东方草莓 dong fang cao mei

Fragaria corymbosa Losinskaja; F. uniflora Losinskaja.

Herbs perennial, 5–30 cm tall. Stems together with petioles spreading pilose, more densely so in upper parts, sometimes glabrescent. Leaf blade 3-foliolate; leaflets subsessile, abaxially greenish, adaxially green, obovate or rhombic-ovate, 1–5 × 0.8–3.5 cm, abaxially pilose, more densely so on veins, adaxially sparsely pilose, base cuneate on central leaflet, oblique on lateral ones, margin incised serrate, apex rounded or acute. Inflorescence corymbiform, (1 or)2–5(or 6)-flowered, with a pale green or petiolate, leafletlike bract at base. Flowers bisexual, rarely unisexual, 1–1.5 cm in diam.; pedicel 0.5–1.5 cm, spreading pilose. Sepals ovate-lanceolate, apex caudate; epicalyx segments linear-lanceolate, occasionally 2-fid. Petals white, suborbicular, base tapering into a short claw. Stamens 18–22, subequal. Carpels numerous. Aggregate fruit ripening purple, hemispheric; persistent sepals spreading or slightly reflexed. Achenes ovoid, ca. 0.5 mm wide, prominently rugose or only so at base. Fl. May–Jul, fr. Jul–Sep. 2n = 28.

Forests, meadows on mountain slopes; 600--4000 m. Gansu, Hebei, Heilongjiang, Jilin, Liaoning, Nei Mongol, Qinghai, Shaanxi, Shanxi [Korea, Mongolia, E Russia].