Didissandra primuliflora Batalin, Trudy Imp. S. Peterburgsk. Bot. Sada 14: 176. 1895.

Petiole to 4 cm, very densely brown woolly; leaf blade narrowly elliptic to ovate, 5-10.5 X 2.7-5.5 cm, adaxially grayish white pubescent and villous, abaxially gray pubescent and brown villous, especially along veins, base cuneate, margin lobulate, lobes crenate-dentate, apex acute to obtuse; lateral veins 5 or 6 on each side of midrib, indistinct. Peduncle 4-20 cm, glandular puberulent and brown villous; bracts 3-5 mm, villous, margin entire. Pedicel 0.5-2 cm. Calyx segments narrowly lanceolate, 4-5 mm, margin entire. Corolla pale purple, 0.9-1.4 cm, outside glandular puberulent; tube nearly cylindric, 7-10 X 2-2.7 mm; adaxial lip ca. 5 mm, lobes elliptic, ca. 3 X 1.5-2 mm; abaxial lip ca. 5.5 mm, lobes obovate-spatulate, ca. 5 X 1.5-2 mm. Stamens 3.5-4 mm; filaments glabrous; anthers coherent in pairs, thecae not confluent; staminode ca. 1.1 mm. Pistil 6-7 mm, glabrous; ovary 3.5-4.5 mm. Capsule 1.5-2.2 cm. Fl. Jul.

* Shady, damp rocks; 2000-2800 m. NW Sichuan.