Annuals or biennials, 2-5 cm tall. Stems erect, rigid, fastigiate-branched from base, flowering branches crowded into a capitulum, papillate toward apex. Basal leaves with petiole 1-3 mm; leaf blade spatulate, oblanceolate, or obovate, 0.5-2.2 cm × 3-13 mm, densely pubescent, margin densely ciliolate, apex rounded, midvein prominent. Stem leaves petiolate; leaf blade 5-11 × 1.5-3.5 mm, smaller toward apex, densely pubescent, margin densely ciliolate, apex rounded, midvein distinct. Lower stem leaves widely spaced, shorter than internodes, leaf blade spatulate to obovate; upper leaves crowded, leaf blade elliptic. Flowers many, subsessile. Calyx narrowly obconic, 7-8 mm, outside pubescent; lobes narrowly triangular, 3-3.5 mm, almost as long as tube, equal, margin membranous and densely ciliolate, apex acute, midvein prominent. Corolla pale yellow, tubular, 8-9 mm, scarcely exceeding calyx; lobes ovate, 1.5-2 mm, margin entire, apex obtuse; plicae ovate, 0.8-1 mm, margin entire or crenulate, apex obtuse. Stamens inserted at middle of corolla tube, equal; filaments 1.2-1.5 mm; anthers ellipsoid, 0.4-0.6 mm. Style 1-1.2 mm; stigma lobes linear. Capsules narrowly obovoid to obovoid, 4-4.5 mm; gynophore to 5 mm, stout. Seeds brown, ellipsoid to ovoid, 0.7-1 mm. Fl. and fr. Apr.

* Hillsides; 1800-1900 m. Yunnan (Kunming Shi).