Herbs perennial. Stems ca. 45 cm, base prostrate, ± flexuous, stramineous, densely white pilose and strigose; axillary branchlets 1-3 cm, sterile. Petiole slender, 2-5.5 cm; leaf blade rhombic-ovate, 3.5-6 × 2.5-4.5 cm, papery, adaxially sparsely appressed bristly, strigose on veins, abaxially densely white bristly, with scattered glands, base cuneate, margin coarsely serrate, apex acuminate. Cymes 2- or 3-flowered, short pedunculate, in compact ovoid panicles 2.5-3 cm; floral leaves short petiolate, ca. 8 × 5 mm; bracts and bracteoles ca. 4 × 1 mm. Calyx ca. 5 × 1.5 mm, densely pilose, 5-veined; teeth triangular-subulate, ca. 1 mm, equal, slightly curved, posterior tooth ca. 3 × as long as other teeth. Corolla white or yellow-green, ca. 2.2 cm, slightly puberulent, glandular; tube slender, ca. 1.4 cm, throat abruptly dilated; upper lip semicircular, ca. 8 mm, apex emarginate; lower lip ca. 8 mm, middle lobe obovate, 2.5 × 2 mm; lateral lobes subcircular, ca. 2 mm wide. Nutlets unknown. Fl. Aug.

* Shady areas in forests; ca. 2500 m. Sichuan.