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

111. Rhododendron maowenense Ching & H. P. Yang, Bull. Bot. Res., Harbin. 3(2): 96. 1983.

茂汶杜鹃 mao wen du juan

Erect much-branched virgate shrubs, 2–4 m tall; branches of current year densely ferruginous to dark scaly. Petiole ca. 1 mm, scaly; leaf blade elliptic, 0.6–1.2 × 0.3–0.5 cm; base broadly cuneate; apex rounded, strongly mucronate; abaxial surface yellow brown, scales contiguous, 2-colored, fuscous, with fawn-brown scales dispersed among them; adaxial surface dull green, scales nearly contiguous, yellow. Inflorescence 1-flowered. Pedicel 0.1–0.15 cm, scaly; calyx lobes ca. 2.2 mm, oblong or broadly ovate, usually unequal, scales present, forming a central band abaxially, margin ciliate or scaly; corolla broadly funnelform, yellow, 1–1.4 cm, tube ca. 5 mm, throat villous; stamens 8–10, slightly shorter than corolla, filaments villous towards base; ovary ca. 2 mm, densely scaly; style to 1.7 cm, longer than corolla and stamens, sparsely pubescent towards base. Capsule ovoid, ca. 3.5 mm, densely scaly. Fl. May–Jun, fr. Jul–Aug.

Alpine Populus and Salix forests; ca. 3000 m. N Sichuan.


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