Decaneuropsis

Perennial plants. Stems scandent, young branches terete, pubescent or glabrous. Leaves simple, alternate, petiolate, pubescent with uniseriate hairs; lamina ovate, lanceolate or elliptic; margin entire, apex acute or acuminate, base cuneate, subcoriaceous. Capitulescences terminal or axillary. Capitula discoid, homogamous, pedunculate, florets bisexual and fertile. Involucre campanulate, in 4–6-series. Phyllaries imbricate, 7–12 mm long, persistent, lacking glands. Corollas funnelform, purple or white, actinomorphic, corolla basal tubes slender, closely investing style shaft; corolla lobes 5. Anthers 5, syngenesious. Styles 2-branched, inner surface covered with stigmatic papillae, outer surface covered with sweeping hairs on the outer surface reaching below style bifurcation. Achenes clavate or turbinate, 10-ribbed, hairy, without glands, carpopodium present. Pappus in 2 series of bristles. Pollen subechinolophate, 3-colporate, with micropuncta. Three species are recognized in Thailand.

Decaneuropsis is a genus of Asian plants in the tribe Vernonieae within the family Asteraceae. Some authorities consider the group part of the genus Vernonia.

Species Decaneuropsis andamanica (Balakr. & Nair) H.Rob. & Skvarla - Andaman Islands Decaneuropsis andersonii (C.B.Clarke) H.Rob. & Skvarla - Thailand Decaneuropsis blanda (DC.) H.Rob. & Skvarla - Himalayas, southwestern China, Indochina Decaneuropsis chingiana (Hand.-Mazz.) H.Rob. & Skvarla - Guangxi Decaneuropsis craibiana (Kerr) H.Rob. & Skvarla - Thailand Decaneuropsis cumingiana (Benth.) H.Rob. & Skvarla - southern China, Indochina Decaneuropsis eberhardtii (Gagnep.) H.Rob. & Skvarla - Vietnam Decaneuropsis garrettiana (Craib) H.Rob. & Skvarla - Thailand Decaneuropsis gratiosa (Hance) H.Rob. & Skvarla - Fujian, Taiwan Decaneuropsis obovata (Gaudich.) H.Rob. & Skvarla - Timor Decaneuropsis philippinensis (Rolfe) H.Rob. & Skvarla - Philippines Decaneuropsis vagans (DC.) H.Rob. & Skvarla - Myanmar, Assam