Didissandra agnesiae DidissandraagnesiaeForrest, Notes Roy. Bot. Gard. Edinburgh 8: 334. 1915.

Plants stemless. Petiole 1-3 cm, densely rust-brown puberulent; leaf blade ovate to rhombic-ovate, 1.2-5 X 0.8-2.2 cm, adaxially densely gray appressed pubescent, abaxially densely gray appressed pubescent, rust-brown pubescent along veins, base cuneate, margin shallowly serrate, apex acute to obtuse; lateral veins 3 or 4 on each side of midrib, adaxially inconspicuous, abaxially conspicuous. Cymes 1-flowered; peduncle 6-8(-15) cm, sparsely rust-brown glandular puberulent; bracts 2, linear, 4-7 X ca. 1 mm, outside gray puberulent, inside glabrous, margin entire. Calyx segments narrowly lanceolate to lanceolate, 6-10 X 2-3 mm, outside sparsely rust-brown glandular puberulent, margin entire, veins indistinct. Corolla purple-red, not spotted, 3.5-4.5 cm, outside glandular puberulent, inside glabrous; tube 1.8-2.5 X 1.8-2.4 cm; adaxial lip ca. 9 mm, lobes triangular, ca. 3 X 4 mm, apex acute; abaxial lip 1.2-1.5 cm, lobes triangular, 10-12 X 5-8 mm, apex acute. Adaxial stamens adnate to corolla ca. 3 mm above base, 1.3-1.8 cm, abaxial ones adnate to corolla ca. 3 mm above base, 1.8-2 cm; filaments pubescent; anthers reniform, thecae not confluent; staminode ca. 3.5 mm. Pistil 1.6-2.4 cm, densely glandular pubescent. Style 8-9 mm. Capsule ca. 5 cm, sparsely glandular puberulent to glabrescent. Fl. and fr. Jul.

* Rocks under shrubs; ca. 2500 m. Sichuan (Muli Xian), Yunnan (Yongsheng Xian).