Description from Flora of China
Herbs, annual or perennial, or subshrubs; indumentum of medifixed hairs. Leaves alternate, pinnatisect to variously lobed, occasionally entire. Synflorescences cymose; capitula solitary or in lax, ± flat-topped panicles, pedunculate, heterogamous and radiate, rarely homogamous and discoid. Involucres usually ± hemispheric to ovoid; phyllaries in 3 rows, scarious margins narrow. Receptacle convex to narrowly conical, paleate, rarely basally or completely epaleate; palea oblong or subulate, scarious, apex truncate or acute to acuminate. Marginal florets in 1 row, female, fertile; lamina white or yellow [or rarely reddish]. Disk florets many, yellow, rarely reddish, bisexual; corolla tubular, apex 5-lobed. Anther bases obtuse. Style branches truncate. Achenes oblong or obconic, smooth to prismatic to 4 or 5(or 8)-ribbed, dorsiventrally compressed. Corona absent or shallow, often adaxially more developed or forming an adaxial auricle.
Anthemis arvensis Linnaeus (田春黄菊 tian chun huang ju) is cultivated in E China.
About 100(-150) species: mainly in S Europe and SW Asia; one species (introduced) in China.
(Authors: Shi Zhu (石铸 Shih Chu); Christopher J. Humphries, Michael G. Gilbert)