Description from Flora of China
Shrubs, subshrubs, or perennial herbs, gray-white tomentose or glabrous. Leaves alternate on stem, margin obtusely dentate to sharply serrate, palmately veined. Capitula numerous, corymbose, rarely solitary, heterogamous, radiate. Involucres not calyculate, campanulate; phyllaries 1-seriate, equal, margin membranous, apically obtuse or acute. Receptacle flat, without paleae. Ray florets radiate, female, fertile, variously colored but not yellow; central florets bisexual; corolla tubular with campanulate limb, white, cream-colored, or pink (never yellow), 5-lobed. Anthers not caudate, obtuse or sagittate at base; endothecial tissue polarized; antheropodium balusterform (basally distinctly enlarged). Style branches linear with separated stigmatic areas, apically truncate, with short sweeping hairs. Achenes terete (not compressed), elliptic-oblong, glabrous or puberulent, ribbed. Pappus of many fine caducous bristles, sometimes absent in ray florets. x = 30.
Fifteen species: Macaronesia (Azores, Canary Islands, Madeira), one species widely cultivated including in China.
(Authors: Chen Yilin (陈艺林 Chen Yi-ling); Bertil Nordenstam)