Climbers, herbaceous or shrubby, perennial; stems much branched, woody. Leaves simple, broadly ovate to ovate-triangular, unlobed, cordate at the base,. palmately 3 - 7 veined, petioled; petiole prehensile, exauriculate, thickened at the base. Capitula heterogamous, discoid or homogamous, in axillary and tenninal,compound cymes or thyrses. Involucre cylindrical or narrowly campanulate,
bracteolate; involucral bracts 5 - 24, free, herbaceous with, scarious margins. Ray florets yellow, 5 - 6 or 8 or absent, spreading, apically 3-dentate, 4 - 5 veined.
Disc florets white, pinkish or yellow, 8 - 20, tubular, 5-lobed. Anthers linear or linear-oblong, distinctly caudate with tails. Style arms truncate or convex, with
short or long marginal papillae. Achenes cylindrical, ribbed, glabrous. Pappus white, dirty white or rufescent, capillary.
Distributed in Asia, Tropical Africa and China; ca 20 species, 7 in India.