紫萼唇柱苣苔 zi e chun zhu ju tai

Perennials, stemless. Rhizome internodes inconspicuous. Leaves basal, opposite; petiole 6-14 X ca. 4 mm; leaf blade narrowly ovate to ovate, 2.2-4 X 1.3-2 cm, leathery, adaxially sparsely appressed puberulent, eglandular, abaxially densely appressed puberulent, base broadly cuneate, margin entire, apex obtuse to rounded; lateral veins invisible. Cymes ca. 2-flowered; peduncle 9.5-12.5 cm, dark purple pubescent; bracts 2, free, narrowly ovate, 4-5 X ca. 2 mm, densely purple villous, margin entire, apex obtuse. Pedicel 0.7-1.5 cm, puberulent. Calyx 5-sect from base; segments equal, lanceolate, ca. 5 X 1.5-2 mm, outside densely purple puberulent, inside glabrous, margin entire, apex obtuse. Corolla purple, ca. 4 cm, outside puberulent, inside puberulent basally; tube nearly tubular, ca. 3 X 1.2 cm; adaxial lip ca. 6 mm; abaxial lip ca. 1 cm. Filaments ca. 1.4 cm, glabrous; anthers fused by entire adaxial surfaces, ca. 4.5 mm, villous; staminodes 3, central 1 ca. 0.5 mm, laterals ca. 1 mm. Pistil ca. 3.2 cm, puberulent; ovary ca. 1.6 cm. Stigma ligulate-linear, ca. 6 mm, undivided. Fruit and seeds unknown. Fl. Feb.

* Limestone hills. Guangxi (Guilin Xian).

After publication of the family treatment for the Flora of China, this was treated as Primulina atropurpurea (W. T. Wang) Mich. Möller & A. Weber (Taxon 60: 781. 2011).