Plants cespitose, matted. Stems erect, simple, 5-17(-25) cm, glabrous. Leaves: sheath 1-2 mm, 1-2 times as long as stem diam.; blade lance-linear to oblong or linear, 1-4.5 cm, green, margins glabrous. Inflorescences open, 2-4-flowered cymes, or usually flowers solitary; bracts absent; bracteoles 2 (or 4), green or reddish, lanceolate, ca. 1/ 3/ 4 times as long as calyx, herbaceous, apex acuminate. Pedicels 4-12 mm. Flowers: calyx (45-)50-60-veined, 10-14 mm, glabrous, lobes triangular, 2-4 mm; petals pink to pink-purple, bearded or not, 7-13 mm, apex dentate. Capsules 12-17 mm, exceeding calyx. Seeds 1.2-2 mm. 2n = 30, 60 (Asia).