无瓣繁缕 wu ban fan lu

Alsine pallida Dumortier, Fl. Belg. 109. 1827.

Herbs annual or biennial. Stems usually decumbent, sometimes ascending, basal branches with 1 line of villous nonglandular hairs. Middle and distal leaves sessile, proximal leaves long petiolate; leaf blade suborbicular, small, 5--8(--15) mm, both surfaces glabrous, base cuneate, apex acute. Flowers in terminal dichotomous cymes. Pedicel slender. Sepals lanceolate, rarely ovate-lanceolate, 3--4 mm, ± densely pubescent, rarely glabrous, apex acute. Petals absent or minute. Stamens 3--5, rarely absent. Styles very short. Seeds pale red-brown, minute, 0.7--0.8 mm in diam., minutely tuberculate, margin shallowly serrate or smooth. 2n = 22.

Fields. Jiangsu, Xinjiang [Asia, Europe].

Chinese records of Stellaria apetala Ucria (e.g., in FRPS) are almost certainly referable to S. pallida .