Trees, small, 7-10 m tall. Branchlets 4-angled, glabrous. Petiole 2-5 mm; leaf blade ovate-elliptic or elliptic-lanceolate, 4.5-6.5(-11.5) × 2.2-3(-4) cm, papery, glabrous, lateral veins 5-7 pairs, base cuneate to subrounded, apex shortly to long acuminate. Panicles pyramidal, 5-12 cm. Floral tube (4 or)5 or 6-merous, 4-5 mm, smooth walled, with 12 dark veins or obscurely 12-ribbed; sepals 1.5-2 mm, adaxially glabrous; annulus present, thin, scarcely developed; epicalyx absent. Petals white, oblong-lanceolate to elliptic, 6-7 mm including claw 1.5-3 mm. Stamens ca. 20, dimorphic. Ovary glabrous. Capsules ellipsoidal, 6-8 × 4-5 mm. Seeds including wing ca. 6 mm. Fl. Jul, fr. Oct.
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