Cushion-forming, densely tufted perennial. Stem very short, woody, densely leafy, glabrous. Leaves fasciculate, 5-10 mm, the lower leaves brown and withered, subulate, acute, base with a broad scarious margin, minutely ciliate. Flowers solitary, shortly pedicellate. Sepals 6-6.5 mm, lanceolate, glabrous, acute, 3-nerved; nerves greenish with scarious margins. Petals white, longer than the sepals, obovate. Styles 3. Capsule included in the calyx.