普兰无心菜 pu lan wu xin cai

Herbs perennial. Stems many branched at base, usually yellowish, sometimes violet, 8--16 cm, glabrous and lustrous proximally, sparsely white villous distally. Leaves sessile; leaf blade elliptic-ovate, ovate-lanceolate, or elliptic, 5--10 × 1.5--5 mm, densely glandular pubescent abaxially, glabrous adaxially, 1-veined, base rounded, margin ciliate, apex acuminate. Cymes terminal, dichasial, many flowered; bracts herbaceous, similar to leaves but smaller, villous abaxially. Pedicel 1--1.5 cm, densely white glandular hairy. Sepals (4 or)5, ca. 5 × 1 mm, white glandular villous abaxially, margin broadly membranous, apex long acuminate. Petals (4 or)5, white, ovate, apex 2-cleft. Stamens (4 or)5; anthers yellow. Ovary ovoid. Styles 3, linear. Fl. Jul.

* Mountain gravelly and muddy soils. SW Xizang.