Herbs perennial. Roots robust, woody. Stems clustered, pulvinate, 2--3 cm, woody at base, with crowded, withered, persistent leaves proximally. Leaf blade subulate, 4--5 × ca. 1 mm, base membranous, margin involute, apex spinose. Flower solitary, sessile; bracts lanceolate, 4--5 × ca. 1 mm. Sepals 5, lanceolate, 4--5 × ca. 2 mm, 1-veined, apex acuminate. Petals 5, white, saccate, shorter than sepals. Floral disc with 5 glands. Stamens 10, 5 long and 5 short. Ovary obovoid, ca. 1.5 mm. Styles 3, linear, ca. 3.5 mm. Fl. Jun--Jul.

* Beneath rocky cliffs; ca. 4400 m. SE Qinghai.