连县唇柱苣苔 lian xian chun zhu ju tai

Perennials, stemless. Rhizome internodes inconspicuous. Leaves basal, opposite; petiole 1.5-3.5(-6) cm X 1.5-3 mm; leaf blade broadly ovate to ovate, seldom nearly orbicular, 0.8-3.2 X 0.8-2.8 cm, papery, puberulent to pilose, eglandular, base sometimes oblique, cuneate to nearly truncate, margin indistinctly undulate-denticulate, apex obtuse to rounded; lateral veins ca. 3 on each side of midrib, inconspicuous. Cymes 1- or 2-flowered; peduncle 1.5-6 cm, spreading puberulent; bracts 2, free, ovate to lanceolate or oblanceolate-linear, 5-12 X 2.2-5 mm, puberulent, margin entire, apex acute. Pedicel 4-13 mm, spreading puberulent. Calyx 5-sect from base; segments equal, narrowly lanceolate-linear, 3-7 X 0.8-1 mm, puberulent, margin entire, apex acute. Corolla purple, ca. 2.7 cm, outside sparsely puberulent, inside puberulent on and below adaxial lip; tube nearly tubular, ca. 1.8 X 0.9 cm; adaxial lip ca. 4 mm; abaxial lip ca. 8 mm. Filaments ca. 1 cm, sparsely glandular; anthers fused by entire adaxial surfaces, ca. 3.2 mm, sparsely puberulent; staminodes 2, ca. 4.5 mm. Pistil ca. 2.1 cm, puberulent; ovary ca. 9 mm. Stigma cuneate, ca. 3 mm, 2-lobed. Capsule erect, 2.2-3.2 cm. Fl. Sept-Oct, fr. Oct.

* Rocks in montane thickets. N Guangdong (Lian Xian).

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