Aristolochia versicolor S.M. Hwang (Aristolochiaceae), a new record for the flora of Vietnam

Abstract

Aristolochia versicolor S.M. Hwang (Aristolochia subg. Siphisia), a medicinal plant, which was previously known from southern China and north-eastern Thailand, is reported herein as a new record for the flora of Vietnam. Detailed descriptions, colour illustrations, type specimen, habitat and phenology, distribution, conservation status, and morphological comparison with A. westlandii are also provided.