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

550. Rhododendron cretaceum P. C. Tam, Surv. Gen. Rhododendron S. China. 108. 1983.

白枝杜鹃 bai zhi du juan

Shrubs, ca. 1.5 m tall; young shoots subverticillate, coarsely gray-white-strigose, glabrescent. Summer and winter leaves different. Petiole 2–4 mm; leaf blade papery, ovate or elliptic-ovate, 2–4.5 × 1–2 cm; base broadly cuneate; margin sparsely strigose; apex shortly acuminate and mucronate; both surfaces coarsely strigose; lateral veins obscure. Inflorescence 5- or 6-flowered. Pedicel 0.1–0.5 cm, ferruginous-strigose; calyx lobes finely crenate, densely coarsely ferruginous-strigose; corolla funnel-campanulate, white, with red flecks, ca. 1.6 cm; tube cylindric, ca. 9 mm, outer surface sparsely coarsely strigose; lobes oblong, ca. 0.7 cm; stamens 5, unequal, 1.6–2.3 cm, exserted from corolla tube, much longer than style, filaments glabrous; ovary ovoid, ferruginous-strigose; style coarsely strigose near base. Fl. Apr.

N Guangdong.


 

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