纤细山莓草 xian xi shan mei cao

Herbs perennial. Roots slender, much branched. Rhizome sometimes procumbent and creeping underground. Flowering stems 1.5–6 cm tall, densely pubescent. Radical leaves 1–8.5 cm including petiole; stipules brown, membranous, appressed pilose or subglabrous; petiole appressed pilose; leaf blade 3-foliolate; leaflets sessile, green on both surfaces, elliptic or obovate, 3–15 × 2.5–13 mm, both surfaces appressed pilose, base subrounded or broadly cuneate, margin incised serrate, apex obtuse, rarely subtruncate. Inflorescence corymbose, numerous flowered. Flowers ca. 5 mm in diam. Sepals ovate-triangular, apex acuminate; epicalyx segments lanceolate, slightly shorter than sepals, abaxially appressed pilose, apex acute to acuminate. Petals pink, narrowly oblong, apex obtuse. Stamens 5(or 6), inserted away from broad, 5- or 6-fid disk. Style subterminal. Achenes not seen. Fl. Jun.

Open places in Picea forests, ravines; 2500--3600 m. Gansu, Qinghai, Sichuan.