Description from Flora of China
Perennials, stemless. Rhizome internodes inconspicuous. Leaves basal, opposite; petiole 2-8.5 cm X 3-7 mm; leaf blade oblique, ovate to orbicular, rarely oblate, lanceolate, or oblanceolate, 4-10 X 3.5-11 cm, herbaceous, adaxially puberulent and appressed pilose, eglandular, abaxially sparsely puberulent to velutinous, base oblique, broadly cuneate to cordate, margin denticulate to dentate, crenate, or serrate, apex acute to rounded; lateral veins 3-5 on each side of midrib, inconspicuous. Cymes (1 or)2-5-flowered; peduncle 6-28 cm, pubescent to appressed pilose; bracts 2, free, narrowly elliptic to lanceolate, ovate, or narrowly triangular, 5-11 X 1-3(-7) mm, pubescent, margin entire, apex acute. Pedicel 0.5-3.8 cm, pubescent. Calyx 5-sect from base; segments equal, lanceolate-linear to narrowly ovate, 7-11(-15) X 1.5-3 mm, puberulent, margin often denticulate to serrate apically, apex acute to acuminate. Corolla blue, purple, to pinkish green, (3.5-)4.2-6.4 cm, outside basally sparsely puberulent, inside puberulent below adaxial lip on 2 purple lines; tube narrowly funnelform, 2.5-3.8 X 0.8-1.4 cm; adaxial lip 0.7-1.2 cm; abaxial lip 1.5-2.4 cm. Filaments ca. 1.3 cm, apex sparsely puberulent to glabrous; anthers fused by entire adaxial surfaces, ca. 4 mm, sparsely bearded; staminodes 2 or 3, ca. 4 mm. Pistil ca. 2.7-3.2 cm, densely puberulent; ovary 2-2.6 cm. Stigma obtrapezoid, 2-3 mm, 2-lobed. Capsule erect, 4-8 cm. Fl. Mar-Apr, fr. Apr-Jun.
* Rocks or cliffs in forests or montane streamsides; 400-1000 m. Fujian, N Guangdong, N and S Guangxi, S Guizhou, Hunan, Jiangxi.