Description from Flora of China
Perennials. Rhizome internodes conspicuous. Stems decumbent, 32-61 cm, spreading glandular villous and puberulent. Stem leaves 6-17, alternate; petiole 1-11 cm X ca. 1 mm; leaf blade oblique, narrowly to broadly ovate or elliptic, 3-15 X 1.5-6.5 cm, herbaceous, villous and puberulent, eglandular, base oblique rounded to cordate on 1 side, cuneate on other, often slightly peltate, margin serrate, apex acute to acuminate; lateral veins (4 or)5-7 on each side of midrib, inconspicuous. Cymes 2-11-flowered; peduncle 5.5-11 cm, spreading glandular villous and puberulent; bracts 2, free, ovate to lanceolate or narrowly elliptic, 6-14 X 1-4 mm, adaxially nearly glabrous, margin entire, apex acute. Pedicel 1.5-8 mm, spreading glandular villous and puberulent. Calyx 5-sect from base; segments equal, oblong lanceolate, 5-8 X 1-2 mm, outside spreading glandular villous and puberulent, inside nearly glabrous, margin entire, apex acute. Corolla dark purple, 3.3-5.5 cm, outside glandular pubescent and sparsely pubescent, inside glandular puberulent on base of adaxial lip; tube funnelform, ca. 3 X 0.9 cm; adaxial lip 4-6 mm; abaxial lip 1-1.5 cm. Filaments ca. 1 cm, glandular puberulent, densely bearded apically; anthers fused by entire adaxial surfaces, ca. 3.5 mm, woolly; staminodes 2, 7-10 mm. Pistil 3-4 cm, glandular puberulent; ovary 7-9 mm. Stigma obtrapeziform, ca. 4.5 mm, 2-lobed. Capsule at ca. 90 to peduncle, 1.5-2 cm. Fl. Jun, fr. Jul-Aug.
After publication of the family treatment for the Flora of China,
this was treated as Primulina cyrtocarpa (D. Fang & L. Zeng) Mich. Möller & A. Weber (Taxon 60: 781. 2011).
* Hilly regions; 100-200 m. NE Guangxi (He Xian).