Pubescent or glabrous annuals, biennials or perennials; stems usually much branched. Leaves usually pinnatifid, often prominently dilated and clasping at base. Heads peduncled, in corymbs or panicles, homogamous. Involucre cylindric or campanulate, inner bracts in 1 series. Receptacle flat, usually naked. Corolla yellow, truncate, 5-lobed. Achenes oblong-linear, rather slender, slightly flattened, 10-20-ribbed, beakless or beaks short. Pappus bristles in 1 series, many, usually silvery, simple, soft, persistent or bristles separately deciduous.
About 40 species in central, eastern and tropical Asia, mainly in the Himalaya; one species represented by three subspecies in Taiwan.
