1. Rhododendron subsect. Edgeworthia (Hutchinson) Sleumer, Bot. Jahrb. Syst. 74: 532. 1949.
泡泡叶杜鹃亚组 pao pao ye du juan ya zu
Yang Hanbi (杨汉碧 Yang Han-pi); David F. Chamberlain
Rhododendron ser. Edgeworthia Hutchinson in J. B. Stevenson, Sp. Rhodod. 228. 1930 ["Edgeworthii"].
Shrubs, 0.3–1.3(–5.6) m tall, often epiphytic; young shoots with scales golden, small, densely woolly. Leaf blade leathery; abaxial surface densely woolly, scales very small, brown; adaxial surface often bullate, sometimes sparsely pubescent. Inflorescence terminal, 1–3-flowered. Pedicel densely woolly; calyx large, often red or tinged red, 5–17 mm, 5-lobed; corolla funnel-campanulate or campanulate, usually fragrant, white, often flushed pink, or yellow; outer surface scaly; stamens 10; ovary 5-locular, densely woolly; style straight or sharply deflexed. Capsule 7–22 mm, scaly, densely woolly. Seeds winged and finned.
About three species: Bhutan, China, India, Myanmar, Nepal, Sikkim; three species in China.
