Herbs annual, glabrous. Flowering stems branched from base, erect or ascending, 2-4 cm. Leaf blade broadly linear to oblong, 2.5-4.8 mm, basal spur broad and truncate, apex obtuse. Cyme corymbiform, 4-12-flowered; bracts broadly linear to oblong. Flowers unequally 5-merous; pedicel 1-3 mm. Sepals blackish brown spotted, subovate to broadly lanceolate, 2.8-3 mm, base spurless, apex obtuse. Petals yellow, suboblong, 3.7-4 mm, base subconnate and slightly narrowed, apex obtuse and obscurely mucronate. Stamens 10; antesepalous ones 2.9-3.2 mm; antepetalous ones inserted ca. 1.2 mm from petal base. Nectar scales linear-spatulate, ca. 0.7 mm, apex obtuse. Carpels obovoid, 2.8-3 mm, base subconnate. Follicles 2.8-3 mm, 2- or 3-seeded; placenta lunulate. Seeds obovoid-oblong, 0.9-1.2 mm, mammillate. Fl. Aug-Sep, fr. Sep.

* Grassland slopes; 3700-4600 m. S Qinghai (Zadoi Xian), W Sichuan (Kangding Xian).