1. Hyptianthera stricta (Roxburgh) Wight & Arnott, Prodr. Fl. Ind. Orient. 1: 399. 1834.
藏药木 zang yao mu
Randia stricta Roxburgh, Fl. Ind. 2: 145. 1824.
Shrubs or small trees, 2-8 m tall; branches flattened becoming angled to subterete, glabrous. Petiole 0.4-1 cm, glabrous; leaf blade drying papery or thinly leathery and usually reddish brown, oblong-lanceolate, elliptic-oblong, or lanceolate, 5-15 × 1-5 cm, adaxially glabrous and slightly shiny, abaxially glabrous or sometimes hirtellous or pilosulous along principal veins, base cuneate to acute, apex acuminate to long acuminate; secondary veins 5-9 pairs; stipules triangular to ovate, 5-8 mm, glabrous, abaxially smooth to weakly keeled, acuminate to shortly aristate. Inflorescences 6-10 mm in diam.; bracts triangular to ovate, 1-2.5 mm, adaxially white strigose, abaxially glabrescent, marginally ciliate, acute to acuminate. Calyx with ovary portion ellipsoid, ca. 0.5 mm, glabrescent; limb outside (i.e., abaxially) strigillose to glabrescent, inside (i.e., adaxially) densely strigillose, deeply lobed, with basal tubular portion 0.5-1 mm; lobes 5, lanceolate to narrowly triangular, 1.75-2 mm, ciliate, shortly acuminate. Corolla abaxially glabrous; tube 1-2 mm; lobes 5, spatulate to subelliptic, 1-2 mm, adaxially white strigose, obtuse or infrequently emarginate. Stigma lobes 1-2 mm. Berry yellowish green, 8-9 × 5-6 mm, puberulent to glabrous; seeds usually 8, ca. 5 × 3 mm. Fl. Apr-Aug, fr. Aug-Feb.
Forests or thickets at streamsides or on mountains; 100-1500 m. Xizang (Mêdog), Yunnan [Bangladesh, Bhutan, India, Laos, Myanmar, Nepal, Thailand, Vietnam].