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

531. Rhododendron chrysocalyx H. Léveillé & Vaniot, Repert. Spec. Nov. Regni Veg. 2: 113. 1906.

金萼杜鹃 jin e du juan

Shrubs, deciduous, 1–3 m tall; young shoots densely coarsely brown strigose. Summer and winter leaves different. Petiole 3–5 mm, densely coarsely brown strigose; leaf blade papery, linear-lanceolate to oblanceolate, 1.5–4(–6) × 0.5–1.3 cm; base narrowly cuneate; margin revolute, finely crenate towards apex; apex acuminate and mucronate; both surfaces sparsely coarsely brown-strigose, especially on the midrib. Inflorescence 4–7-flowered. Pedicel 0.9–1.8 cm, densely coarsely yellow-brown-strigose; calyx very small, yellow-brown-strigose; corolla narrowly funnelform, white to pale pink or purple, 2.4–2.9 cm; tube narrowly cylindric, widening towards base, 13–15 × 2–3 mm, lobes spreading, oblong-ovate, ca. 1 × 0.5 cm; stamens 5, ca. 3.5 cm, long-exserted, filaments flat, glabrous or pubescent below; ovary subovoid, densely coarsely long shiny yellow-brown-strigose; style ca. 5 cm, longer than stamens, glabrous. Capsules long ovoid, 8–10 mm, densely long yellow-brown strigose. Fl. Mar–Jun, fr. Jun–Oct.

Thickets, shady slopes; 300–1000 m. N Guangxi, Guizhou, W Hubei, Sichuan.


1 Leaves lanceolate to oblanceolate; inflorescence 4–7-flowered; corolla white to pale pink, tube ca. 3 mm in diam., filaments pubescent below.   531a var. chrysocalyx
+ Leaves narrowly oblong, linear-oblanceolate or linear-lanceolate; inflorescence 4- or 5-flowered; corolla purple-red, tube ca. 2 mm in diam., filaments glabrous.   531b var. xiushanense

Lower Taxa


 

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