Herbs perennial. Stems densely tufted, 3--20 cm tall, apically white pilose. Leaves nearly sessile, pale green, linear-lanceolate, 0.7--1.3 cm × 1--3.5 mm, both surfaces glabrous, sometimes distal leaves pubescent, margin glabrous or sometimes ciliate, apex acuminate. Flowers numerous, in dense terminal cymes. Pedicel short, rarely 6 mm, white pilose; bracts herbaceous. Sepals 5, green, lanceolate, (4--)5--6 mm, glabrous or densely white pilose, 3-veined, margin white, apex acuminate. Petals 5, 1.5--3 mm, shorter than sepals, 2-cleft nearly to base; lobes linear. Stamens 10, 1.5--3.5 mm; filaments broadened and glandular at base; anthers purplish, ovoid, ca. 0.3 mm. Ovary ovoid, 0.5--1 mm; carpels 6; styles 3, ca. 2 mm.