独脚金 du jiao jin

Buchnera asiatica Linnaeus, Sp. Pl. 2: 630. 1753; Striga asiatica var. humilis (Bentham) D. Y. Hong; S. hirsuta Bentham; S. hirsuta var. humilis Bentham; S. lutea Loureiro.

Annuals, 10-20(-30) cm tall, entirely hirsute. Stems erect, 1, rarely branched. Leaf blade linear to narrowly lanceolate, 5-20 X 1-4 mm, sometimes reduced to scales. Flowers axillary, solitary or in a spike upward. Calyx 4-8 mm, 10-ribbed; lobes 5, as long as tube, subulate. Corolla usually yellow, rarely red or white; tube 0.8-1.5 cm, apically strongly curved; upper lip 2-lobed. Capsule ovoid, enveloped in persistent calyx. Fl. autumn.

Crop fields, waste grasslands; below 800 m. Fujian, Guangdong, Guangxi, Guizhou, Hunan, Jiangxi, Taiwan, Yunnan [Bhutan, Cambodia, India, Nepal, Philippines, Sri Lanka, Thailand, Vietnam; Africa, America].

The whole plant is used for treating intestinal parasites. This species is harmful to crops, particularly to sugar cane.