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FOC | Family List | FOC Vol. 14 | Ericaceae

6. Rhododendron subsect. Campylocarpa (Tagg) Sleumer, Bot. Jahrb. Syst. 74: 547. 1949.

弯果杜鹃亚组 wan guo du juan ya zu

Fang Mingyuan (方明渊); David F. Chamberlain

Rhododendron subser. Campylocarpa Tagg in J. B. Stevenson, Sp. Rhodod. 698. 1930 ["Campylocarpum"].

Shrubs; young shoots glabrous or glandular-hairy. Leaf blade leathery, elliptic, ovate to suborbicular; base shallowly cordate or rounded, apex obtuse, with small cusp; both surfaces glabrous. Inflorescences sparse, 5–15-flowered. Calyx large or small; corolla funnelform-campanulate, broadly campanulate, cup-shaped or saucer-shaped, 5-lobed, yellow, pinkish or white, without nectar pouches; stamens 10; ovary densely glandular; style glandular or glabrous. Capsule slender and long, curved.

Six species: Bhutan, China, India, Myanmar, Nepal, Sikkim; six species (four endemic) in China.

1 Corolla cup- or saucer-shaped; style glandular to tip.   (2)
+ Corolla broadly campanulate or funnelform-campanulate; style without glands or with glands only at base.   (3)
2 (1) Corolla cup-shaped, bright yellow or pure white, 4–5 cm wide; petiole glabrous.   260 Rhododendron wardii
+ Corolla bowl- or saucer-shaped, white or pinkish, 5–6 cm wide; petiole glandular when young.   261 Rhododendron souliei
3 (1) Calyx 5–10 mm; corolla 4–4.5 cm; petiole 3–4 cm.   262 Rhododendron longicalyx
+ Calyx 1–3 mm; corolla 2.5–3 cm; petiole 1–2.5 cm.   (4)
4 (3) Inflorescence 12–13-flowered, rachis 10–15 mm, hairy.   263 Rhododendron henanense
+ Inflorescence 5–7-flowered, rachis 2–7 mm, without hairs, sometimes glandular.   (5)
5 (4) Leaf blade broadly ovate or suborbicular; corolla white or pink; ovary 10–15 mm.   258 Rhododendron callimorphum
+ Leaf blade elliptic or oblong-elliptic; corolla clear yellow; ovary 5–7 mm.   259 Rhododendron campylocarpum

Lower Taxa


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