永福唇柱苣苔 yong fu chun zhu ju tai

Perennials, stemless. Rhizome internodes inconspicuous. Leaves basal, opposite; petiole (0.5-)1-3 cm X ca. 3 mm; leaf blade elliptic to ovate, (1.4-)2.3-3.2 X (1.1-)1.7-2.4 cm, leathery, purple puberulent to pilose (hairs 0.3-4 mm adaxially, 0.5-2 mm abaxially), eglandular, base broadly cuneate, margin crenate to repand, apex acute to rounded; lateral veins ca. 3 on each side of midrib, inconspicuous. Cymes 2-4-flowered; peduncle 4.5-9 cm, purple villous; bracts 2, free, narrowly ovate to elliptic, 7-12 X 5-7 mm, purple pubescent, margin entire, apex obtuse. Pedicel 1-1.8 cm, densely puberulent. Calyx 5-sect from base; segments equal, lanceolate-linear to narrowly triangular, 5.5-7 X 1.2-2.2 mm, puberulent, margin entire, apex acute. Corolla purplish, 3.8-4.6 cm, outside puberulent, inside basally puberulent with very short hairs; tube tubular, 2.5-3 X 1-1.3 cm; adaxial lip ca. 7 mm; abaxial lip 1.2-1.7 cm. Filaments ca. 1.1 cm, glabrous; anthers fused by entire adaxial surfaces, 4-5 mm, bearded; staminodes 2, ca. 7.5 mm. Pistil ca. 3.2 cm, densely puberulent; ovary ca. 1.4 cm. Stigma linear, ca. 3 mm, 2-lobed. Fruit and seeds unknown. Fl. May.

* Shaded areas on limestone hills. Guangxi (Yongfu Xian).

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