Herbs perennial. Stems diffuse, tufted, shiny, glabrous, apically sparsely pubescent. Leaves sessile or proximal leaves petiolate, lanceolate or narrowly ovate, 4--12 mm, glabrous, base ciliate, margin cartilaginous, apex acuminate. Flowers 1--3 in cymes; bracts white, ovate-lanceolate, margin broad, apex acute. Pedicel 5--6 mm or longer. Sepals 5, lanceolate, 5--6 mm, margin white, green, or purplish, membranous, apex acuminate. Petals subequaling sepals, 2-cleft. Stamens 10, slightly shorter than petals. Styles 3. Capsule ovoid.

* 4100--5500 m. Xinjiang, Xizang.