菱叶唇柱苣苔 ling ye chun zhu ju tai

Perennials, stemless. Rhizome internodes inconspicuous. Leaves basal, opposite; petiole 0.4-2.5 cm X 2-4.5 mm; leaf blade rhomboid-ovate to elliptic, broadly ovate, or spatulate, 3-7 X 1.5-3.7 cm, leathery, adaxially sparsely strigose, eglandular, abaxially sparsely pubescent, base cuneate to broadly cuneate, margin repand to subentire, apex rounded to acute; lateral veins ca. 3 on each side of midrib, inconspicuous. Cymes 1-3-flowered; peduncle 5.5-8 cm, densely purple puberulent and pilose; bracts 2, free, narrowly ovate to triangular, 4-6 X 2-3 mm, puberulent and pilose, margin entire, apex acute to obtuse. Pedicel 0.8-1.4 cm, densely pubescent and pilose. Calyx 5-sect from base; segments equal, narrowly lanceolate, 6-7 X 1-1.2 mm, outside puberulent and pilose, inside nearly glabrous, margin 1- or 2-denticulate apically, apex acute to obtuse. Corolla purple, ca. 4.5 cm, outside puberulent, inside puberulent below adaxial lip; tube broadly funnelform, ca. 3 X 1.4 cm; adaxial lip ca. 9 mm; abaxial lip ca. 1.5 cm. Filaments ca. 1.2 cm, apically sparsely puberulent; anthers fused by entire adaxial surfaces, ca. 3.5 mm, villous; staminodes 2, ca. 7 mm. Pistil ca. 3.3 cm, densely puberulent; ovary ca. 1.5 cm. Stigma obtrapeziform, ca. 4 mm, 2-parted. Fruit and seeds unknown.

* N Guangxi (Guilin Xian).