一点红(原变种) yi dian hong (yuan bian zhong)

Cacalia sonchifolia Linnaeus, Sp. Pl. 2: 835. 1753; Crassocephalum sonchifolium (Linnaeus) Lessing; Emilia sinica Miquel; Senecio sonchifolius (Linnaeus) Moench.

Involucres 6-12 × 1.5-3.5 mm. Corollas equaling involucre or exceeding it by not more than 2 mm; corolla lobes 0.5-1.5 mm. 2n = 10.

Weedy slopes, roadsides, field margins; 800-2100 m. Anhui, Fujian, Guangdong, Guizhou, Hainan, Hebei, Henan, Hubei, Hunan, Jiangsu, Shaanxi, Sichuan, Taiwan, Yunnan, Zhejiang [pantropical].