Colona evecta

Colona evecta is a tree species, first described by Pierre, in the genus Colona and now placed in the subfamily Grewioideae. No subspecies are listed in the Catalogue of Life.

Nomenclature

The current name Colona evecta appears to have been coined by Burret, but most Vietnamese texts refer to C. evecta Gagnep. However this is probably a nomen superfluum: Burret and Gagnepain independently transferring the species from one genus to the other. is now available online, and does not mention this species. At the time of writing the Plant List refers to C. erecta Burret as an accepted name with 8 accessions in the Kew Herbarium catalogue also under the latter name .
The Vietnamese name is chàm ron ; in Khmer it is töngoor.

Description

Colona evecta was described from southern Vietnam, it is also found in neighbouring provinces of Cambodia, where the species often survives forest clearing. The tree grows from 6-20m, with radiating pubescent branches and terminal flowers. The bark of young trees is very tough. The leaves are relatively thick, lanceolate, denticulate, glossy on upper sides, with 5–7 mm petioles. The pods have 3–4 wings and are approximately 20–25 mm; the seeds are 6–7 mm.