钝萼繁缕 dun e fan lu

Stellaria dichotoma Linnaeus var. rigida Bunge; S. potaninii Krylov.

Herbs perennial, glandular pubescent. Stems tufted, diffuse, quadrangular, 15--30 cm. Leaves sessile, linear to linear-lanceolate, 1--3.5 cm × 1.5--5 mm, both surfaces subglabrous, base narrowed, apex acute. Flowers terminal in few branched dichotomous cymes. Pedicel 1.5--2.5 cm, slender, glandular pubescent. Sepals 5, oblong, 3.5--4 × 1.5--2 mm, outside sparsely glandular pubescent, midvein conspicuous, margin broadly membranous, apex rounded-obtuse. Petals 5, slightly shorter than or subequaling sepals, 2-lobed; lobes oblong-ovate, apex obtuse. Stamens 10, subequaling petals. Styles 3, linear. Capsule ovoid, shorter than persistent sepals, 6-valved. Seeds black-brown, orbicular-ovoid, somewhat compressed, ca. 1.5 mm in diam., tuberculate. Fl. May--Jul.

Stony slopes, stony areas, forests; 500--1800 m. Gansu, Nei Mongol, Xinjiang [Kazakhstan, Mongolia, Russia].