Perennials, stemless. Rhizome internodes inconspicuous. Leaves basal, opposite; petiole 0.8-8 cm X 2-6 mm; leaf blade elliptic to broadly ovate or obovate, 2.7-13 X 1.9-7 cm, papery, puberulent, eglandular, base broadly cuneate to truncate, margin obtusely dentate to crenate or denticulate, apex acute to rounded; lateral veins 3-5 on each side of midrib, inconspicuous. Cymes 1-12-flowered; peduncle 0.1-13 cm, pubescent to densely pilose; bracts 2, free, ovate to oblong or nearly orbicular, 4-11 X 2.7-7 mm, sparsely puberulent, margin denticulate to entire, apex acute to obtuse. Pedicel 3-11 mm, densely glandular puberulent. Calyx 5-sect from base; segments equal, linear to lanceolate, 4-7 X 1.2-2 mm, outside densely glandular puberulent, inside sparsely puberulent apically, margin 1- or 2-denticulate apically, apex acute. Corolla purple, ca. 3.5 cm, outside puberulent, inside sparsely pubescent basally; tube nearly tubular, 2.5-2.7 cm X 8-9 mm; adaxial lip 6-7 mm; abaxial lip 1.1-1.2 cm. Filaments 1.1-1.4 cm, sparsely glandular puberulent; anthers fused by entire adaxial surfaces, 2.5-4 mm, abaxially bearded; staminodes 2, 4-7 mm. Pistil ca. 2.9 cm, puberulent; ovary 1.1-1.5 cm. Stigma linear, 2-3 mm, 2-lobed. Fruit and seeds unknown. Fl. Jun-Jul.

After publication of the family treatment for the Flora of China, this was treated as Primulina obtusidentata (W. T. Wang) Mich. Möller & A. Weber (Taxon 60: 784. 2011).

* Rocks in evergreen broad-leaved forests in valleys; 200-1200 m. NE Guizhou (Fanjingshan, Jiangkou Xian, Yinjiang Xian), SW Hubei (Laifeng Xian), Hunan.