Description from Flora of China
Herbs perennial, glabrous. Roots fibrous. Sterile stems 0.2-0.3 cm. Flowering stems branched, ascending, 5-10 cm. Proximal stem leaves soon withered; leaf blade linear, 4-7 × 0.5-0.8 mm, base truncately and obtusely spurred, apex acute. Cyme corymbiform, several flowered; bracts linear. Flowers unequally 5-merous; pedicel slender, 4-6 mm. Sepals lanceolate, 4-6 × 1.2 mm, base shortly spurred, apex acute. Petals yellow, lanceolate, 6-10 × ca. 1.8 mm, base connate for ca. 1.2 mm, apex subacuminate and mucronate. Stamens 10; antesepalous ones 5.5-7.5 mm; antepetalous ones 3-4.5 mm, inserted 2.5-3 mm from petal base. Nectar scales oblong-spatulate, apex obtuse to retuse. Carpels oblong, base connate for 2-3 mm; ovules 4-6. Seeds ovoid, ca. 1 mm, mammillate, wingless. Fl. Jul-Sep, fr. Sep-Oct.
* Forested slopes, rocks in ravines; 1000-2500 m. W Henan, S Shaanxi, Sichuan, Yunnan.