钩吻 gou wen

Medicia elegans Gardner & Champion in Hooker, J. Bot. Kew Misc. 1: 325. 1849.

Climbers, twining, to 12 m. Petiole 6--12 mm; leaf blade ovate, narrowly ovate, or very narrowly ovate, 5--12 X 2--6 cm, membranous to papery, base broadly cuneate to subrounded, apex acuminate, lateral veins 5--7 pairs. Thyrses with main nodes each having 2 lateral cymes and a continuing main axis; bracts acutely triangular to awl-shaped, to 4 mm, ciliate. Pedicel 3--8 mm. Corolla yellow to orange, 1.2--1.9 cm; tube 7--10 mm, outside brownish, mouth with reddish spots; lobes ovate, 5--9 mm, apex blunt to acute. Stamens inserted at middle of corolla tube; filaments 3.5--4 mm; anthers narrowly ovate, 1.5--2 mm, exserted. Ovary narrowly ovoid, 2--2.5 mm. Style 0.8--1.2 cm; stigma pubescent. Capsules ellipsoid to ovoid, 10--14 X 6--8 mm, smooth, glabrous. Seeds elliptic to reniform, ca. 5.5 mm in diam., central part hairy, winged all around. Fl. May-Nov.

Scrubby forests, thickets; 200--2000 m. Fujian, Guangdong, Guangxi, Guizhou, Hainan, Hunan, Jiangxi, Taiwan, Yunnan, Zhejiang [India, Indonesia, Laos, Malaysia, N Myanmar, N Thailand, Vietnam]

Poisonous.