Herbs. Roots conic, slender. Stems erect or ascending, many branched, slender, 10--15 cm, nodose glandular villous. Petiole short; leaf blade elliptic to broadly elliptic-saccate, 5--10 mm, both surfaces tuberculate, margin nodose ciliate, apex obtuse. Cymes few flowered; bracts ovate, 2--4 × 1--2 mm, margin ciliate, apex acute. Pedicel 0.5--2 cm, densely glandular pubescent. Sepals 5, lanceolate, 4--5 × 1--2 mm, sparsely glandular pubescent abaxially, base broadened, margin membranous, apex obtuse. Petals 5, obovate, ca. 1 cm, apex irregularly shortly toothed. Stamens 10, longer than sepals; anthers dark yellow. Ovary ovoid, ca. 2 mm. Styles 2. Fl. Jul--Aug.

* Mountains; ca. 2900 m. W Yunnan.