernstein 433 · Thailand, Malaya, Sumatra, Java, Borneo

G. malayanus Hook.f. & Thoms. - Mempisang (Mal.), Selukai (*)

Canopy/emergent tree, midstorey/subcanopy tree, treelet, shrub · VEG: Peatswamp Forest with Shorea albida · HAB: flat ground; impeded drainage; near still fresh water · ALT: sea level

BEL: K. Balai, Sg. Mendaram, Symington KEP 35698; Seria, Badas, Ashton BRUN 685; Seria, Badas, Sinclair 10458; Seria, Badas F.R., Brunig S 1067; Seria, Kpg. Seria, Smythies S 5895; Seria, Seria, Wong 18. TEM: Labu, Labu F.R., Smythies SAN 17424 · Malaya, Sumatra, Java, Borneo, Bangka

G. ridleyi King - Kelimpanas (Br.), Selukai (Ib.), Tutud (Dus.)

Midstorey/subcanopy tree · VEG: Lower Montane Forest · HAB: gentle slope, ridge · GEO: Meligan formation · ALT: 800-900 m

TEM: Johns 6726; Amo, Bt. Pagon, Wong 1895; Amo, Sg. Temburong, Sands 5370 · Malaya, Borneo: Sarawak

G. umbrosus J.Sinclair - Kayu Medit (Dus.), Limpanas Putih (*), Medit (Dus.), Pendok (Ib.)

Canopy/emergent tree, midstorey/subcanopy tree, treelet · VEG: Empran, LMDF, Degraded LMDF, HDF, Lower Montane Forest, Secondary Forest, Degraded Secondary Forest · HAB: gentle slope, steep slope, ridge; seasonal watercourse, periodically flooded; near running fresh water · GEO: Belait formation, Lambir formation, Meligan formation, sandstone, shale, Setap Shales; alluvial deposits; Podsol, yellow · ALT: 1160 m · USES: Bark used for making straps, Twigs used for protection from ghosts

BEL: Labi, Jln. Melayan, Dransfield J. 7257; Labi, Kpg. Teraja, Forman 1074; Labi, Kpg. Tenajor, Haslani - Mohd. A. 32; Labi, Sungai Rampayoh, Atkins 601; Labi, Wong Kadir, Coode 7208; Melilas, Bt. Batu Patam, Wong 1084; Melilas, Paleh Bangawong, Thomas 90; Melilas, Sg. Belait, Forman 1206; Melilas, Sg. Topi, Ashton BRUN 206; Sungai Liang, Andulau F.R., Ashton BRUN 5521; Sungai Liang, Andulau F.R., Mat Salleh 2455. TEM: Amo, Belalong ridge, Duling 21; Amo, Bt. Belalong, Dransfield J. 7209; Amo, Bt. Belalong, Prance 30564; Amo, Bt. Belalong, Wong 1375; Amo, Bt. Retak, Wong 839; Amo, Bukit Tudal, Bygrave 10; Amo, Sg. Temburong, BRUN 15619; Amo, Sg. Temburong, Coode 6567; Amo, Sg. Temburong, Dransfield J. 6637; Bangar, Pekan Bangar, Ashton BRUN 494; Batu Apoi, Kpg. Selapon, Kirkup 322. TUT: Rambai, Tasek Merimbun, Bernstein 113, 491a; Ulu Tutong, Bukit Bahak, Kirkup 467 · Malaya, Borneo

G. cf. umbrosus J.Sinclair

Treelet, shrub · VEG: Degraded LMDF, HDF · HAB: gentle slope; near running fresh water · GEO: Setap Shales · ALT: 20-350 m

TEM: Batu Apoi, Bt. Gelagas (Bt. Suang), Simpson 2492. TUT: Lamunin, Dransfield J. 6887.

G. uvarioides King

Treelet · VEG: Secondary Forest · GEO: Belait formation · ALT: 100-200 m

BEL: Melilas, Paleh Bangawong, Thomas 120 · Malaya, Java (?cult.), Borneo

G. velutinus Airy Shaw - Limpanas Hitam (Dus.)

Treelet; in understorey/low vegetation · VEG: LMDF, HDF · HAB: gentle slope, steep slope, ridge; near running fresh water · GEO: Belait formation; clay soil · ALT: 100 m

BEL: Labi, Bt. Teraja, Coode 6970; Labi, Bt. Teraja, Simpson 2032A; Labi, Bt. Teraja, Simpson 2107; Labi, Labi Hills F.R., Wong 1579; Labi, Sungai Rampayoh, Coode 7794; Sukang, Sungai Paleh Bangawong, Kirkup 623; Sungai Liang, Andulau F.R., Mat Salleh 2454. TUT: Lamunin, Ladan Hills, Coode 7333; Ulu Tutong, Bukit Bahak, Kirkup 532; Rambai, Tasek Merimbun, Bernstein 387 · Borneo

G. sp. 1

TEM: Amo, Belalong ridge, Duling 17.

G. sp. 2

Canopy/emergent tree · VEG: LMDF · HAB: gentle slope · GEO: Lambir formation; White sand; Mor · ALT: 40-120 m

BEL: Labi, Bukit Teraja, Kirkup 449; Sungai Liang, Andulau F.R., Ashton S 5924. TEM: Bangar, Jln. Bangar- Batu Apoi, Smythies SAN 17114.

G. sp. 3

Treelet · VEG: LMDF · HAB: ridge; periodically flooded; near running fresh water · GEO: sandstone; alluvial deposits · ALT: 20-150 m

BEL: Labi, Wong Kadir, Coode 7206. TEM: Johns 7137; Amo, Bt. Belalong, Wong 1512. TUT: Lamunin, Ladan Hills F.R., Wong 1676; Rambai, Ladan Hills F.R., Coode 6421.

G. spp. indet.

BEL: Labi, Bt. Telingan, Dransfield J. 6823; Melilas, Ulu Ingei, Atkins 567; Melilas, Ulu Ingei, Sands 5892; Sukang, Sungai Paleh Bangawong, Kirkup 608. TEM: Johns 7161; Johns 7319; Amo, Apoi Forest Reserve, Atkins 466; Amo, Apoi Forest Reserve, Atkins 467. TUT: Johns 7556. Without prov.: Johns 7379; van Niel 4037.

MARSYPOPETALUM

M. pallidum (Blume) Kurz

Midstorey/subcanopy tree · VEG: HDF · HAB: ridge · ALT: 500 m

TEM: Batu Apoi, Bt. Gelagas (Bt. Suang), Simpson 2243 · Thailand, Malaya, Java, Borneo

MEIOGYNE

M. virgata (Blume) Miq.

Midstorey/subcanopy tree · HAB: gentle slope · GEO: yellow sandy loam · ALT: 60 m

TUT: Lamunin, K. Abang road, Ashton BRUN 5093 · Malaya, Sumatra, Java, Borneo

MEZZETTIA

M. havilandii (Boerl.) Ridl. - Karai (Dus.), Pisang-Pisang (Ib.)

Canopy/emergent tree · VEG: Peatswamp Forest with Shorea albida · HAB: flat ground; near running fresh water, near sea water · GEO: sandy soil · ALT: sea level

BEL: Seria, Kpg. Seria, Flemmich KEP 37186; Seria, Kpg. Seria, Smythies S 5891 · Sumatra, Borneo

M. macrocarpa Heijden & Kessler

Impeded drainage · VEG: LMDF · HAB: valley bottom; impeded drainage · GEO: Setap Shales · ALT: 60 m

TEM: Amo, Sg. Belalong, Dransfield J. 7093 · N Borneo

M. parviflora Becc.

Canopy/emergent tree · VEG: Secondary Forest · HAB: raised beach, ridge; impeded drainage · GEO: White sand, sandstone; yellow sandy clay soil; peat · ALT: sea level-240 m

BEL: Labi, Bt. Telingan area, Ashton BRUN 27. BRM: Berakas, Berakas F.R., Ashton S 7839. TEM: Bangar, Pekan Bangar, Ashton BRUN 479 · Thailand, W Malaysia, Sumatra, Borneo, Moluccas

M. umbellata Becc. - Barun (*), Dilah sa'ie (Ib.), Mempisang (*), Pisang-Pisang (Ib.), Yuris (*)

Canopy/emergent tree, midstorey/subcanopy tree · VEG: Degraded Alluvial Forest, Peatswamp Forest with Shorea albida, Peatswamp Forest, Kerangas, LMDF, Secondary Forest · HAB: flat ground, gentle slope, raised beach; impeded drainage; near still fresh water · GEO: Belait formation, White sand; White sand; Mor, peat · ALT: 300 m

BEL: Badas, Kpg. Badas, Coode 6451; Bukit Sawat, Sg. Mau, Coode 7721; Melilas, K. Ingei, Ashton BRUN 180; Seria, Anduki F.R., Brunig S 1149; Seria, Anduki F.R., Sinclair 10417; Seria, Badas F.R., Brunig S 1062; Seria, Kpg. Seria, Flemmich KEP 34483; Seria, Seria State Land, Abot KEP 37132. BRM: Berakas, Berakas F.R., Ashton BRUN 840. TEM: Batu Apoi, Bt. Pasir Putih, Ashton BRUN 5010; Batu Apoi, Bt. Pasir Putih, Ladi BRUN 5114. TUT: Ulu Tutong, Bukit Bahak, Kirkup 577 · Borneo ( ?Malaya)

M. sp. indet.

Without prov.: van Niel 4130.

MITRELLA

M. dielsii J.Sinclair

Climber · VEG: Secondary Forest · ALT: sea level

BEL: Seria, Badas, Coode 7353 · Borneo: Sarawak

M. kentii (Blume) Miq.

Climber · VEG: Peatswamp Forest with Shorea albida, Peatswamp Forest, Roadsides · HAB: flat ground; near sea water · GEO: Coastal beach sand; peat · ALT: 10 m

BEL: K. Belait, Sg. Satu, Sinclair 10524; Seria, Badas F.R., Dransfield J. 7284; Seria, Jln. Badas, Mat Salleh 2414. Without prov.: van Niel 4259 · Malaya, Sumatra, Java, Borneo

MITREPHORA

M. glabra Scheff.

Midstorey/subcanopy tree · VEG: LMDF, HDF · HAB: sharp ridge · GEO: Setap Shales; grey clay soil · ALT: 150 m

BEL: Labi, Labi Hills F.R., Wong 1586. TEM: Amo, Apoi Forest Reserve, Sands 5827 · Borneo

M. cf. glabra Scheff.

Midstorey/subcanopy tree

BEL: Bt. Sawat, Sg. Merangking, Wong 380.

MONOCARPIA

M. marginalis (Scheff.) J.Sinclair

Midstorey/subcanopy tree · HAB: gentle slope, ridge · GEO: yellow sandy clay soil, sandy soil · ALT: 40 m

BEL: Sungai Liang, Andulau F.R., Ashton S 5946; Sungai Liang, Andulau F.R., Sinclair 10435 · Thailand, Malaya, Sumatra, Borneo

M. sp. nov.

Midstorey/subcanopy tree · VEG: LMDF · HAB: gentle slope, steep slope · GEO: Belait formation, sandstone; yellow sandy clay soil · ALT: 40- 50 m

BEL: Labi, Bt. Teraja, Dransfield J. 7030; Labi, Sg. Mendaram, Ashton BRUN 660 · Borneo: Sabah

NEO-UVARIA

N. acuminatissima (Miq.) Airy Shaw

Midstorey/subcanopy tree · VEG: HDF · HAB: ridge · ALT: 250 m

BEL: Sungai Liang, Sungai Liang Arboretum, Wong 973. TEM: Batu Apoi, Bt. Gelagas (Bt. Suang), Simpson 2355 · Malaya, Sumatra, Borneo, Philippines

N. foetida (Hook.f. & Thoms.) Airy Shaw - Merpisang (Br.)

Midstorey/subcanopy tree

TUT: Lamunin, Ladan Hills F.R., Niga 220 · Malaya, Borneo: Sarawak, Sabah

OROPHEA

O. kostermansiana Kessler

Midstorey/subcanopy tree · HAB: vertical · GEO: shale · ALT: 120-550 m

TEM: Amo, Sg. Temburong, Coode 6728 · Borneo: Sarawak, Sabah

O. sp. indet.

TEM: Batu Apoi, Kpg. Selapon, Kirkup 326.

PHAEANTHUS

P. crassipetalus Becc.

Midstorey/subcanopy tree, treelet; in understorey/low vegetation · VEG: LMDF, Secondary Forest · HAB: gentle slope · GEO: yellow sandy loam · ALT: 40 m

BEL: Labi, Bt. Teraja, Simpson 2148; Sungai Liang, Andulau F.R., Ashton BRUN 3012. BRM: Mentiri, Mentiri, Wong 1626 · Malaya, Sumatra, Borneo

P. ophthalmicus (G.Don) J.Sinclair

Treelet · VEG: LMDF, HDF · HAB: gentle slope, steep slope, ridge; near running fresh water · GEO: Setap Shales; sandy clay soil · ALT: 100-350 m

TEM: Amo, K. Belalong, Dransfield J. 7058; Amo, K. Belalong, Wong 1248; Amo, K. Belalong National Park, BRUN 15040; Batu Apoi, Bt. Gelagas (Bt. Suang), Simpson 2467 · Malaya, Java, Borneo

POLYALTHIA

P. cf. asteriella Ridl.

Midstorey/subcanopy tree · HAB: ridge

TEM: Amo, Bt. Retak, Wong 852 · P. asteriella is known from Thailand, Malay Peninsula & Borneo

P. cauliflora Hook.f. & Thoms. sens. lat.

Midstorey/subcanopy tree, treelet · VEG: LMDF, Degraded LMDF, HDF · HAB: gentle slope, steep slope, terrace, ridge · GEO: Belait formation, Sand/clay, Setap Shales; sandy clay soil, Brown clay-loam; Leaf litter · ALT: 20-150 m

BEL: Labi, Bt. Teraja, Suhaili Hj. Zinin BRUN 15008; Melilas, Sungai Mutip, Atkins 580; Melilas, Ulu Ingei, Atkins 560; Melilas, Ulu Ingei, Atkins 573; Sukang, Sungai Paleh Bangawong, Kirkup 602. TEM: Amo, Ulu Belalong, Dransfield J. 7389. TUT: Lamunin, Dransfield J. 6815; Lamunin, Kpg. Menangah, Kirkup 726; Rambai, Tutong river, Wong 1691 · Thailand, Malaya, Sumatra, Borneo

P. cauliflora Hook.f. & Thoms. var. beccarii (King) J.Sinclair

Midstorey/subcanopy tree, treelet; in understorey/low vegetation · VEG: Empran, Kerangas, HDF · HAB: gentle slope, ridge; seasonal watercourse · GEO: sandstone; alluvial deposits; yellow sandy loam · ALT: 30-990 m · USES: Edible fruit, pickled

BEL: Labi, Bt. Teraja, Simpson 2129; Melilas, K. Ingei,, Ashton BRUN 225. TEM: Amo, K. Belalong Fld. Studies Centre, Schatz 3300; Bangar, Pekan Bangar, Ashton BRUN 486. TUT: Lamunin, K. Abang road, Ashton BRUN 5087 · Malaya, Sumatra, Borneo

P. chrysotricha Ridl.

Midstorey/subcanopy tree · VEG: Degraded LMDF, Secondary Forest · HAB: gentle slope · ALT: 50-150 m

BEL: Bukit Sawat, Labi Road, Thomas 257; Labi, Jln. Melayan, Dransfield J. 7262 · Malaya, Sumatra, Borneo: Sabah

P. clavigera King

Midstorey/subcanopy tree · VEG: LMDF · GEO: Setap Shales · ALT: 20-40 m

TEM: Batu Apoi, Kpg. Selapon, Kirkup 336. Without prov.: Argent 91108 · Thailand, Malaya, Sumatra, Borneo

P. flagellaris (Becc.) Airy Shaw

Canopy/emergent tree, midstorey/subcanopy tree, treelet · VEG: LMDF, Degraded LMDF, HDF · HAB: valley bottom, gentle slope, steep slope, ridge; near running fresh water · GEO: Belait formation, Lambir formation, Setap Shales; grey clay soil · ALT: 130 m

BEL: Labi, Rampayoh, Sands 5750. TEM: Amo, Apoi Forest Reserve, Sands 5795; Amo, K. Belalong, Sands 5507; Amo, Kuala Belalong, Duling 38; Amo, Sg. Temburong, BRUN 15639; Amo, Sg. Belalong, Dransfield J. 7052; Amo, Sg. Temburong, Wong 1958; Batu Apoi, Bt. Gelagas (Bt. Suang), Simpson 2488; Batu Apoi, Kpg. Selapon, Dransfield J. 6952; Labu, Peradayan F.R., Sands 5643 · Borneo: Sarawak, Sabah

P. glauca (Hassk.) Boerl.

Canopy/emergent tree · ALT: 10 m

BEL: Seria, Badas State land, Smythies SAN 17439 · Malaya, Sumatra, Java, Borneo, Sulawesi, Philippines, New Guinea

P. hookeriana King

Midstorey/subcanopy tree · VEG: LMDF · HAB: gentle slope · GEO: Setap Shales; clay soil · ALT: 100 m

BEL: Labi, Bt. Teraja, Suhaili Hj. Zinin BRUN 15014. TEM: Batu Apoi, Selapon, Kirkup 943 · Thailand, Malaya, Borneo

P. hypogaea King

Midstorey/subcanopy tree · HAB: gentle slope, ridge · GEO: shale · ALT: 100-130 m

TEM: Amo, K. Belalong, Wong 1245; Amo, Sg. Temburong, Coode 6671 · Malaya, Borneo

P. hypoleuca Hook.f. & Thoms.

Midstorey/subcanopy tree, treelet · VEG: Peatswamp Forest with Shorea albida · HAB: near running fresh water · ALT: sea level

BEL: Seria, Badas railway, Smythies SAN 17457; Seria, Badas timber rail tracks, Sinclair 10460; Seria, Kpg. Seria, Smythies S 5892 · Malaya, Sumatra, Borneo

P. insignis (Hook.f.) Airy Shaw

Midstorey/subcanopy tree, treelet, shrub; in understorey/low vegetation · VEG: Kerapah, LMDF, Degraded LMDF, HDF, Secondary Forest · HAB: gentle slope, steep slope, terrace, ridge; periodically flooded; near running fresh water · GEO: Lambir formation, White sand, Setap Shales; alluvial deposits; clay soil · ALT: 10-150 m

BEL: Labi, Bt. Teraja, Sands 5455. BRM: Serasa, Kpg. Sabun, Wong 922. TEM: Batu Apoi, Selapon, Coode 7942; Batu Apoi, Selapon, Kirkup 922. TUT: Lamunin, Kpg. Menangah, Kirkup 724; Lamunin, Lamunin, Kirkup 230; Lamunin, Lamunin, Kirkup 285 · Borneo

P. jenkinsii (Hook.f. & Thoms.) Hook.f. & Thoms.

Treelet · VEG: Roadsides

BEL: Labi, Bt. Puan, Sinclair 10489 · Assam, Thailand, Malesia

P. lateriflora (Blume) King

Midstorey/subcanopy tree · VEG: Peatswamp Forest · ALT: sea level-10 m

BEL: Badas, Kpg. Badas, Coode 6452 · Thailand, Sumatra, Java, Borneo

P. longipes (Miq.) Koord. & Valeton

Treelet · VEG: LMDF · HAB: ridge · GEO: Setap Shales · ALT: 100-150 m

TUT: Lamunin, Kirkup 221 · Borneo & Philippines

P. motleyana (Hook.f.) Airy Shaw - Kayu Medit (Dus.), Semukau (Ib.)

Treelet; in understorey/low vegetation · VEG: LMDF, HDF, Lower Montane Forest · HAB: gentle slope, steep slope, ridge; waterfall spray zone · GEO: Meligan formation, sandstone, Setap Shales; stony; clay soil · ALT: 10-850 m · USES: Bark used for making straps, Medicinal

BEL: Labi, Labi Hills F.R., Coode 6828; Melilas, Ulu Ingei, Wong 1119; Sungai Liang, Andulau F.R., Smythies SAN 17569; Sungai Liang, Sungei Liang Arboretum, Wong 135. TEM: Amo, Bt. Belalong, Prance 30604; Amo, Bt. Belalong, Prance 30605; Amo, G. Retak, Sands 5288; Amo, Sg. Temburong, Sands 5341; Amo, Ulu Belalong, Dransfield J. 7352. TUT: Lamunin, Lamunin, Kirkup 223; Rambai, Ladan Hills F.R., Coode 6397; Rambai, Tasek Merimbun, Bernstein 139, 151 · Malaya, Borneo, Riouw Archipelago

P. rumphii (Blume) Merr. - Semukau (Ib.)

Midstorey/subcanopy tree, treelet · VEG: LMDF, Degraded Secondary Forest · HAB: gentle slope, terrace, ridge; periodically flooded; near running fresh water · GEO: sandstone, clay; alluvial deposits; clay soil, sandy clay soil, yellow sandy clay soil · ALT: 90 m

BEL: Labi, Labi Hills F.R., Wong 1589; Sungai Liang, Andulau F.R., Ashton BRUN 589; Sungai Liang, Andulau F.R., Sinclair 10444. TEM: Batu Apoi, Selapon, Dransfield J. 7443; Batu Apoi, Selapon, Dransfield J. 7461. TUT: Lamunin, K. Abang road, Ashton BRUN 75 · Malaya, Sumatra, Borneo, Moluccas, Philippines, New Guinea

P. sumatrana (Miq.) Kurz - Dilah (Ib.), Dilah Sa'ie (Ib., Mal.), Sengkarai (Dus.)

Canopy/emergent tree, midstorey/subcanopy tree, treelet, shrub · VEG: Peatswamp Forest with Shorea albida, LMDF, HDF, Secondary Forest · HAB: gentle slope, steep slope, ridge; near running fresh water · GEO: Belait formation, sandstone, Setap Shales; clay soil, yellow sandy clay soil, sandy soil; peat · ALT: 300 m · USES: Edible fruit, pickled

BEL: Labi, Labi Hills F.R., Wong 1583; Labi, Labi Hills F.R., Wong 1584; Labi, Sungai Rampayoh, Coode 7796; Melilas, K. Ingei, Ashton BRUN 187; Melilas, Paleh Bangawong, Thomas 74; Sungai Liang, Andulau F.R., Sinclair 10454; Sungai Liang, Sungai Liang F.H., Bygrave 5. TEM: Amo, Batu Apoi Forest Reserve, Nielsen 1066; Amo, K. Belalong, Ashton BRUN 465; Amo, K. Belalong Fld. Studies Centre, Schatz 3257; Amo, Kuala Belalong, Duling 35; Amo, Sg. Belalong, Dransfield J. 7039; Amo, Ulu Belalong, Dransfield J. 7425. TUT: Rambai, Ladan Hills F.R., Coode 6419; Rambai, Ulu Tutong, Ashton BRUN 897 · Malaya, Sumatra, Borneo

P. tenuipes Merr. - Kayu Bangking (Dus.)

Canopy/emergent tree, midstorey/subcanopy tree, treelet; on ground, in understorey/low vegetation · VEG: LMDF, Degraded LMDF, HDF · HAB: gentle slope, ridge; near running fresh water · GEO: Lambir formation, shale, Setap Shales · ALT: 850 m · USES: Edible fruit, wood to make fish traps

BEL: Bukit Sawat, Merangking, Coode 7702; Labi, Bt. Teraja, Simpson 2158; Labi, Bt. Teraja, Suhaili Hj. Zinin BRUN 15007; Labi, Rampayoh, Atkins 435; Labi, Sg. Teraja, Wong 1005A; Labi, Teraja, Sands 6017. TEM: Amo, Bt. Belalong, Dransfield J. 7170; Amo, Sg. Temburong, Coode 6625; Labu, Smythies SAN 17408. TUT: Lamunin, Lamunin, Kirkup 216; Lamunin, Lamunin, Kirkup 217; Rambai, Tasek Merimbun, Bernstein 206 · Borneo: Sarawak, Sabah

P. sp. 1

Shrub, suffrutescent herb/subshrub; on ground · VEG: Degraded LMDF, HDF · HAB: ridge; near running fresh water · GEO: Belait formation, sandstone, Setap Shales · ALT: 150 m

BEL: Labi, Mendaram, Dransfield J. 6554; Labi, Wong Kadir, Coode 7189. TEM: Amo, Apoi Forest Reserve, Cowley 46.

P. sp. 2

Midstorey/subcanopy tree, treelet; in understorey/low vegetation · VEG: Degraded LMDF, HDF · HAB: gentle slope, steep slope, ridge · GEO: Belait formation, Setap Shales; clay soil; · ALT: 120-850 m

BEL: Labi, Bt. Telingan, Kirkup 242; Labi, Bt. Teraja, Simpson 2132; Labi, Sungai Rampayoh, Coode 7797. TEM: Amo, Bt. Belalong, Dransfield J. 7177.

P. sp. 3

Treelet · VEG: LMDF · HAB: gentle slope · GEO: sandstone; clay soil · ALT: 250 m

TEM: Batu Apoi, Selapon, Dransfield J. 7468.

P. spp. indet.

BEL: Bukit Sawat, Sg. Belait, Wong 98; Melilas, Ulu Ingei, Brunig S 1004. TEM: Amo, Bukit Tudal, Bygrave 32. TUT: Puff 9008252/2.

POLYAULAX

P. cylindrocarpa (Burck) Backer

Canopy/emergent tree · GEO: clay soil

TEM: Amo, K. Belalong, Batu Apoi F.R., Hansen 1511 · Borneo, New Guinea to Australia & ?Pacific

POPOWIA

P. pisocarpa (Blume) Endl.

Canopy/emergent tree, midstorey/subcanopy tree, treelet · VEG: Alluvial Forest, Kerangas, LMDF, Degraded LMDF · HAB: gentle slope, terrace; near running fresh water · GEO: Belait formation, shale, Sand/clay, Setap Shales; alluvial deposits; yellow sand · ALT: 20-250 m

BEL: Labi, Sungai Rampayoh, Coode 7802; Melilas, Ulu Ingei, Atkins 572; Sukang, Sungai Paleh Bangawong, Kirkup 603. TEM: Johns 7268; Amo, Sg. Temburong, Coode 6591. TUT: Lamunin, Layong-Gadong pipeline track, Dransfield J. 6817 · Indo-China, Malaya, Sumatra, Java, Borneo, Philippines

P. sp. 1

Treelet · VEG: Lower Montane Forest · HAB: steep slope, ridge · ALT: 780-850 m

TEM: Amo, Bt. Belalong, Prance 30600; Amo, Bt. Belalong, Wong 1523.

P. sp. 2

Midstorey/subcanopy tree, treelet · VEG: LMDF · GEO: Setap Shales · ALT: 20-50 m

TEM: Batu Apoi, Kpg. Selapon, Dransfield J. 6981. TUT: Lamunin, Kirkup 289.

P. sp. 3

Treelet · VEG: Degraded LMDF, HDF · HAB: gentle slope; near running fresh water · ALT: 350-70 m

BEL: Labi, Jln. Melayan, Dransfield J. 7275. TEM: Batu Apoi, Bt. Gelagas (Bt. Suang), Simpson 2387.

P. sp. indet.

TEM: Amo, Sg. Temburong, BRUN 15631.

PSEUDUVARIA

P. pamathonis (Miq.) J.Sinclair

Treelet · HAB: steep slope

TEM: Amo, Batu Apoi F.R.., K. Belalong FSC, Hansen 1545 · Borneo

P. spp. indet.

TEM: Amo, Apoi Forest Reserve, Sands 5813; Amo, K. Belalong, Jacobs 5642; Amo, K. Belalong Fld. Studies Centre, Schatz 3261; Amo, Sg. Belalong, Dransfield J. 7044; Amo, Sg. Temburong, Dransfield J. 6702; Amo, Temburong, BRUN 15289.

PYRAMIDANTHE

P. prismatica (Hook.f. & Thoms.) J.Sinclair

Climber · ALT: 40 m

BEL: Sungai Liang, Andulau F.R., Smythies SAN 17507 · Thailand, Sumatra, Borneo

SAGERAEA

S. elliptica (A.DC.) Hook.f. & Thoms.

Midstorey/subcanopy tree

BEL: Sungai Liang, Sungai Liang Arboretum, Wong 942 · Indo-China, Malaya, Borneo

S. lanceolata Miq.

Midstorey/subcanopy tree · HAB: ridge · GEO: Podsol

TEM: Amo, Sg. Temburong, BRUN 15630. Without prov.: De Vogel 8941 · Malaya, Borneo

STELECHOCARPUS

S. cauliflorus (Scheff.) R.E.Fr.

Midstorey/subcanopy tree

TEM: Amo, Sg. Belalong, Wong 1169 · Thailand, Malaya, Sumatra, Borneo

UVARIA

U. lamponga Scheff.

Climber · HAB: gentle slope · ALT: 40 m

TEM: Labu, Smythies SAN 17134 · Java, Borneo

U. lanuginosa Ridl.

Liana, climber · VEG: Roadsides · GEO: sandstone · ALT: 230 m

BEL: Labi, Bt. Puan, Sinclair 10487. TUT: Rambai, Bt. Bahak, Coode 7119 · Borneo

U. ovalifolia Blume - Akar Rarak (Ib.), Entopak (Ib.)

Treelet, liana, climber · VEG: Degraded Peatswamp Forest, LMDF · HAB: flat ground, gentle slope; periodically flooded; near running fresh water · GEO: Belait formation, Lambir formation; alluvial deposits; clay soil, sandy clay soil, sandy soil · ALT: 30 m

BEL: Bukit Sawat, Sg. Mau, Niga 64; Labi, Bt. Teraja, Coode 6981; Labi, Bt. Teraja, Simpson 2144; Labi, Sungai Rampayoh, Kirkup 825; Sukang-Melilas, Belait river, Forman 1151. TUT: Forman 997; Rambai, Sg. Tutong, Coode 6444; Rambai, Sg. Tutong, Simpson 2617 · Bangka, Borneo: Sarawak, Sabah

U. rufa Blume

Climber · ALT: 190 m

TEM: Amo, K. Belalong, Smythies SAN 17079 · Indo-China, Malaya, Sumatra, Java, Borneo, Philippines, New Guinea

U. spp. indet.

BEL: Sg. Belait, Wong 570; Sungai Liang, Andulau F.R., Wong 1546. BRM: Lumapas, Bukit Lumapas, Bygrave 39. TEM: Labu, Smythies SAN 17403.

WOODIELLANTHA

W. sympetala (Merr.) Rauschert

Midstorey/subcanopy tree, shrub · VEG: HDF, Lower Montane Forest · HAB: gentle slope; near running fresh water · GEO: Meligan formation · ALT: 1120-800 m

TEM: Amo, G. Retak, Sands 5283; Amo, G. Retak, Sands 5362; Batu Apoi, Bt. Gelagas (Bt. Suang), Simpson 2490 · Borneo: Sarawak

W. sympetala (Merr.) Rauschert var. grandifolia Airy Shaw

Treelet · VEG: LMDF · HAB: valley bottom; impeded drainage · GEO: Setap Shales · ALT: 60 m

TEM: Amo, K. Belalong, Dransfield J. 7089; Amo, Sg. Belalong, Wong 1180 · Borneo: Sarawak, Sabah

W. sp. indet.

TEM: Batu Apoi, Bt. Gelagas (Bt. Suang), Simpson 2445.

XYLOPIA

X. coriifolia Ridl.

Midstorey/subcanopy tree · VEG: Peatswamp Forest with Shorea albida · ALT: sea level

BEL: Seria, Kpg. Seria, Smythies S 5848 · Borneo: Sarawak

X. aff. coriifolia Ridl.

Midstorey/subcanopy tree · HAB: ridge

BEL: Melilas, Bt. Batu Patam, Wong 1142.

X. ferruginea (Hook.f. & Thoms.) Hook.f. & Thoms. - Jangkang Bukit (Ib.), Sinkajang (Ib.)

Canopy/emergent tree, midstorey/subcanopy tree · VEG: Empran, Peatswamp Forest with Shorea albida, Secondary Forest · HAB: ridge; seasonal watercourse; near running fresh water · GEO: sandstone; alluvial deposits; yellow sandy clay soil; peat · ALT: 300 m

BEL: Bukit Sawat, Ulu Sg. Badas, Niga 105; Labi, Jln. Labi, Ashton BRUN 41; Melilas, Ashton BRUN 223; Melilas, Bt. Batu Patam, Wong 1094; Melilas, Sg. Ingei, Ashton BRUN 129; Seria, Kpg. Seria, Smythies S 5906; Sg. Liang, Andulau F.R., Compt.7, BRUN 15260. TEM: Batu Apoi, Limpaku-Sebatu watershed, Ashton BRUN 332. TUT: Jln. Tutong, Abot KEP 37227 · Thailand, Malaya, Sumatra, Borneo

X. aff. fusca Hook.f. & Thoms.

Midstorey/subcanopy tree · VEG: Secondary Forest · ALT: sea level

BRM: Berakas, Berakas F.R., Ashton S 7838 · X. fusca is known from Malay Peninsula & Borneo

X. malayana Hook.f. & Thoms. - Sengkarai Ragang (Dus.)

Treelet · VEG: LMDF · GEO: yellow sandy clay soil · ALT: 40 m · USES: Firewood

BEL: Labi, Sungai Rampayoh, Coode 7785. TUT: Rambai, Tasek Merimbun, Bernstein 492 · Malaya, Sumatra, Borneo

X. spp. indet.

BEL: Bukit Sawat, Merangking Buau, Coode 7690; Labi, Bukit Teraja, Kirkup 437. Without prov.: van Niel 4038.

ANNONACEAE INDET.

BEL: Labi, Bt. Teraja, Coode 6929; Labi, Sungai Rampayoh, Coode 7821; Melilas, Kuala Ingei, Thomas 214; Melilas, Sungai Mutip, Atkins 585; Sukang, Ashton BRUN 111; Sukang, Sungai Paleh Bangawong, Kirkup 624; Sukang, Sungai Paleh Bangawong, Kirkup 689; Sungai Liang, Andulau F.R., Ashton BRUN 587; . TEM: Johns 6945; Amo, Apoi Forest Reserve, Sands 5789; Amo, Bt. Belalong, Wong 1455; Amo, Sg. Temburong, Coode 6705; Amo, Sg. Temburong, Coode 6748; Amo, Sg. Temburong, Wong 1710; Amo, Ulu Belalong, Dransfield J. 7395; Batu Apoi, Bt. Gelagas (Bt. Suang), Simpson 2244. TUT: Rambai, Bt. Bahak, Coode 7043; Rambai, Bt. Bahak, Coode 7060; Rambai, Tasek Merimbun, Bernstein 118, 429; Tanjong Maya, Jalan Tutong-Seria, Thomas 248.