Pterocymbium

Pterocymbium
Seeds of Pterocymbium tinctorium
P. tinctorium taken in Pesawaran Regency, Sumatra
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Rosids
Order:	Malvales
Family:	Malvaceae
Subfamily:	Sterculioideae
Genus:	Pterocymbium R.Br. (1844)
Species
See text

Pterocymbium ^[1] is a genus in the family Malvaceae: in the subfamily Sterculioideae and previously placed in the Sterculiaceae. ^[2] In Indonesia, P. tinctorium (Kelumbuk) is a significant timber tree.

Species

Plants of the World Online currently (2025) accepts 12 species. ^[3]

• Pterocymbium beccarii K.Schum. – New Guinea
• Pterocymbium dongnaiense Pierre – Laos and Vietnam^§
• Pterocymbium dussaudii Tardieu – Laos
• Pterocymbium macranthum Kosterm. – Thailand and Myanmar
• Pterocymbium micranthum Mildbr. – Bismarck Archipelago
• Pterocymbium oceanicum A.C.Sm. – Fiji
• Pterocymbium parviflorum Merr. – Borneo
• Pterocymbium splendens Kosterm. – Borneo
• Pterocymbium stipitatum C.T.White & W.D.Francis – New Guinea
• Pterocymbium tinctorium (Blanco) Merr. – Indo-China, Malesia (including Philippines)
• Pterocymbium tubulatum (Mast.) Pierre – Peninsular Malaysia
• Pterocymbium viridiflorum Teijsm. & Binn. ex Koord. – Sulawesi

^§ In Viet Nam the name for this genus is Dực nang with two species listed: ^[4]

• P. dongnaiense Pierre : Dực nang Ðồng nai
• P. tinctorium (Blanco) Merr.: Dực nang nhuộm

Both are deciduous trees, approximately 25 m high, found in tropical forests.

References

1. Brown R (1844) Pl. Jav. Rar. (Bennett) 219. t. 45.
2. Roskov Y.; Kunze T.; Orrell T.; Abucay L.; Paglinawan L.; Culham A.; Bailly N.; Kirk P.; Bourgoin T.; Baillargeon G.; Decock W.; De Wever A. (2014). Didžiulis V. (ed.). "Species 2000 & ITIS Catalogue of Life: 2014 Annual Checklist". Species 2000: Reading, UK. Retrieved 26 May 2014.
3. "Pterocymbium R.Br". Plants of the World Online . Royal Botanic Gardens, Kew . Retrieved 4 November 2025.
4. Phạm Hoàng Hộ (1999) Cây Cỏ Việt Nam: an Illustrated Flora of Vietnam vol. I publ. Nhà Xuẩt Bản Trẻ, HCMC, VN

External links

• Media related to Pterocymbium at Wikimedia Commons
• POWO: Pterocymbium