湘桂马铃苣苔 xiang gui ma ling ju tai

Petiole to 14 cm, light brown pannose; leaf blade oblong elliptic to oblanceolate or narrowly ovate, 5-15.5 X 2.5-7 cm, adaxially sparsely puberulent to pubescent, abaxially sparsely pubescent, brownish woolly along veins, base oblique, rounded to cuneate, margin crenate to serrate, apex obtuse to acute; lateral veins 7-10 on each side of midrib, distinct. Cymes (3-) 5-15(-20)-flowered; peduncle 10-23 cm, densely pubescent; bracts 2, lanceolate to oblong lanceolate, 6-12 X 1-2 mm, pubescent to densely pubescent, margin entire. Pedicel 0.5-1.8 cm. Calyx segments lanceolate, 3-5 mm, margin entire. Corolla purple-red, 1.3-1.6 cm, outside puberulent; tube nearly cylindric, gradually slightly ampliate from base to mouth, 0.9-1.3 cm X 4-5 mm; limb slightly 2-lipped; adaxial lip 2-lobed from near middle, lobes 2.2-3 X 1.5-2 mm; abaxial lip lobes 4-4.5 X 3-4 mm. Stamens adnate to corolla 1.5-5 mm above base, 5.5-7.5 mm; filaments slender, slightly flattened, glabrescent; anthers broadly oblong, 2-loculed, dehiscing longitudinally, connective glabrous; staminode 1, ca. 0.5 mm. Disc ca. 1.2 mm, entire. Pistil ca. 1.2 cm, glabrous. Stigma 1, disc-shaped, slightly concave. Capsule ca. 3.5 cm. Fl. Aug-Sep, fr. Sep-Oct.

* Rocks on slopes, near roads or by streams in valleys; 800-1400 m. NE Guangxi, S Hunan.