The genus Decaneuropsis of the Asteraceae, Vernonieae, subtribe Gymnantheminae, is named as new, with the transfer of 12 species from southeast Asia and Malaysia. Combinations are provided for the type species, Vernonia cumingiana, and I I other known members of the genus, V andamanica, V. andersonii, V blanda, V chingiana, V craibiana, V eberhardtii, V. garrettiana, V. gratiosa, V. obovata, V. philippinensis, and V. vagans.