西藏茶藨子 xi zang cha biao zi

Shrubs dioecious, 1-3 m tall. Branchlets smooth, pubescent, unarmed. Buds purple or brown, narrowly ovoid, 6-8 mm, apex obtuse or acute. Petiole 1.5-2 cm, glabrous or puberulent and sparsely glandular pubescent; leaf blade broadly ovate, 1.5-3 × 1.8-4 cm, sticky glandular or stalked glandular, base subtruncate to shallowly cordate; lobes 3-5, triangular to ovate, margin irregularly serrulate or doubly serrulate; terminal lobe equaling or slightly longer than lateral ones. Racemes erect or slightly pendulous, male ones 2-5 cm, 5-15(-20)-flowered, female ones 2-3 cm, 5-9-flowered; rachis and pedicels pubescent and glandular pubescent; bracts elliptic, rarely obovate-oblong, 4-7 mm, pubescent, 1-veined. Flowers 4-6 mm in diam.; pedicel 2-4 mm. Calyx dark purple, glabrous, rarely puberulent; tube pelviform, 1.4-1.8 mm; lobes erect, ligulate to ovate, 2-3(-3.5) mm. Petals purple, subflabellate. Stamens slightly longer than petals. Ovary puberulent and glandular pubescent. Style 2-lobed. Fruit orange-red to purple, globose, 0.6-0.9 cm, puberulent and glandular pubescent then glabrescent. Fl. May-Jun, fr. Jul-Aug.

* Forests, thickets on high mountain slopes, mountain valleys; 3500-4600 m. Xizang.