见霜黄 jian shuang huang

Conyza lacera N. L. Burman, Fl. Indica, 180. 1768; Blumea bodinieri Vaniot; B. chevalieri Gagnepain; B. duclouxii Vaniot; B. glandulosa Candolle; B. subcapitata Candolle; B. velutina (H. Léveillé & Vaniot) H. Léveillé & Vaniot; C. velutina (H. Léveillé & Vaniot) H. Léveillé; Senecio velutinus H. Léveillé & Vaniot.

Herbs, annual or biennial, erect, 20-100 cm tall. Stems simple or more often branched, terete, densely velutinous with silky hairs or glandular trichomes; branches sometimes ascending. Leaves sessile or petiolate, elliptic to oblong, 10-12 × 3.5-4.5 cm, lanate abaxially, tomentose adaxially, base attenuate, margin doubly serrate or sometimes slightly variously lyrately lobed, apex obtuse; veins 5-8 pairs. Capitula 7-8 × 2.5-3.5 mm, in axillary and terminal dense to lax panicles. Involucres campanulate; phyllaries in 2 or 3 series, outer ones shorter, linear-lanceolate, 1.5-2.5 × 0.2-0.3 mm, densely velutinous with multicellular and glandular hairs, inner linear, 4-5 × 0.2-0.3 mm, margins ciliate. Receptacle convex, alveolate, glabrous. Marginal florets ca. 5 mm, 2-5-lobed, limb glandular. Central florets yellowish, 6-7 mm, with 5 triangular lobes, lobes with sessile glands and multicellular hairs. Achenes oblong, sparsely hirsute. Pappus white, ca. 4 mm. Fl. Feb-Jun. 2n = 18, 36.

Common, dry fields, grasslands, roadsides, forest margins; 100-800 m. Fujian, Guangdong, Guangxi, Guizhou, Hainan, Jiangxi, Sichuan, Taiwan, Yunnan, Zhejiang [Bhutan, India, Japan, Laos, Malaysia, Myanmar, Nepal, New Guinea, Pakistan, Sri Lanka, Thailand, Vietnam; Africa, N Australia, Pacific islands (Guam)].