Herbs erect. Stems ca. 80 cm, glabrous, apex purple-red, grooves floccose-pilose. Petiole 0.7-1.8 cm; leaf blade lanceolate to oblong-lanceolate, 3.5-4.5 × 1.2-5.4 cm, ± leathery, adaxially olive green, glabrous, scabrous with age, abaxially glabrescent, densely impressed glandular, base attenuate to obtuse, usually asymmetrical, margin serrate, apex subobliquely caudate-acuminate; veins spreading fine pubescent when young, distinctly netted. Racemes terminal and axillary, 5-7 cm; peduncle 4-10 mm; rachis finely glandular villous; bracts ovate-subulate, ca. 5 mm, slightly reddish, glabrous, margin ciliolate. Pedicel 1-1.5 mm, finely glandular villous. Calyx ca. 4 × 3 mm, puberulent, finely tufted villous at each tooth sinus inside; teeth lanceolate, subequal, ca. 2 mm; posterior tooth subcircular, minute, apex mucronate. Corolla yellowish, ca. 7 mm, puberulent; tube funnelform, pilose annulate slightly below middle, throat to 3.2 mm wide; upper lip straight, ca. 1.5 mm; middle lobe of lower lip ca. 1.1 mm. Stamens much exserted, straight, posterior 2 longer. Ovary glabrous. Fl. Aug-Oct.

* Hills; 1100-2200 m. Sichuan, Yunnan.