Stems 12-45 cm, purple spotted, sparsely pubescent, simple or branched, with 4-7 nodes. Petiole to 3.5 cm; leaf blade ovate to obovate, 6-17 X 3-9 cm, pubescent to sparsely pubescent, base cuneate in basal leaves, attenuate and decurrent and joined across node in distal leaves, margin entire, apex obtuse, vermiform sclereids surrounding vascular bundles; lateral veins 5 or 6 on each side of midrib. Cymes 3-10- or more flowered; peduncle 6-10 cm, glandular pubescent; involucre 1-2.5 cm in diam., outside glandular pubescent. Calyx 5-sect from base; segments equal, lanceolate, 7-9 X 1.2-2.2 mm, outside and margin sparsely glandular puberulent. Corolla outside white, inside purple spotted, ca. 3.2 cm, outside sparsely glandular puberulent, inside with a ring of hairs; tube ca. 2.6 cm; adaxial lip ca. 3.5 mm; abaxial lip ca. 6 mm. Anthers ca. 3.8 mm; staminodes 3, 0.6-2.8 mm. Pistil ca. 2.8 cm; ovary glabrous. Style sparsely glandular puberulent. Capsule 1.6-2.1 cm. Fl. Aug-Sep, fr. Sep-Dec.

* Rocks in montane valley forests; 400-900 m. N Guangdong, S Hunan, S Jiangxi.