Research Paper

A new species of Helicteres (Malvaceae) from southern Vietnam

Nghia Son Hoang, Dinh Thach Bui, Tran Nhan Tam Nguyen, Van Son Dang

Published on: 15 June 2020

Page: 321 - 325

DOI: 10.6165/tai.2020.65.321

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2020 vol.65 no.3 pp.321-325


A new species of Helicteres (Malvaceae), H. daknongensis V.S.Dang & D.T.Bui from Gia Nghia district, Dak Nong province, southern Vietnam, is described and illustrated. This species is morphologically similar to H. viscida Blume and H. hirsuta Lour. but differs by having smaller petals and fruits, and different petal colour. A morphological description, photographs and a table comparing the new species with its closely related species are provided, as well as an updated key to Helicteres in Vietnam.

Keyword: Dak Nong, Helicteres daknongensis, Helicteres hirsute, Helicteres viscida, Malvaceae, new species, taxonomy