嫩枝无心菜 nen zhi wu xin cai

Herbs perennial, glabrous. Stems branched at base, 4--6 cm; branches ascending. Leaves congested, sessile, lanceolate or ovate-lanceolate, 5--9 mm, veins inconspicuous, base attenuate, margin ciliate, apex acute. Flower solitary, terminal. Pedicel 5--10 mm. Sepals 5, elliptic or lanceolate, 5--6 × ca. 2 mm, margin narrowly membranous, ciliate, apex excurved, obtuse. Petals 5, white or pink, obovate, ca. 1.5 × as long as sepals, base shortly clawed, apex obtuse. Stamens 10; filaments ca. 2/3 as long as sepals; anthers pale yellowish. Ovary ovoid. Styles 3, linear, ca. 5 mm. Fl. May.

* Alpine scrub or meadows; 4200--5000 m. S Xizang.