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

143. Rhododendron dekatanum Cowan, Notes Roy. Bot. Gard. Edinburgh. 19: 226. 1937.

隆子杜鹃 long zi du juan

Shrubs, evergreen, ca. 1.5 m tall; branchlets scaly, not setose. Petiole 5–6 mm, densely scaly, not setose; leaf blade leathery, ovate, obovate, broadly obovate-oblong to oblong, 3–6 × 2–3.5 cm; base obtuse; margin often ciliate when young; apex rounded, mucronate; abaxial surface pale glaucous, scales contiguous, unequal, dark brown and brown; adaxial surface olive green, matt, without scales. Inflorescence 2- or 3-flowered. Pedicel 0.6–0.8 cm, scaly, not setose; calyx lobes 6–8 mm, ovate to rounded, scaly, margin usually glabrous; corolla broadly campanulate, bright yellow, 2–2.6 cm, outer surface scaly; stamens 10, slightly shorter than corolla, filaments densely villous in lower 1/2–2/3 of their length; ovary densely scaly; style stout, sharply bent, short, scaly at base. Fl. Apr–May.

Rhododendron forests, bamboo forests; 3400–3500 m. S Xizang.


 

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