Shrubs, sometimes small trees, 1.5–3(–5) m tall; young branches brownish purple, cylindric, densely dark brown scaly. Petiole not grooved, 15–30 mm, densely scaly; leaf blade leathery, oblong-elliptic, 11–19 × 3.5–8 cm; base rounded, sometimes slightly cordate to auriculate; apex acuminate; abaxial surface dirty white; adaxial surface sparsely scaly when young, glabrescent; midrib raised abaxially, concave adaxially. Inflorescence terminal, umbellate, 3–4-flowered; bud scales falling off early. Flowers fragrant. Pedicel stout, 1.2–2 cm, densely scaly; calyx lobes ovate, 8–12 mm, persistent in fruit, 1.5–1.8 cm, scaly at base; corolla broadly campanulate, white, 9–11 cm, outer surface scaly; lobes rounded; stamens 10(or 11 or 15), shorter than corolla tube; filaments pubescent below; anthers ca. 8 mm; ovary 5-locular, densely scaly; style slightly exserted from corolla tube, basal half scaly; stigma discoid. Capsule cylindric, lobes keeled, 45–55 mm. Fl. May.
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A shrub or small tree. It grows 2-3 m tall. Young branches are a brownish purple. They have dark brown scales. The leaves are oblong and 11-19 cm long by 4-8 cm wide. The base is rounded or heart shaped and they taper to the tip. They are a dirty white underneath. The flowers are in groups of 3-4 at the ends of the branches. They are white and 9-11 cm across.
It is a subtropical plant. It grows in evergreen broad-leaved forests between 1,100-2,400 m above sea level. In Yunnan. In Rhodo gardens.
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