昆仑毛茛 kun lun mao gen

Herbs perennial. Roots fibrous, subequally thick. Stems 3--10 cm, white puberulent, branched or simple. Basal leaves 3--5; petiole 1.4--3 cm, glabrous or puberulent above; blade ovate or narrowly ovate, 0.7--2 × 0.4--1.5 cm, papery, glabrous except for ciliate margin, base rounded or broadly cuneate, margin 1--3-dentate on each side or entire, apex acute. Stem leaves 2 or 3, lowermost similar to basal ones but short petiolate; upper 2 short petiolate or sessile, 3-sect, segments lanceolate-linear. Flowers solitary, terminal, ca. 1.4 cm in diam. Receptacle puberulent. Sepals 5, broadly elliptic, ca. 5 mm, abaxially puberulent. Petals 5, narrowly obovate or obovate, 6.5--8 × ca. 3.8 mm, nectary pit without a scale, apex rounded. Stamens numerous; anthers oblong. Aggregate fruit ellipsoid, ca. 5 mm in diam. Achene ovoid, ca. 2 × 1.5 mm, sparsely puberulent, upper margin narrowly winged; style persistent, short. Fl. Jun--Jul.

* Slopes, bases of rocky cliffs; 4000--4300 m. S Xinjiang.