Arenaria kansuensis Maxim. in Bull. Acad. Imp. Sci. St. Petersb. 26: 428. 1880; F. Williams in J. Linn. Soc., Bot. 33: 402. 1898.

Herbs, densely caespitose. Leaves subulate from base, 3-angular, ca 7 mm long, scarious and ciliate along margins, glabrous, pungent; leaves of flowering branches 4 - 5 mm long, almost wholly scarious; upper leaves bract-like, ciliate. Pedicels 4 - 5 mm long, viscid-pubescent. Sepals acute, 6 - 8 mm long, hyaline-margined, 1-nerved. petals elliptic, obtuse, white. Anthers black. Ovary globose. Capsules ovate-oblong, included in calyx; seeds with densely cristate-tuberculate margins and glabrous disc.

Fl. & Fr. Aug. - Sept.

Distrib. India: Alpine Himalayas, 3800 - 4600 m, on rocks. Uttar Pradesh.

Nepal, Bhutan and China (Tibet).