新宁唇柱苣苔 xin ning chun zhu ju tai

Perennials, stemless. Rhizome internodes inconspicuous. Leaves basal, opposite; petiole 0.3-2 X 0.4-1.4 cm; leaf blade orbicular to broadly ovate, 3-8 X 2.5-8 cm, papery, adaxially puberulent, eglandular, abaxially puberulent, base broadly cuneate to subcordate, margin irregularly dentate or undulate and obtusely dentate, apex rounded to obtuse; lateral veins 2 or 3 on each side of midrib, inconspicuous. Cymes (3-)10-14-flowered; peduncle 4.5-13.5 cm, spreading puberulent; bracts 3, free, unequal, linear-lanceolate, 6-13 X 1-3 mm, densely puberulent, margin entire, apex acute. Pedicel 4-12 mm, puberulent and glandular puberulent. Calyx 5-sect from base; segments equal, lanceolate-linear, 4-5 X 0.8-1 mm, outside puberulent, inside glabrous, margin entire, apex acute. Corolla white, ca. 3 cm, outside sparsely glandular puberulent, inside puberulent only below adaxial lip; tube nearly tubular, ca. 2.1 X 1 cm; adaxial lip ca. 7 mm; abaxial lip ca. 9 mm. Filaments ca. 8 mm, sparsely glandular puberulent near apex; anthers fused by entire adaxial surfaces, ca. 3 mm, glabrous; staminodes 3, central ca. 3 mm, laterals ca. 1 cm. Pistil ca. 2.5 cm, puberulent; ovary ca. 1.2 cm. Stigma obtrapezoid, ca. 1 mm, 2-lobed. Fruit and seeds unknown. Fl. Jul.

* Limestone hills; ca. 400 m. S Hunan (Xinning Xian).

After publication of the family treatment for the Flora of China, this was treated as Primulina xinningensis (W. T. Wang) Mich. Möller & A. Weber (Taxon 60: 785. 2011).