Stems erect to arching or divaricate, ± persistently 4-lined, ancipitous. Leaves shortly petiolate; lamina 15-30 x 6-17 mm, ovate-lanceolate or rarely elliptic to broadly ovate, acute (or rarely apiculate) to rounded, base cuneate to rounded. Inflorescence 1-7-flowered. Flowers 20-35 mm in diam., cyathiform; buds ovoid to subglobose, obtuse to rounded. Sepals broadly oblong or broadly elliptic to broadly ovate or circular, apiculate or rounded, subentire to denticulate, erect. Petals 10-20 x 8-14 mm, broadly obovate. Ovary 4.5-5.5 x 3-5.5 mm, broadly ovoid to subglobose; styles 4-5 mm long, c. 0.9 x ovary. Capsule 10-14 x 8-10 mm, broadly ovoid.
China (central and east Yunnan, Guizhou).