刺齿唇柱苣苔 ci chi chun zhu ju tai

Perennials, stemless. Rhizome internodes inconspicuous. Leaves basal, opposite, sessile; leaf blade lanceolate-linear, 6-11 X 0.8-1.2 cm, leathery, glabrous, eglandular, base cuneate, margin finely spiny denticulate, apex acute to obtuse; lateral veins invisible. Cymes ca. 9-flowered; peduncle ca. 20 cm, mostly sparsely puberulent; bracts 2, free, narrowly triangular, 2-2.5 X ca. 1 mm, sparsely dark purple puberulent, margin entire, apex acute. Pedicel 1.5-6 mm, sparsely puberulent. Calyx 5-sect from base; segments equal, triangular, ca. 1.5 X 0.8-1 mm, outside sparsely puberulent, inside glabrous, margin entire, apex acute. Corolla blue-purple, ca. 1.3 cm, outside apically puberulent, inside glabrous; tube nearly tubular, ca. 10 X 2 mm; adaxial lip ca. 2.5 mm; abaxial lip ca. 3.5 mm. Filaments ca. 6.5 mm, glabrous; anthers fused by entire adaxial surfaces, ca. 2 mm, basally sparsely puberulent; staminodes 2, ca. 1.5 mm. Pistil ca. 1.4 cm; ovary ca. 7 mm, glabrous. Style sparsely puberulent; stigma obtrapeziform, ca. 0.8 mm, 2-lobed. Fruit and seeds unknown. Fl. Nov.

* Shaded areas on limestone hills; ca. 100 m. SW Guangxi (Fusui Xian).