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

349. Rhododendron dumicola Tagg & Forrest in J. B. Stevenson, Sp. Rhodod. 643. 1930.

灌丛杜鹃 guan cong du juan

Shrubs, 1–2.5 m tall; young shoots and petioles sparsely shortly glandular-hairy. Petiole 10–15 mm; leaf blade leathery, oblong-elliptic to obovate, 6.5–7.5 × 3–4 cm; base subrounded; apex obtuse or rounded, apiculate; abaxial surface tawny indumentum densely felted, hairs branched, midrib sparsely red-glandular; adaxial surface glabrous. Inflorescence umbellate, 5–7-flowered; rachis short, ca. 3 mm. Pedicel 1.5–2 cm, densely shortly glandular-hairy; calyx deeply lobed; lobes 5, 7–10 mm, unequal, sparsely shortly glandular-hairy near base on outer surface, margin glandular-ciliate; corolla campanulate, white to pale rose, with crimson flecks below, 3.5–4 cm, lobes 5; stamens 10, unequal, filaments pubescent at base; ovary ca. 6 mm, densely shortly glandular-hairy; style subequal to corolla, glabrous, eglandular. Fl. Jun–Jul.

Rhododendron thickets, rocky slopes; ca. 4200 m. NW Yunnan.


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