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

78. Rhododendron dasypetalum I. B. Balfour & Forrest, Notes Roy. Bot. Gard. Edinburgh. 11: 45. 1919.

毛瓣杜鹃 mao ban du juan

Small shrubs, to 0.8 m tall; branchlets with dense flaky scales; bud scales deciduous. Petiole 1–2 mm, scaly; leaf blade elliptic or oblong-elliptic, 0.8–2 × 0.3–0.75 cm; base broadly cuneate to rounded; apex obtuse or rounded, mucronate; abaxial surface uniformly tawny brown, with scales contiguous to overlapping; adaxial surface dark green, shiny, sparsely scaly. Inflorescence usually 2-flowered. Pedicel 0.3–0.4(–0.8) cm, scaly; calyx crimson-purple, lobes 3–4 mm, oblong, persistent in fruit, scaly, pubescent, margin ciliate; corolla broadly funnelform, bright purplish rose, 1.2–1.5(–2) cm, tube 4–8(–10) mm, outer surface not scaly, puberulous, inner surface pubescent; stamens 10, 0.9–1.4 cm, filaments pubescent towards base; ovary 2–2.5 mm, densely pale-scaly; style ca. 1.5 cm, longer than stamens. Capsule ovoid, ca. 5 mm, densely scaly. Fl. Apr–May, fr. Jun–Jul.

Open stony pastures; 3300–3500 m. NW Yunnan.


 

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