Didymocarpus sinoprimulinus W. T. Wang

Plants stemless. Leaves basal; petiole 1-4.5 cm; leaf blade triangular to orbicular-ovate, indistinctly multilobed, 1.8-4.6 X 1.6-4 cm, papery, adaxially white villous, sparsely yellow glandular, abaxially sparsely rust-brown villous, densely rust-brown villous along veins, sparsely yellow glandular, base cordate to truncate, lobe margin denticulate with 1 or 2 small teeth to dentate, apex rounded, basal veins 4 or 5; lateral veins ca. 3 on each side of midrib. Cymes 1-5-flowered; peduncle 7-12 cm, rust-brown villous; bracts free, narrowly ovate to linear, 3.5-7 mm, puberulent, margin entire. Pedicel 0.7-2.4 cm. Calyx slightly zygomorphic, 5-sect from near base; adaxial lobe largest, narrowly obovate, ca. 8 mm, other 4 lobes spatulate-linear, 6-7 mm, outside villous, inside glabrous, margin entire. Corolla pink, 1.5-1.8 cm, outside glabrous, inside with 2 lines of hairs above attachment of filaments; tube campanulate, 0.9-1.2 X ca. 1.2 cm; adaxial lip 5-9 mm; abaxial lip 8-10 mm. Filaments ca. 8 mm, sparsely puberulent toward apex; anthers 2.5-3 mm, white woolly; staminodes 2, 0.5-1 mm. Pistil 1.5-2.2 cm; ovary 1-1.6 cm, densely puberulent. Style glabrous. Capsule 6-8 cm. Fl. Mar-May, fr. May.

* Damp, stony, montane cliffs. W Hunan (Qianyang Xian).