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

187. Rhododendron lepidostylum I. B. Balfour & Forrest, Notes Roy. Bot. Gard. Edinburgh. 12: 124. 1920.

常绿糙毛杜鹃 chang lü cao mao du juan

Shrubs, evergreen, 0.3–1.5 m tall; young growth scaly, densely long-setose; bud scales persistent. Petiole 4–12 mm, scaly, long-setose; leaf blade leathery, obovate, oblong-obovate to ovate, (2–)3–4(–4.5) × (1–)1.5–1.8(–2) cm; base rounded; margin revolute, long-setose; apex rounded, mucronate; abaxial surface glaucous, scales 1–4 × their own diameter apart, usually unequal, golden, midrib setose; adaxial surface bluish green, glabrous. Inflorescence 1–2(–3)-flowered. Pedicel 2–3 cm, scaly, long-setose; calyx lobes 1–7 mm, lanceolate to ovate, persistent in fruit, scaly, long-setose, margin long-setose; corolla funnelform-campanulate, yellow, sometimes with orange spots, 2–3.3 cm; tube 10–12 mm; outer surface scaly, long-setose; stamens 10, filaments pubescent towards base; ovary scaly, setose; style slender, straight, usually longer than corolla. Capsule cylindric, ca. 10 mm, scaly, long setose. Fl. May–Jun, fr. Jul–Aug.

Cliffs, ledges, boulders; 3000–3700 m. W Yunnan.


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