Spergula laricina Linnaeus, Sp. Pl. 1: 441. 1753.

Herbs perennial, 10--30 cm tall. Stems caespitose, procumbent, many branched; branches ascending, glabrous or pubescent. Leaves sessile, linear-subulate, 0.8--1.5 cm × 0.5--1.5 mm, 1-veined, margin sparsely ciliate, apex acuminate. Inflorescence cymose. Pedicel 1--2 cm, shortly hairy; bracts lanceolate. Sepals oblong-lanceolate, 4--5(--6) mm, 3-veined, margin membranous, apex obtuse. Petals white, obovate-oblong, ca. 1.5 × as long as sepals, apex entire or emarginate. Filaments gradually broadened. Capsule suboblong-conical, 7--10 mm, ca. 2 × as long as sepals, 3-valved. Seeds brownish, compressed globose, rugulose striate; raphe fimbriate tuberculate. Fl. Jul--Aug, fr. Aug--Sep.

Betula forests, coniferous forest margins; 400--1600 m. Heilongjiang, Jilin, Nei Mongol [Korea, Mongolia, Russia (Far East, E Siberia)].