Description from Flora of China
Perennials, stemless. Rhizome internodes inconspicuous. Leaves basal, crowded, sessile; leaf blade lanceolate-linear, seldom falcate, 4.5-9 X 0.4-1.5 cm, leathery, glabrous, eglandular, base cuneate, margin finely spiny denticulate, apex acute to obtuse; lateral veins invisible. Cymes 2- or 3-flowered; peduncle 6-10 cm, spreading pubescent and glandular pubescent; bracts 2, free, narrowly linear, 3-3.5 cm X 2-2.4 mm, pubescent and glandular pubescent, margin entire, apex attenuate. Pedicel 1-2 cm, spreading pubescent and glandular pubescent. Calyx 5-sect from base; segments equal, linear-lanceolate, 1-1.2 cm X ca. 2 mm, outside pubescent and glandular pubescent, inside nearly glabrous, margin entire, apex attenuate. Corolla blue-purple, 4.5-5 cm, outside sparsely glandular puberulent and puberulent, inside glabrous; tube nearly tubular, 3-3.5 X ca. 1.2 cm; adaxial lip ca. 1 cm; abaxial lip ca. 1.5 cm. Filaments ca. 1.5 cm, glandular puberulent; anthers fused by entire adaxial surfaces, ca. 3.5 mm, glandular puberulent; staminodes 3, central ca. 0.8 mm, laterals ca. 1.2 cm. Pistil ca. 2.6 cm, densely glandular pubescent; ovary ca. 1.8 cm. Stigma obtrapeziform, ca. 2 mm, 2-lobed. Fruit and seeds unknown. Fl. May.
* Limestone hills; ca. 400 m. SW Guangxi (Longzhou Xian).