Erect shrubs, small trees, or lianas; branchlets and leaves densely yellowish or gray-white tomentose. Petiole 5-10 mm; leaf blade oblong or elliptic-oblong, 9-15 × 4-8 cm, abaxially densely yellowish or gray-white tomentose to sparsely pubescent along veins, adaxially glabrate, or both surfaces glabrous, base broadly cuneate or rounded, with or without glands, apex shortly acuminate. Racemes axillary, densely yellow-brown pu-bescent; pedicels 1.5-2 cm, articulate distally, bracteoles lanceolate. Sepals 4-5 mm, densely yellow-brown pubescent, apex triangular; gland black, oblong-lanceolate, 3-4 mm, base decurrent to pedicel. Petals white or pink, ovate or rotund, 8-11 × 6-8 mm, densely white pubescent. Stamens differing in size, longest up to 15 mm, others 3-4 mm; anthers 1.5-2 mm. Style thin, ca. 12 mm, apex pointed. Samara yellow-brown pubescent, abaxial wing elliptic-lanceolate, 3-3.5 cm, apex rounded or sometimes shallowly lobed, lateral wings 1-1.5 cm, apex rounded or shallowly lobed. Fl. Feb-Mar, fr. Apr-May.
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