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Dinghushan | Family List | Compositae | Cotula

Cotula anthemoides L.

芫荽菊

Description from Flora of China

Herbs, annual, small. Stems with diffuse branches, ± villous with pale brown hairs. Basal leaves petiolate; leaf blade oblanceolate-oblong, 3-5 × 1-2 cm, both surfaces sparsely villous or subglabrous, 2-pinnatisect; primary lateral segments 5-paired; ultimate segments shortly triangular or lanceolate, apex shortly acute. Middle stem leaves similar, base semiamplexicaul. Capitula solitary at apex of branches, axillary or opposite with leaves, ca. 5 mm in diam. Involucres cup-shaped; phyllaries in 2 rows, oblong, with 1 red midvein, margin scarious, outer ones small, inner ones large. Marginal female florets many, without corolla; disk florets few, corolla yellow, 4-lobed. Achenes obovoid, ca. 1.2 mm, dorsiventrally flattened, lateral wings broad and thick, with sessile glands. Pappus absent. Fl. and fr. Sep-Mar of next year. 2n = 20.

Wet places by rivers, paddies; 1000-1100 m. Fujian, Guangdong, Hubei, Sichuan, Taiwan, Yunnan [Cambodia, India, Indonesia, Laos, Myanmar, Nepal, Pakistan, Thailand, Vietnam; Africa].

生活型: 草本

栽培植物: 野生

特征: 一年生小草本;

果期: 4--7

生境: 生于水田或田基、旷草地

门中名: 种子植物门

亚门中名: 被子植物亚门

纲中名: 双子叶植物纲


 

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