Herbs perennial. Principal roots robust, woody. Stems clustered, pulvinate, 3--4 cm, with crowded, withered, persistent leaves at woody base. Leaf blade subulate, 5--10 × ca. 1 mm, base broadened, clasping, membranous, margin narrowly membranous, sparsely ciliate, apex acute. Flower solitary, terminal; bracts subulate, 3--4 × ca. 1 mm. Pedicel ca. 1 mm, glabrous. Sepals 5, lanceolate, 6--7 × 1.5--2 mm, closely 3-veined near margin, base broadened, margin membranous, apex acute. Petals 5, white, obovate, 4--5 mm, apex obtuse. Floral disc patellate, with 5 ovoid glands. Stamens 10; filaments shorter than petals; anthers violet. Ovary ovoid, ca. 1.5 mm. Styles 3, linear, 2--3 mm. Fl. Jul.