毛花柱杜鹃 mao hua zhu du juan

Rhododendron sasakii E. H. Wilson.

Small multi-branched shrubs, 1–2 m tall; young shoots densely brown or gray-brown strigose, hairs flattened. Summer and winter leaves different. Petiole 3–9 mm, densely coarsely strigose, hairs flat; leaf blade papery, oblong-oblanceolate or obovate, 3–4.5 × 2–3 cm; base cuneate; margin entire; apex obtuse to acute; both surfaces densely coarsely red-brown strigose, hairs flattened. Inflorescence 2–4-flowered. Pedicel 0.5–0.9 cm, densely coarsely brown strigose; calyx lobes elliptic-oblong, 2–3 × ca. 1 mm; outer surface sparsely pubescent; margin ciliate; corolla funnelform, pink, 1.5–2 cm; lobes unequal, oblong, ca. 1 cm, apex obtuse to rounded; stamens 10, unequal, partly exserted, filaments flat, with fine papillose hairs below; ovary ovate-conical, ca. 2 mm, densely coarsely brown strigose; style ca. 1.4 cm, with pale brown hairs at base. Capsules long-cylindric-ovoid, ca. 8 × 2.5 mm, densely strigose. Fl. Jun.

Woods; 500–2700 m. C Taiwan.