Petiole ca. 2 cm, densely bristly-villous; leaf blade ovate, ca. 3.5 X 2 cm, adaxially densely white puberulent and villous, sparsely brown villous along veins, abaxially white puberulent, densely brown villous along veins, base rounded to cordate, margin irregularly lobulate; lateral veins 3-5 on each side of midrib, conspicuous. Peduncle 5-7 cm, densely brown bristly-villous; bracts lanceolate to ovate-lanceolate, 5-8 X 1-2 mm, brown villous. Calyx 1-1.1 cm, 5-lobed from above middle; lobes triangular, 3-4 mm, outside sparsely brown bristly-villous, margin sometimes sparsely dentate. Corolla ca. 1.7 cm; limb slightly 2-lipped, all lobes subequal, oblong to obovate, 1.5-5 X 2-4 mm. Stamens included, 4-5 mm; filaments glabrous; staminode 1-2 mm. Disc 2.5-3 mm, 2-5-lobed. Pistil 1.3-1.5 cm, glabrous. Capsule ca. 1.2 cm.

* Yunnan (Dayao Xian).