Arenaria arctica Steven ex Seringe in de Candolle, Prodr. 1: 404. 1824.

Herbs perennial, 5--9 cm tall. Stems densely caespitose, glandular pubescent. Leaves linear, 0.6--1.6 cm × ca. 1 mm, those on flowering stems smaller. Flowers solitary, rarely 2. Sepals linear-oblong, 5--7 mm, glandular pubescent. Petals ca. 2 × as long as sepals. Capsule 1.5--2 × as long as sepals. Seeds brownish, reniform-globose, 1--1.5 mm; raphe obtusely tuberculate. Fl. and fr. Jul--Aug.

Hillside rocks; 2200--2400 m. S Jilin (Changbai Shan) [Kazakhstan, Mongolia, N Russia (Far East, Siberia); North America].