饰岩横蒴苣苔 shi yan heng shuo ju tai

Petrodoxa argentea J. Anthony, Notes Roy. Bot. Gard. Edinburgh 18: 203. 1934.

Herbs, perennial. Stemless or stems to 10 cm. Leaves basal or alternate and spread along stem; petiole 2-8 cm; leaf blade elliptic to ovate, 3.5-10 X 1.5-6 cm, adaxially white short strigose, abaxially sparsely short strigose, base rounded to broadly cuneate, rarely subcordate, margin crenate to dentate or serrate, apex acute to rounded; lateral veins 5 or 6 on each side of midrib. Peduncle (3-)6-11 cm, yellowish pubescent; bracts ovate, 4-6 X 2-4 mm, short strigose. Calyx segments lanceolate to narrowly ovate, 3-4 X 1.2-2 mm, outside pubescent. Corolla purple to purple-red, 1.2-1.8 cm, outside sparsely pubescent; tube 5-6 mm; adaxial lip 3-5 mm; abaxial lip 0.9-1.1 cm. Filaments ca. 3 mm; anthers ca. 1.4 mm. Pistil glabrous; ovary ca. 2 mm. Style 4-6 mm. Capsule 1.5-3 cm. Fl. Mar, fr. Jun.

* Rocks under forests in valleys; 1200-1600 m. SE Yunnan.