Description from Flora of China
Herbs biennial, glabrous. Roots fibrous. Stems branched from base, suberect, 3.5-15 cm. Leaf blade oblong, 5-13 × 2-6 mm, base obtusely spurred, apex obtuse. Cyme corymbiform with ± scorpioid cymes, lax, many flowered; bracts oblong. Flowers unequally 5-merous; pedicel to 3.5 mm. Sepals oblong to oblong-obovate, unequal, 3-5 × 1.1-2 mm, sometimes papillate apically, base obtusely spurred, apex obtuse. Petals free, yellowish, ovate-lanceolate, 3.5-3.8 × ca. 1 mm, apex obtuse. Stamens 10; antesepalous ones ca. 2.7 mm; antepetalous ones ca. 2 mm, inserted ca. 0.7 mm from petal base. Nectar scales oblong, 0.6-0.9 mm, apex emarginate, sometimes dilated. Carpels oblong, ca. 6 mm, base connate for ca. 0.7 mm, apex abruptly tapered. Styles 0.5-0.7 mm. Follicles 12-15-seeded. Seeds ovoid-oblong, ca. 0.7 mm, minutely mammillate. Fl. Aug-Sep, fr. Sep.
Forested slopes, shady rocks in forests, alluvial beaches; 2200-4500 m. C Gansu, C Ningxia, Qinghai, SE Xizang [Nepal].