Pterocymbium

Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Eudicots
Cladus: Core eudicots
Cladus: Rosids
Cladus: Eurosids II
Ordo: Malvales

Familia: Malvaceae
Subfamilia: Sterculioideae
Genus: Pterocymbium
Species: P. beccarii – P. oceanicum – P. tinctorium – P. tubulatum
Source(s) of checklist:
Singh & al (2013)
Name

Pterocymbium R.Br. (1844)

Type species: Pterocymbium javanicum R.Br.

Synonyms

Heterotypic
Clompanus Rumph. ex Kuntze, Rev. Gen. 77. 1891, nom. illeg. non Aubl. (1775)
Type species: non design.

Note:

The genus is paraphyletic within Scaphium (Wilkie 2006).
References

Brown, R. (1844) Pterocymbium 219 [1].
Singh, B. & al. (2013) Pterocymbium tinctorium (Merrill, 1901) (Magnoliophyta: Malvales: Sterculiaceae: Sterculioideae): New record from mainland India and extension of geographic distribution. Check List 9 (3): 622–625 [2].
Wilkie, P. (2006) Systematic studies in South East Asian Malvaceae, subfamily Sterculioideae. Thesis (Ph.D.). University of Aberdeen.

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[3] currently (2019) lists the following accepted species:

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 n- 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

Brown R (1844) Pl. Jav. Rar. (Bennett) 219. t. 45.
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.
Plants of the World Online: Pterocymbium R.Br. (retrieved 1 April 2019)
Phạm Hoàng Hộ (1999) Cây Cỏ Việt Nam: an Illustrated Flora of Vietnam vol. I publ. Nhà Xuẩt Bản Trẻ, HCMC, VN