海南香花藤 hai nan xiang hua teng

Aganosma montana Kerr; A. navaillei (H. Léveillé) Tsiang; A. odora Tsiang; A. radiata Merrill; A. schlechteriana var. breviloba Tsiang; A. schlechteriana var. leptantha Tsiang; Trachelospermum navaillei H. Léveillé.

Lianas to 9 m. Young branchlets puberulent, soon glabrous. Petiole 1-1.5 cm; leaf blade elliptic, narrowly elliptic, or ovate, 6-14 X 2.5-5.5 cm, leathery, glabrous or puberulent when young, base cuneate or broadly so, apex acute to acuminate; lateral veins ca. 10 pairs. Cymes terminal, 3-branched, 4-9 X 6.5-15 cm, pubescent. Calyx pubescent, with several basal glands inside margin of sepals; sepals 1-1.2 cm, longer than corolla tube. Corolla white, tube 5-9 mm, slightly dilated at base, glabrous at throat; lobes obovate, 4-16 mm, apex rounded to obtuse. Stamens inserted at base of corolla tube; disc cup-shaped or 5-lobed. Ovary pubescent, shorter than disc. Follicles 2, cylindric, to 30 cm X 5-10 mm, pubescent when young, glabrous when older. Seeds oblong, flat, ca. 2 cm, coma 3.5-5 cm. Fl. Mar-Jul, fr. Aug-Dec.

Sparse woods, montane forests, brushwoods; 200-1800 m. Guangxi, Guizhou, Hainan, Sichuan, Yunnan [India, Myanmar, Thailand, Vietnam].