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Dinghushan | Family List | Compositae

Dichrocephala L'Herit. ex DC.

金鱼草属

Description from Flora of China

Herbs, annual, prostrate. Leaves alternate, lyrate or entire. Capitula small, disciform, orbicular or oblong, in racemiform or paniculiform synflorescences, rarely solitary. Involucre patelliform; phyllaries 2- or 3-seriate, margins narrowly scarious, fimbriate. Receptacle globose or obconic, swollen, alveolate, naked. Florets fertile; marginal female many seriate, white or yellow, without tube, lamina narrowly cylindric, funnel-shaped, campanulate, or ovoid to urceolate, 2- or 3-lobed; disk florets bisexual, yellow or reddish, tube short, limb narrowly campanulate, 4- or 5-lobed; anther base obtuse; style branch tips lanceolate. Achenes obovoid, compressed, glabrous, sometimes basally and apically glandular, green apically, margins strongly 2-ribbed, of female florets sometimes faintly so. Pappus absent, of disk florets ± coroniform, sometimes with 1 or 2 short setae.

Four species: Africa, tropical Asia; three species in China.

(Authors: Chen Yilin (陈艺林 Chen Yi-ling); Luc Brouillet)

Lower Taxon


 

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