Vines [or subshrubs], woody, climbing [or erect]. Leaves alternate, petiolate, blade ovate, margin entire or crenulate. Capitula disciform, small, numerous, in crowded compound-corymbiform synflorescences. Involucre campanulate; phyllaries multiseriate, imbricate, oblong-lanceolate or linear, scabrid, apex obtuse, outer shorter. Receptacles convex [or flat], alveolate, naked, glabrous. Florets fertile; ray florets numerous, lamina white, filiform, shorter than style; disk florets bisexual, yellow, limb narrowly funnelform, 3-5-lobed; anther base obtuse; style branch tips lanceolate. Achenes obovoid, strigillose, margin angled, 3-ribbed. Pappus reddish to cinnamon, of numerous 1-3-seriate, ± equal, barbellate bristles.

About ten species: Africa, Asia; one species in China.

(Authors: Chen Yilin (陈艺林 Chen Yi-ling); Luc Brouillet)