筒花苣苔 tong hua ju tai

Didissandra delavayi Franchet, Bull. Mus. Hist. Nat. (Paris) 5: 250. 1899; Briggsia beauverdiana (H. Léveillé) Craib; B. delavayi (Franchet) W. Y. Chun; Didissandra beauverdiana H. Léveillé.

Plants stemless or stems to 4 cm. Petiole 2.5-14 cm, densely gray appressed villous; leaf blade ovate to suborbicular, 4-12 X 3.2-7.5 cm, gray villous, base rounded to cordate, mar-gin entire to repand, apex rounded. Peduncle 6-12 cm, gray villous; bracts linear to lanceolate, 3-6 mm. Calyx segments linear to lanceolate, 5-13 X 1-2 mm, outside gray villous. Corolla white, inside purple striate, 4-4.5 cm, outside white villous; tube 2.5-3.5 X 1.2-1.5 cm; adaxial lip ca. 7 mm; abaxial lip ca. 1.1 cm, all lobes suborbicular, 4-5 mm. Adaxial stamens ca. 1 cm, abaxial ones ca. 1.3 cm; staminode ca. 1.8 mm. Pistil ca. 2.3 cm, glabrous. Style ca. 1.5 cm. Capsule ca. 1.2 cm. Fl. Aug.

* Shady, damp rocks in montane regions; 200-1500 m. Guizhou (Xishui Xian), S Sichuan, NE Yunnan (Yanjin Xian).