2a. Potentilla glabra var. glabra
银露梅(原变种) yin lu mei (yuan bian zhong)
Potentilla fruticosa Linnaeus var. dahurica Seringe; P. fruticosa var. mongolica Maximowicz; P. fruticosa var. tangutica Th. Wolf; P. glabra var. rhodocalyx H. R. Fletcher; P. glabrata Willdenow ex Schlechtendal.
Leaflets elliptic, obovate-elliptic, or ovate-elliptic, 0.5–1.2 cm × 4–8 mm, both surfaces sparsely pilose or glabrescent, base cuneate or rounded, margin entire, flat or slightly revolute, apex obtuse or acute. Flowers 1.5–2.5 cm in diam. Sepals ovate, apex acute or shortly mucronate; epicalyx segments lanceolate, obovate-lanceolate, or ovate, shorter than or nearly equaling sepals. Petals white, obovate, apex rounded. Fl. and fr. Jun–Nov.
Forests, thickets, meadows on mountain slopes, among rocks in valleys; 1400--4200 m. Anhui, Gansu, Hebei, Hubei, Nei Mongol, Qinghai, Shaanxi, Shanxi, Sichuan, Yunnan [Korea, Mongolia, Russia].