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FOC | Family List | FOC Vol. 14 | Apiaceae | Rhododendron

24. Rhododendron amandum Cowan, Notes Roy. Bot. Gard. Edinburgh. 19: 245. 1937.

细枝杜鹃 xi zhi du juan

Shrubs, 1.3–1.6 m tall; young shoots scaly. Petiole 4–5 mm, densely scaly and hispid; leaf blade leathery, elliptic or oblong-elliptic, 5–8.5 × 2–3.5 cm; base blunt to rounded; apex obtuse, apiculate; abaxial surface scales ca. 0.5 × their own diameter apart, brown, midrib slightly hairy; adaxial surface without scales, midrib hispid. Inflorescence terminal, shortly racemose or cymose, 2- or 3-flowered; rachis 2–3 mm, scaly and densely pubescent. Pedicel 0.6–1 cm, densely scaly; calyx red, deeply 5-lobed to base; lobes ca. 10 mm, ovate or oblong ovate, scaly; corolla funnelform, campanulate, 5-lobed, pale yellow, 3–3.8 cm, outer surface sparsely scaly, without hairs; stamens 10, unequal, 1.9–2.4 cm, filaments pubescent below; ovary 5-locular, densely scaly, otherwise glabrous; style shorter than corolla, longer than stamens, scales absent. Capsule not known.

Rhododendron thickets, rocky cliffs; ca. 3500 m. Xizang.


 

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