Description from Flora of China
Plants stemless. Petiole 1-6 cm, densely rust-brown villous; leaf blade elliptic to ovate, lanceolate, or falcate, 4-15 X 2-6 cm, adaxially gray pilose, abaxially appressed gray pubescent, densely rust-brown villous along veins, base cuneate to broadly cuneate, margin crenate-serrate, apex obtuse to acute; lateral veins 6-8 on each side of midrib, adaxially inconspicuous, abaxially prominent. Cymes 1-5-flowered; peduncle 11-20 cm, sparsely rust-brown villous; bracts 2, narrowly lanceolate to oblanceolate, 8-14 X 3-5 mm, outside densely rust-brown villous, inside glabrous, margin subentire or sparsely dentate. Calyx segments ovate to lanceolate, 5-8 X 2-5 mm, outside rust-brown villous, margin sparsely dentate or subentire, veins indistinct. Corolla purple-red or purple, inside purple spotted, 3.5-4.2 cm, outside sparsely pubescent, inside glabrous; tube (1.8-)2.8-3 X 1.7-2 cm; adaxial lip 5-6 mm, lobes oblong, 4-5 X ca. 4 mm, apex obtuse; abaxial lip 1-1.5 cm, lobes oblong, 4-7 X ca. 5 mm, apex rounded. Adaxial stamens adnate to corolla ca. 4 mm above base, 1.6-2 cm, abaxial ones adnate to corolla ca. 6 mm above base, 1.2-1.7 cm; filaments sparsely puberulent; anthers reniform, thecae not confluent; staminode ca. 3 mm. Pistil 2-2.5 cm; ovary glabrous. Style ca. 8 mm, sparsely puberulent. Capsule 5-6.5 cm, glabrous. Fl. and fr. Sep-Oct.
* Damp rocks and among grasses; 500-1000 m. S Anhui, E Jiangxi, SW Zhejiang.