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FOC | Family List | FOC Vol. 14 | Ericaceae

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.

1 Style long, declinate; corolla 3.4–7.6 cm; calyx 11–19 mm; flowers fragrant.   1 Rhododendron edgeworthii
+ Style short, sharply bent; corolla 1.5–2.5 cm; calyx 5–9 mm; flowers not fragrant.   (2)
2 (1) Corolla yellow; calyx pale green; adaxial leaf surface bullate.   3 Rhododendron seinghkuense
+ Corolla white, white flushed pink, rarely pale yellow; calyx red or tinged red; adaxial leaf surface not bullate.   2 Rhododendron pendulum

Lower Taxa


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