凸瓣苣苔 tu ban ju tai

Petiole to 12 cm, rust-brown villous; leaf blade ovate, 2.5-16 X 2-9 cm, adaxially white puberulent and sparsely rust-brown villous, abaxially white puberulent and sparsely rust-brown villous, rust-brown villous along veins, base often oblique, rounded to cordate, margin double serrate to lobulate, lobes dentate to serrate; lateral veins 4-7 on each side of midrib, conspicuous. Peduncle 2.4-12 cm, rust-brown villous and sparsely white puberulent; bracts linear to narrowly triangular, 4-7 X 0.7-1.5 mm, sparsely rust-brown villous. Calyx 4-9 mm, 5-lobed from below to above the middle; lobes lanceolate to ovate, 2-5 mm, outside sparsely villous and pubescent, margin dentate or entire. Corolla orange to orange-yellow, 2-2.5 cm; limb 2-lipped; adaxial lip rounded, 2-4.5 X 4-7 mm, undivided to emarginate; abaxial lip 7-8 mm, lobes obovate, 4.5-6 X 3-5 mm. Stamens included or very slightly exserted, 0.6-1.5 cm; filaments sparsely puberulent; staminode ca. 2.5 mm. Disc ca. 1 mm, entire. Pistil 0.9-1.8 cm, glabrous. Capsule 3.5-5 cm. Fl. May-Aug, fr. Jul-Oct.

* Shady, damp cliffs, rocks, and trees; 2500-3400 m. Yunnan (Dali Xian).