10. Rhododendron subsect. Uniflora Sleumer, Bot. Jahrb. Syst. 74: 532. 1949.
单花杜鹃亚组 dan hua du juan ya zu
Yang Hanbi (杨汉碧 Yang Han-pi); David C. Chamberlain
Dwarf shrubs, often prostrate and mat forming, to 0.5(–1) m tall. Leaves small; leaf blade margin revolute, crenate; abaxial surface scales not overlapping, golden or brown, often darkening with age; adaxial surface usually scaly. Inflorescence terminal, 1–3-flowered. Pedicel rigid, accrescent in fruit; calyx 1–7 mm, deeply 5-lobed, scaly, ciliate on margin; corolla broadly funnelform-campanulate or tubular-funnelform, purple to pinkish purple, pink, purplish mauve or yellow with spots within tube, outer surface mostly densely pubescent and sparsely scaly; stamens 10, shorter than corolla; ovary 5-locular; style straight, mostly glabrous, sometimes sparsely scaly at base. Capsule rounded or ovoid, to cylindric, 4–13 mm. Seeds wingless, obscurely finned.
About four species: Bhutan, China, India, Myanmar, Nepal, Sikkim; four species in China.