古钩藤 gu gou teng

Trachelospermum cavaleriei H. Léveillé.

Lianas to 6 m, glabrous throughout. Branchlets pale gray, not exfoliating. Petiole ca. 1 cm; leaf blade oblong or elliptic, 10-18 × 4.5-7.5 cm, base broadly cuneate, apex rounded, retuse, or sometimes acute and apiculate; lateral veins ca. 30 pairs. Cymes extra-axillary, paniculate, shorter than leaves. Pedicel 2-5 mm. Sepals broadly ovate, ca. 1.5 × 1 mm; basal glands 10. Corolla greenish yellow or yellow-white; tube ca. 2 mm; lobes linear-lanceolate, ca. 7 × 1.5-2 mm. Corona lobes club-shaped. Anthers hirsute at base. Follicles cylindric, 6.5-9 × 1-2 cm, with 2 longitudinal ridges. Seeds brownish, ovate-oblong, ca. 6 × 3 mm; coma white, ca. 3.5 cm. Fl. Mar-Aug, fr. Jun-Dec. 2n = 22.

Montane forests; 500-1500 m. Guangdong, Guangxi, Guizhou, Yunnan [India, Kashmir, Laos, Myanmar, Nepal, Pakistan, Sri Lanka, Thailand, Vietnam]

The roots and fruits are used for the treatment of chills and edema.