Annuals 2-3.5 cm tall. Stems prostrate to ascending, 1 × dichotomously branched from base, papillate. Basal leaves with petiole 1-2 mm; leaf blade involucriform, ovate-orbicular, 6-10 × 5-7 mm, margin indistinct, membranous, and ciliolate, apex rounded with a recurved tip; veins 3-5, distinct, slender. Stem leaves 2-4 pairs, recurved; petiole tube 1-1.5 mm; leaf blade obovate-orbicular, 3-7 × 2-4 mm, equal or slightly longer than internodes, margin narrowly membranous and ciliate, apex rounded with a recurved tip, veins distinct. Flowers few; subsessile to pedicel ca. 6 mm, surrounded by upper leaves, papillate. Calyx narrowly obconic, 3.5-4.5 mm; lobes triangular, 1.2-1.7 mm, margin narrowly membranous and ciliate, apex acute, midvein indistinct. Corolla purple, tubular to funnelform, 7-10 mm; lobes ovate, 1.5-2 mm, margin entire, apex obtuse; plicae ovate, 0.5-1 mm, margin entire, apex subacute. Stamens inserted at middle of corolla tube, unequal; filaments 2.8-3.5 mm; anthers ovoid, 0.6-0.8 mm. Style 0.5-1 mm; stigma lobes oblong. Capsules narrowly obovoid to obovoid, 4.5-5.5 mm; gynophore to 5 mm. Seeds brown, triquetrous-ellipsoid, 1.2-1.5 mm. Fl. and fr. Jul.

* Rhododendron scrub; 4100-4300 m. N Sichuan.