Herbs annual. Roots napiform. Stems branched proximally or unbranched, slender, 5--15 cm, hard, white or violet glandular villous. Leaf blade orbicular, narrowly so, or linear, 5--8 × 1.5--4 mm, base cuneate, margin ciliate proximally, apex obtuse. Cymes sometimes conic, few to many flowered, or sometimes flower solitary. Pedicel erect, slender, 0.5--2.5 cm, hard, glandular villous. Sepals 5, violet or green, lanceolate or ovate-lanceolate, 6--7 × ca. 2 mm, glandular pubescent abaxially, margin broadly membranous, apex obtuse. Petals 5, white or pink, ca. 2 × as long as sepals, apex entire, emarginate, or 2-cleft. Stamens 10, ca. 3/4 as long as petals. Ovary obovoid, ca. 2 mm. Styles 2 or 3, linear, ca. 3 mm. Fl. Jun--Jul.

* Alpine grasslands and meadows; 3000--5100 m. W Sichuan, E Xizang, NW Yunnan.