Herbs perennial. Roots fibrous. Rhizome creeping underground. Sterile stems numerous. Flowering stems erect, slender, 1.5-8 cm. Leaves numerous, alternate, sessile, linear to triangular-lanceolate, 4-7 mm, adaxially papillate-hairy, base dilated and 3- or 4-lobed, apex acuminate. Cyme corymbiform, dense; bracts leaflike. Flowers unequally 5-merous; pedicel 1-3.5 mm. Sepals linear to linear-lanceolate, 4.2-6.5 × 0.9-1.2 mm, adaxially mammillate, base spurless, apex acuminate and spinose. Petals yellow, lanceolate, 7.5-8 × 1.5-1.6 mm, base connate for ca. 0.5 mm, apical mucro 0.2-0.3 mm, occasionally twinned. Stamens 10; antesepalous ones ca. 5.5 mm, inserted on suture of petals; antepetalous ones 3.5-4 mm, inserted ca. 2 mm from petal base. Nectar scales linear-spatulate, apically expanded, ca. 0.5 mm. Carpels erect, ovoid-lanceolate, base connate for 0.9-1.1 mm; ovules 12-15. Seeds obovoid, minutely mammillate. Fl. Sep-Oct, fr. Nov-Dec.

* Rock crevices or rocks in forests, rocks on slopes; 3000-4000 m. W Sichuan, NW Yunnan.