Trees or shrubs, to 14 m tall. Branchlets glabrous to gray puberulous or pubescent. Petiole 2-4 mm; leaf blade oblong, ovate-lanceolate, elliptic, obovate-elliptic, or infrequently obovate, 2-9(-11) × 1-5 cm, papery, abaxially glabrous or slightly pubescent, lateral veins 3-10 pairs, base broadly cuneate to subrounded, apex acuminate. Panicles pyramidal, 7-16(-30) cm, gray-brown pubescent, densely flowered. Floral tube 6-merous, 3.5-4.5 mm, with (10 or)12(or 14) dark veins or obscurely (10 or)12(or 14)-ribbed, glabrous to densely gray pubescent; sepals 1-2 mm, adaxially glabrous; annulus thin or apparently absent; epicalyx absent. Petals white, pink, or purple, broadly ovate with obtuse base, 7-10 mm including claw 3.5-6 mm, claw ca. as long as blade. Stamens 15-30, dimorphic. Ovary glabrous. Capsules globose to mostly oblong, 6-9(-11) mm, 3-6-valved. Seeds including wing ca. 4 mm. Fl. Jun-Aug, fr. Jul-Oct.
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