[Botany • 2017] Oreocharis caobangensis • A New Species (Gesneriaceae) from Cao Bang Province, northern Vietnam

Oreocharis caobangensis

T.V.Do, Y.G.Wei & F.Wen

DOI: 10.11646/phytotaxa.302.1.6 

Abstract

A new species of Oreocharis (Gesneriaceae) from Cao Bang province, northern Vietnam is described and illustrated. The new species, Oreocharis caobangensis, is most similar to O. lungshengensis, but it can be easily distinguished from the latter by its petioles densely brownish villous, lateral veins 6–8 pair on each leaf blade, bracts smaller (1.5–2 mm long), corolla outside pubescent and pistil glabrous, 18–20 mm long.

Keywords: Flora of Vietnam, Gesneriaceae, new taxon, Oreocharis, Eudicots, Vietnam

Habit of Oreocharis caobangensis.

Photograph by F. Wen 

Oreocharis caobangensis T.V.Do, Y.G.Wei & F.Wen, sp. nov.  

Etymology:— The specific epithet refers to Cao Bang Province in northern Vietnam where Oreocharis caobangensis was found. The type location of this new species is in Phia Oac-Phia Den National Park, a famous national park in Cao Bang Province.

Truong Van Do, Yi-Gang Wei and Fang Wen. 2017. Oreocharis caobangensis (Gesneriaceae), A New Species from Cao Bang Province, northern Vietnam.
Phytotaxa. 302(1); 65–70. DOI: 10.11646/phytotaxa.302.1.6