瑞丽紫金牛 rui li zi jin niu

Shrubs 1-2 m tall, without creeping rhizomes, rusty scaly on branchlets, abaxial leaf surface and inflorescence rachis. Branchlets semiterete, 5-7 mm in diam. Petiole canaliculate, 1-1.5 cm; leaf blade oblong or elliptic, 8-15 × 4-5 cm, membranous, densely black punctate and punctate-lineate, especially abaxially, base cuneate, margin undulate-crisped or subentire, punctate, with a few vascularized marginal nodules, apex acuminate; lateral veins ca. 15 on each side of midrib, marginal vein absent. Inflorescences terminal, paniculate, branches cymose, on specialized, 2- or 3-leaved lateral branches 7-11(-14) cm. Flowers membranous, white, ca. 7 mm. Pedicel 1-1.3 cm, clavate, glabrous. Sepals ovate or elliptic, 1.2-2 mm, punctate, margin entire, glabrous, apex broadly obtuse or rounded. Petals nearly free, ovate or narrowly ovate, margin entire, inconspicuously punctate, apex acute. Stamens ca. 3/4 as long as petals; filaments much shorter than anthers; anthers lanceolate, longitudinally dehiscent, not punctate dorsally, apex apiculate. Pistil subequalling petals; ovary glabrous; ovules ca. 6, uniseriate. Fruit red, globose, ca. 7 mm in diam., pellucid punctate. Fl. May-Jun, fr. Nov-Dec.

Mixed forests, hillsides, damp places; 1700-2300 m. SW Yunnan [India]