双片苣苔 shuang pian ju tai

Chirita obtusa C. B. Clarke in A. & C. de Candolle, Monogr. Phan. 5: 114. 1883; Didymocarpus clarkei H. Léveillé; Roettlera obtusa (C. B. Clarke) Kuntze.

Stems ascending to nearly erect, 12-20 cm, pubescent to densely pubescent. Petiole 0.8-3.5 cm; leaf blade ovate, 2-10.5 X 1.4-5(-7) cm, adaxially pubescent, abaxially sparsely pubescent, abaxial surface often purple tinged, base sometimes slightly oblique, broadly cuneate to rounded, margin crenate, apex acute to obtuse. Cymes 2-10-flowered; peduncle 1.5-4 cm, pubescent; bracts linear, 3-6 X 0.5-1 mm, pubescent. Calyx segments lanceolate-linear, 7.5-10 mm. Corolla white, purple-blue near apex, 3.6-5.2 cm; tube 2.7-4 cm; adaxial lip 5-7 mm; abaxial lip 0.9-1.2 cm. Stamens ca. 1.2 cm; filaments slightly tortuous; anther connective not projecting; staminodes 2, ca. 5 mm. Pistil 2.2-3.8 cm, sparsely pubescent; gynophore absent; ovary ca. 1.6 cm. Capsule 4-8 cm. Fl. Jun-Oct, fr. Oct.

* Forests, shaded streamsides; 200-800 m. S Fujian, Guangdong, Guangxi, Hainan.