Description from Flora of China
Boea crassifolia Hemsley in F. B. Forbes & Hemsley, J. Linn. Soc., Bot. 26: 233. 1890; Dorcoceras crassifolium (Hemsley) Schlechter.
Herbs, rarely subshrubs, stemless or with stems to 15 cm, pannose, glabrescent. Leaves basal or crowded near stem apex, petiole (absent or)0.5-2 cm; leaf blade spatulate, rarely lanceolate, obovate, or ovate, 3-16 X 1.5-7 cm, thick papery, adaxially grayish woolly, glabrescent, abaxially densely cobwebby-woolly to pannose, base attenuate to cuneate, margin crenate to dentate or subentire, often undulate, sometimes involute, apex rounded to acute; lateral veins 4-9 on each side of midrib. Cymes axillary; peduncle 3-12 cm, woolly to pannose, glabrescent; bracts 2, linear to subulate, 2-5 X ca. 0.5 mm, outside woolly. Pedicel 0.5-1.5 cm. Calyx 2-3 mm, 5-sect from near base; segments narrowly triangular to linear, 1-2.5 X ca. 0.5 mm, outside puberulent. Corolla purplish, 1-1.4 cm, outside glabrous; tube 6-7 mm; adaxial lip ca. 4 mm, lobes 3-4 X ca. 5 mm; abaxial lip ca. 6 mm, lobes 3-5 X 4-6 mm. Filaments 3-7 mm, glabrous; anthers 2.5-3 mm; staminodes 2, 2-2.5 mm. Pistil glabrous; ovary 3-4 mm. Style 5.5-6 mm. Capsule spirally twisted, 2-4.5 cm, glabrous. Fl. Mar-Jul, fr. Sep.
* Stony cliffs; 700-3200 m. Guizhou, W Hubei, SE Sichuan, Yunnan.