Alsine media Linnaeus, Sp. Pl. 1: 272. 1753; Stellaria monogyna D. Don.

Herbs annual or biennial. Stems 10--30 cm tall. Basal leaves long petiolate, distal leaves sessile or shortly petiolate; leaf blade ovate, 1.5--2.5 × 1--1.5 cm, apex acuminate. Stamens 3--5, shorter than petals. Styles 3, linear. Capsule ovoid, slightly longer than persistent sepals, 6-valved. Seeds numerous, red-brown, ovoid to suborbicular, slightly compressed, 1--1.2 mm in diam., semiglobose-tuberculate. Fl. Jun--Jul, fr. Jul--Aug. 2n = 40, 42, 44.

Fields. Anhui, Fujian, Gansu, Guangdong, Guangxi, Guizhou, Hebei, Henan, Hubei, Hunan, Jiangsu, Jiangxi, Jilin, Liaoning, Nei Mongol, Ningxia, Qinghai, Shaanxi, Shandong, Shanxi, Sichuan, Xizang, Yunnan, Zhejiang [Afghanistan, Bhutan, India, Japan, Korea, Pakistan, Russia, Sikkim; Europe].