Roots thick. Stems 30-100 cm tall, stellate pubescent or densely yellow stellate tomentulose. Petiole 1-13 cm; stem leaf blades ovate, 5-23 × 2.5-17 cm, adaxially stellate hispidulous, abaxially stellate pilose or tawny stellate tomentulose, base cordate to rounded, margin crenate to serrate, apex acute to long acuminate. Verticillasters numerous, 6-14-flowered; floral leaves with petiole 3-5 mm, blade 1-3 × 0.5-1.3 cm, margin serrate, upper floral leaves shorter than to as long as verticillasters; bracts few, linear, herbaceous, 3-6 mm, stellate pubescent. Calyx tubular-campanulate, ca. 8 × 5 mm, stellate pubescent outside; teeth double toothed, puberulent at margin, apex subtruncate or emarginate, tufted hairy, spines ca. 1.5 mm. Corolla white with purplish lower lip, ca. 1.3 cm; tube ca. 7 mm, glabrous outside, white tomentose near throat, pilose annulate inside; upper lip ca. 5 mm, margin denticulate, white tomentose outside, bearded inside; lower lip ca. 6 × 7 mm, white tomentose except for margin outside, ovate lobed; middle lobe ca. 4.5 × 3.5 mm. Stamens included; filaments hairy, posterior 2 with a long, upwardly curved, short-spurred basal appendage. Nutlets glabrous. Fl. May-Jul, fr. Jul-Aug.

* Grassy slopes, forests; 2500-3400 m. Sichuan, Yunnan