双子素馨 shuang zi su xin

Jasminum forrestianum Kobuski.

Shrubs scandent, to 6 m. Branchlets twisted or 4-angled, glabrous except for minutely hirsute nodes. Leaves opposite, compound and simple, sometimes all simple; petiole 1-1.5 cm; leaf and leaflet blades broadly ovate to ovate-lanceolate, glabrous or tufted hairy in vein axils abaxially, base rounded or subcordate, apex acute or acuminate; primary veins 5-10 on each side of midrib; blade of simple leaves 4-16 × 1.5-7.5 cm; leaflets 3-5, terminal one with petiolule 0.7-2.5 cm, long ovate, 6-15 × 2.5-6.5 cm, lateral ones sessile or short petiolulate, 1.5-7 × 1-3 cm, primary veins 2 or 3 on each side of midrib. Paniculate cymes terminal and many flowered or axillary and 3-20-flowered; bracts linear, 1-5 mm. Pedicel 2-10 mm, glabrous. Calyx glabrous; lobes 5, deltate, ca. 0.5 mm. Corolla pink or purple-red outside, white inside, funnelform; tube 1.1-1.2 cm; lobes 5, ovate, 5-7 mm. Berry purple-black, globose or ovoid, 1-1.3 cm × 6-12 mm. Fl. Mar-Jun, fr. Aug-Apr.

Woods; 1700-2800 m. Xizang, W Yunnan [Bhutan, India, Kashmir, Nepal]