荔波唇柱苣苔 li bo chun zhu ju tai

Perennials, stemless. Rhizome internodes inconspicuous. Leaves basal, opposite; petiole 1-4.5 cm X 1.5-5 mm; leaf blade oblique, elliptic to ovate, 4-10 X 2-4.5 cm, leathery, sparsely puberulent, eglandular, base oblique, cuneate to broadly cuneate, margin entire to repand, apex acute to rounded; lateral veins 3 or 4 on each side of midrib, inconspicuous. Cymes 7-11-flowered; peduncle ca. 12 cm, purple puberulent; bracts 2, free, narrowly ovate, 1.3-2 cm X 3.5-5 mm, sparsely puberulent, margin entire, apex obtuse. Pedicel 1.5-15 mm, purple puberulent. Calyx 5-sect from base; segments equal, lanceolate-linear, ca. 7 X 1.2-1.5 mm, purplish puberulent, margin indistinctly denticulate, apex obtuse. Corolla blue-purple, ca. 2.7 cm, outside puberulent, inside puberulent on limb; tube funnelform-tubular, ca. 1.7 X 0.8 cm; adaxial lip ca. 4 mm; abaxial lip ca. 1 cm. Filaments ca. 1 cm, glandular puberulent apically; anthers fused by entire adaxial surfaces, ca. 3.8 mm, bearded; staminodes 2, ca. 3 mm. Pistil ca. 1.9 cm, puberulent; ovary ca. 1.3 cm. Stigma oblong, ca. 1.5 mm, 2-lobed. Fruit and seeds unknown. Fl. May.

* Rocks in forests of hilly regions; ca. 400 m. SE Guizhou (Libo Xian).

After publication of the family treatment for the Flora of China, this was treated as Primulina liboensis (W. T. Wang & D. Y. Chen) Mich. Möller & A. Weber (Taxon 60: 783. 2011).