Resumen de A New Species of Heterostemma (Apocynaceae, Asclepiadoideae) from Vietnam
A new species in Apocynaceae, Heterostemma xuansonense T. B. Tran & Joo-Hwan Kim, is described from Vietnam; illustrations and a comparison with related species are also provided. Heterostemma xuansonense distinctly differs from H. grandiflorum Costantin by the flower color, the absence of a peduncle, and the size of the corona.
