Stems 2.5-7 cm, pubescent. Leaves opposite; petiole 0.2-3 cm; leaf blade oblique, ovate to oblong, 2.5-4.5 X 1.5-3 cm, herbaceous, adaxially puberulent, eglandular, abaxially puberulent along veins, eglandular, base rounded to broadly cuneate, margin denticulate to double denticulate, apex acute to rounded; lateral veins 7 or 8 on each side of midrib. Cymes 2-4-flowered; peduncle 4-5 cm, glandular puberulent; bracts deciduous, free, orbicular-ovate, ca. 2.5 mm, margin entire. Pedicel 4-6 mm. Calyx zygomorphic, ca. 4 mm; limb 2-lipped; tube ca. 2 mm; adaxial lip 3-lobed, trapezoid, ca. 1.8 mm, lobes triangular to narrowly ovate, ca. 1 mm wide; abaxial lip 2-lobed, trapezoid, ca. 1.8 mm, lobes triangular to narrowly ovate, 1.5-2 mm wide, glabrous; tube tuberculate, margin entire. Corolla, stamens, and pistil unknown. Capsule ca. 3 cm. Fr. Nov.

* Damp rocks in valleys; ca. 1800 m. S Yunnan (Yuanjiang Xian).