Stellaria wutaica Handel-Mazzetti.

Herbs perennial, glabrous. Stem solitary, 5--15 cm tall, branched. Leaves elliptic, 1.5--2 cm × 4--5 mm, both surfaces glabrous, base cuneate, slightly clasping, apex obtuse or acute. Flowers 3--10, in cymose umbel; bracts 3--5, ovate, nearly membranous. Pedicel filiform, 0.5--2 cm, slightly longer in fruit. Sepals 5, green, lanceolate, 2--3 mm, margin membranous, apex acuminate. Petals absent. Stamens 10, shorter than sepals. Ovary cylindric-ovoid; styles 3, linear, short. Capsule subequaling persistent sepals, 6-valved. Seeds reniform, slightly compressed, rugulose, without protuberances. Fl. Jun--Jul, fr. Jul--Aug. 2n = 26.

Montane grasslands, forests, steppes; 1600--3800(--5000) m. Gansu, Hebei, Qinghai, Shaanxi, Shanxi, Sichuan, Xinjiang, Xizang [Kazakhstan, Russia; North America].