真齿无心菜 zhen chi wu xin cai

Herbs perennial. Principal root branched, conic, robust. Stems erect or diffuse, branched at base, slender, 10--35 cm, sparsely villous. Petiole short; leaf blade linear or linear-lanceolate, 1--2.5 cm × 1--2 mm, margin hairy or not, apex subobtuse; proximal cauline leaf blade often lanceolate or narrowly orbicular, leaf axils usually with sterile branches at anthesis. Flower solitary or cymes 3--5-flowered; bracts similar to leaves but smaller. Pedicel 2--3(--6) cm, glandular pubescent. Sepals 5, lanceolate or orbicular-lanceolate, 8--11 mm, sparsely black villous below middle abaxially, margin membranous, ciliate, apex acute. Petals 5, white or pink, oblanceolate or obovate, 2--2.5 × as long as sepals, base shortly clawed, apex 2- or 3-toothed. Stamens 10; equaling or slightly longer than sepals; anthers red, ca. 1 mm. Ovary globose, 3--4 mm. Styles 2, linear, ca. 4 mm. Fl. Jul--Aug.

* Alpine meadows; 3000--4200 m. NW Yunnan.