Description from Flora of China
Perennials, stemless. Rhizome internodes inconspicuous. Leaves basal, opposite; petiole 0.8-2.8 cm X 3-5 mm; leaf blade narrowly elliptic, 3.5-8.5 X 1-2.5 cm, papery, adaxially densely appressed pilose with hairs 1-1.8 and 0.3-0.5 mm, eglandular, abaxially densely puberulent, base attenuate, margin entire, apex acute; lateral veins ca. 5 on each side of midrib, inconspicuous. Cymes 2-4-flowered; peduncle 5-7.8 cm, spreading puberulent and glandular puberulent; bracts 2, free, triangular-linear, 5-13 X ca. 1.5 mm, pubescent, margin entire, apex acute. Pedicel 2.7-5 cm, glandular puberulent and pilose. Calyx 5-sect from base; segments equal, narrowly triangular-linear, ca. 6 X 1.2 mm, outside pubescent, inside glabrous, margin entire, apex subulate-acuminate. Corolla ca. 3.5 cm, outside sparsely appressed puberulent, inside pilose below filaments; tube funnelform-tubular, ca. 2.5 X 1 cm; adaxial lip ca. 5 mm; abaxial lip ca. 1 cm. Filaments ca. 1.3 cm, glabrous; anthers fused by entire adaxial surfaces, ca. 3 mm, glabrous; staminodes 2, 7-8 mm. Pistil ca. 2.2 cm; ovary ca. 1.4 cm, densely glandular puberulent. Style sparsely glandular puberulent; stigma suboblong, ca. 1.5 mm, 2-lobed. Fruit and seeds unknown.
After publication of the family treatment for the Flora of China,
this was treated as Primulina pungentisepala (W. T. Wang) Mich. Möller & A. Weber (Taxon 60: 784. 2011).
* Guangxi (Longzhou Xian).