Herbs perennial. Roots with numerous wiry branches at base. Stems pulvinate, 2--3 cm, sparsely hairy. Leaf blade subulate-linear, 5--6 × ca. 1 mm, 1-veined, margin slightly involute, apex acute. Cymes 2-or 3-flowered; bracts ovate, ca. 3 × 1 mm. Pedicel 2--3 mm, sparsely hairy. Sepals 5, lanceolate, ca. 3 × 0.6 mm, sparsely hairy abaxially, with 3 raised veins, base broad-ened, apex obtuse. Petals white, saccate, ca. 4 × 1 mm. Stamens 10; filaments ca. 2 mm; anthers yellow. Ovary bottle-shaped, ca. 2 × 1 mm. Styles 3, ca. 2 mm. Fl. Jun--Jul.