卷边紫金牛 juan bian zi jin niu

Shrubs 20(-100) cm tall, stoloniferous. Stems terete, 3-4 mm in diam., densely reddish villous or villous-tomentose. Petiole canaliculate, 2-6 cm, densely villous; leaf blade ovate to elliptic, 10-16 × 5-8 cm, minutely rusty puberulent especially on veins when young, glabrescent adaxially, base rounded, margin serrulate with apiculate teeth reflexed when dry, apex broadly acute; midrib blackish villous or pubescent abaxially; lateral veins 8-13(-15) on each side of midrib, marginal vein evident. Inflorescences subumbellate, grouped in racemes or panicles 5-7 cm; peduncle rusty pubescent; bracts subulate, ca. 8 mm. Flowers pinkish, ca. 4 mm. Pedicel ca. 6 mm. Sepals elliptic-ovate or ovate, 1-1.5 mm, ± punctate, glabrous or puberulent, margin ciliate, apex acute or obtuse. Petals ovate, glabrous, punctate, apex acute or obtuse. Stamens ca. 2/3 as long as petals; anthers lanceolate, apiculate, not punctate dorsally. Ovary pubescent. Fruit dull reddish, globose, ca. 6 mm in diam., without glands or obscurely punctate, pubescent. Fl. Jun-Jul.

Dense broad-leaved forests, hilly areas, shady damp places; 700-1400 m. SE Yunnan [Vietnam]