Description from Flora of China
Shrubs 1.5-2.5 m tall. Branchlets glabrous. Petiole short or obsolete; leaf blade rhombic-lanceolate, 6-15 × 2-4.6 cm, base cuneate-decurrent, margin crenate-serrate, entire at base, apex acuminate; veins densely puberulent, lateral veins 7- or 8-paired. Spikes 5-13 cm, gray tomentose, glandular; verticillasters short pedunculate, many flowered; bracts subulate, minute, early deciduous. Pedicel ca. 0.5 mm. Calyx campanulate, ca. 1.2 mm, densely gray tomentose, glandular outside, glabrous except for tomentose teeth inside; teeth triangular-subulate, ca. 0.5 mm, subequal. Corolla white, ca. 4 mm, pubescent, glandular outside, bearded annulate inside; tube funnelform, base ca. 1 mm, throat to 1.8 mm wide; upper lip ca. 0.5 mm, apex emarginate; middle lobe of lower lip subcircular, ca. 1 mm, margin erose; lateral lobes subtriangular, obtuse. Nutlets brownish, oblong, ca. 1 mm. Fl. Oct.
* Thicket margins, sparse forests; 1900-2400 m. Sichuan, Yunnan.