Herbs biennial, glabrous. Flowering stems branched or rarely simple, erect, 3-8 cm. Proximal stem leaves crowded, sparse toward stem apex; leaf blade ovate-lanceolate, 4-5 mm, base shortly spurred, apex acuminate. Cyme corymbiform. Flowers 5-merous, rarely unequally so; pedicel 2-3 mm. Sepals free, lanceolate to lanceolate-oblong, subequal, 3.5-4.2 mm, base obtusely long spurred, apex acute. Petals red, obtrullate to narrowly so, 2.5-2.6 mm, base clawed, apex obtuse to acute. Stamens 5, rarely 10 when antepetalous ones inserted between petal claw and limb. Nectar scales linear, 1.3-1.7 mm, apex obtuse to truncate. Carpels oblong, 3-3.5 mm, base connate; ovules many. Seeds obovoid, 0.6-0.7 mm, mammillate. Fl. Jul, fr. Sep.

* Slopes, along rivers; 2400-3300 m. SE Xizang (Zayü Xian), NW Yunnan (Dêqên Xian).