小横蒴苣苔 xiao heng shuo ju tai

Herbs, perennial, stemless. Leaves basal; petiole 1-4 cm; leaf blade elliptic to ovate, 1-3.5 X 0.6-2.2 cm, adaxially sparsely villous, abaxially sparsely pubescent, base often oblique, broadly cuneate to subcordate, margin crenulate-serrate to subentire, apex acute to rounded; lateral veins 3 or 4 on each side of midrib. Peduncle 1.2-4 cm, sparsely pubescent; bracts ovate, 1-2 X ca. 0.5 mm, pubescent to glabrous. Calyx segments lanceolate to narrowly oblong, 1.5-2 X ca. 0.5 mm, outside sparsely pubescent. Corolla purple-blue to white, ca. 8 mm, outside glabrous; tube ca. 4 mm; adaxial lip ca. 2 mm; abaxial lip ca. 4 mm. Filaments 2.5-3 mm; anthers ca. 0.5 mm. Pistil sparsely puberulent; ovary ca. 1 mm. Style ca. 3 mm. Capsule 6-10 mm. Fl. May-Jul, fr. Jul.

* Damp limestone cliffs; 400-1200 m. E Guangxi.