Arenaria debilis Hook. f., Fl. Brit. India 1: 242. 1874. A. benthamii Edgew. in Fl. Brit. India 1: 242. 1874, non Fenzl ex Torrey & A. Gray 1840. Odontostemma glandulosa Benth. ex G. Don, Gen. Hist. 1: 449. 1831. A. glandulosa (Benth. ex G.Don) F. Williams in I. Linn. Soc., Bot. 33: 431.1898, non Jacq. 1798. A. blinkwotthii J. McNeill in Notes R. Bot. Gard. Edinb. 24: 128. 1962.

Herbs, slender, erect, branched or unbranched, 7 - 90 cm high, glandular-pilose. Leaves ovate, elliptic or oblanceolate, narrowed at base, subacute or obtuse at apex, 1.5 - 3 x 0.3 - 1 cm, ciliate along margins, pubescent; lower leaves petiolate; upper ones sessile. Flowers few or many, nodding, 0.6 - 1.2 cm across; pedicels divaricate, ciliate. Sepals oblong or linear-lanceolate, 4 - 5 x 2 mm, glandular, narrowly scarious-margined. Petals obovate-spathulate, lacerate at apex and margin, 4 - 8 x 2 mm, white. Filaments dilated below. Styles 2. Capsules 4-valved, shorter than the sepals; seeds few, ovoid or rounded, flat, brownish, ca 1.5 x 2 mm.

Fl. May - Sept.; Fr. Oct.

Distrib. India: Alpine and temperate Himalayas, 3000 - 5000 m, river banks and forest clearings. Uttar Pradesh and Sikkim.

Nepal, Bhutan and China (Tibet).