尼盖无心菜 ni gai wu xin cai

Herbs annual. Stems prostrate, many branched, 10--20 cm, white pubescent along 1 side. Leaves basally attenuate into a short petiole; leaf blade elliptic, elliptic-lanceolate, or obovate, 5--10 × 1.5--2 mm, midvein raised, base cuneate, margin ciliate, apex obtuse or mucronulate. Cymes axillary, few to many flowered; bracts elliptic or ovate, ca. 5 × 1 mm, herbaceous, villous along veins, midvein raised, base cuneate, apex acute or acuminate. Pedicel 2--8 mm, white pubescent. Sepals 5, ovate, ca. 3 × 1 mm, white villous on veins abaxially, 1-veined, margin white, membranous, apex acuminate. Petals 5, white, oblong, equaling or slightly longer than sepals. Stamens 10, shorter than sepals. Ovary ovoid, ca. 0.7 mm. Styles 3, linear. Fl. Jul.

Abies forests, riverside grasslands, alpine meadows, mountain rock crevices; 3200--4100 m. W Xizang [India, Nepal, Pakistan].