王氏唇柱苣苔 wang shi chun zhu ju tai

Perennials, stemless. Rhizome internodes inconspicuous. Leaves basal, opposite; petiole 4-12 X 3-4 mm; leaf blade ovate to orbicular, 2-4 X 1.4-3.5 cm, thick papery, adaxially sparsely appressed puberulent, eglandular, abaxially sparsely appressed puberulent, base broadly cuneate to rounded, margin remotely repand-crenate, apex obtuse to rounded; lateral veins 3 or 4 on each side of midrib, inconspicuous. Cymes 1-3-flowered; peduncle 4-4.5 cm, densely purple puberulent and glandular puberulent; bracts 2, free, linear, 3-4 X ca. 0.4 mm, puberulent, margin entire, purple ciliate, apex obtuse to rounded. Pedicel ca. 3 mm, purple puberulent and glandular puberulent. Calyx 5-sect from base; segments equal, lanceolate-linear, ca. 3 X 0.8 mm, outside puberulent, inside glabrous, margin entire, apex subulate-acuminate. Corolla white, inside limb purplish, ca. 3.5 cm, outside sparsely puberulent and glandular puberulent, inside glabrous; tube funnelform-tubular, ca. 2.5 X 1 cm; adaxial lip ca. 5 mm; abaxial lip ca. 1 cm. Filaments ca. 1.4 cm, glabrous; anthers fused by entire adaxial surfaces, ca. 3 mm, glabrous; staminodes 2, ca. 4 mm. Pistil ca. 2.7 cm, densely puberulent and glandular puberulent; ovary ca. 1.7 cm. Stigma obtrapeziform, ca. 3 mm, 2-lobed. Fruit and seeds unknown. Fl. Jul.

* Known only from cultivation. Cultivated in the conservatory of Longtan Park; introduced from Guangxi (Rong'an Xian).

After publication of the family treatment for the Flora of China, this was treated as Primulina wangiana (Z. Yu Li) Mich. Möller & A. Weber (Taxon 60: 785. 2011).