Herbs perennial, glandular pubescent, rarely glabrous. Stems densely caespitose, many branched; branches leafy. Leaves linear-subulate, 1--2 cm, strongly spreading 3-veined, apex acute. Cymes pedunculate, subumbellate; bracts ovate-subulate, strongly veined. Pedicel usually shorter than sepals. Sepals ovate-lanceolate, shorter than petals, strongly 3-veined, apex acuminate. Petals white, ca. 8 mm, ca. 2 × as long as sepals, apex entire. Capsule ovoid, slightly longer than sepals, valves recurved.