Trees, 6-10 m tall. Branchlets gray, striate, glabrous, or slightly puberulent when young. Petiole 1.5-2.5 cm, glabrous; leaf blade obovate-oblong, 8-12 × 2.5-5 cm, papery, both surfaces glabrous or sparsely puberulent at base of midrib when young, lateral veins 7 or 8 on each side of midrib, base rounded or shallowly cordate, margin entire, or sparsely denticulate, apex acute or acuminate. Inflorescence thyrsoid, ca. 5 cm, densely many-flowered, red-brown stellate puberulent. Pedicel 2-3 mm. Calyx obconical campanulate, ca. 3 mm, both surfaces puberulent, 5-lobed, lobes broadly triangular, less than 1 mm. Petals 5, yellowish, narrowly spatulate, ca. 7 × 1.5 mm. Androgynophore ca. 1 cm, glabrous. Ovary puberulent. Capsule ellipsoid-pyriform, 1.5-2 × 1-1.5 cm, apex truncate, densely yellowish brown puberulent. Seeds ca. 1.6 cm including wing, wing oblong-falcate or oblong-elliptic. Fl. May-Jul.
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