零陵唇柱苣苔 ling ling chun zhu ju tai

Perennials, stemless. Rhizome internodes inconspicuous. Leaves basal, opposite; petiole 0.5-2 X 0.4-1.2 cm; leaf blade oblique, ovate to nearly orbicular, 2.5-6 X 2.5-6.4 cm, papery, puberulent, eglandular, base oblique, broadly cuneate to rounded, margin dentate to obtusely dentate, apex rounded to obtuse; lateral veins ca. 4 on each side of midrib, inconspicuous. Cymes 1-4-flowered; peduncle 3-7 cm, villous; bracts 2, free, lanceolate-linear, ca. 7 X 1-1.2 mm, villous, margin entire, apex attenuate. Pedicel 1.2-2.2 cm, pubescent and glandular puberulent. Calyx 5-sect from base; segments equal, linear-lanceolate, 7-9 X 1.2-2 mm, outside puberulent, inside glabrous, margin entire, apex attenuate. Corolla purple-red, 3.5-5 cm, outside sparsely puberulent, inside puberulent toward mouth; tube broadly funnelform to tubular-funnelform, 2.3-3 X 1.4-1.8 cm; adaxial lip ca. 8 mm; abaxial lip ca. 1.6 cm. Filaments ca. 1.1 cm, sparsely puberulent apically; anthers fused by entire adaxial surfaces, ca. 3.2 mm, abaxially puberulent; staminodes 3, ca. 5 mm. Pistil ca. 3 cm, densely puberulent; ovary ca. 1.4 cm. Stigma suboblong, ca. 3 mm, 2-parted. Capsule erect, 3-4 cm. Fl. Mar-Apr.

* Shaded rocks in valleys; ca. 300 m. S Hunan (Lingling Xian).

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