Herbs biennial. Roots fibrous. Sterile stems present. Flowering stems many branched from base, erect or ascending, ± slender, 4-12 cm. Leaf blade linear-lanceolate to oblong, 4-9 × 1-2.2 mm, basal spur obtuse or 3-lobed, apex spinose-acuminate. Cyme dense; bracts linear-lanceolate to oblong. Flowers unequally 5-merous; pedicel 0.8-1.5 mm. Sepals linear-lanceolate, 3.8-5.6 × 1.1-1.5 mm, base spurless, apex spinose-acuminate. Petals oblong-lanceolate, 5.5-7 × 1.6-1.8 mm, base connate for 0.3-0.5 mm or ± free, apex long acuminate. Stamens 10; antesepalous ones ca. 5 mm; antepetalous ones ca. 4 mm, inserted 1-1.5 mm from petal base. Nectar scales oblong-spatulate, 0.4-0.8 mm, apex retuse to obtuse. Carpels erect, oblong, ca. 6 mm, base connate for 1-1.5 mm, apex attenuate; ovules many. Styles 0.8-1 mm. Seeds oblong, ca. 1 mm. Fl. Aug-Sep, fr. Sep-Oct.

Exposed rocks, rock walls in valleys, stone walls; 2100-3800 m. W Sichuan, E Xizang [Myanmar].