紫叶单座苣苔 zi ye dan zuo ju tai

Stems 13-32 cm, brown villous. Petiole 0.5-7 cm; leaf blade adaxially green, abaxially purple except midrib and lateral veins greenish, elliptic to oblong, 8-23.5 X 3.8-11.5 cm, adaxially puberulent to densely so, abaxially sparsely puberulent, base often slightly oblique, broadly cuneate to rounded, margin repand to denticulate apically, apex abruptly acuminate. Cymes ca. 4-flowered; peduncle 9-10 cm, brown villous; involucre deciduous, nearly globose, ca. 1.2 cm in diam., apex short cuspidate. Calyx segments lanceolate-linear, 8-9 X 2.5-3.5 mm. Corolla white, ca. 2.9 cm, outside brown puberulent; tube ca. 2.1 cm; adaxial lip ca. 3.2 mm; abaxial lip ca. 8 mm. Stamens ca. 1.5 cm; staminodes 2, ca. 4 mm. Pistil ca. 1.6 cm, sparsely puberulent; ovary ca. 7 mm. Capsule unknown. Fl. Sep.

* Guangxi (Nandan Xian).