Trees, 8-20 m tall. Bark gray. Branchlets striate, minutely glandular-punctate. Terminal buds small, glabrous. Leaves opposite or subopposite; petiole 1-2 cm, always glandular-punctate; leaf blade abaxially purple-black, adaxially gray-brown, narrowly elliptic, 10-16 × 3-5.5 cm, papery, glabrous, abaxially densely glandular-punctate when dry, midrib adaxially slightly elevated, lateral veins 7-12 pairs, reticulate veinlets slightly conspicuous, base cuneate or broadly cuneate, apex acuminate or long acuminate with an obtuse acumen, always falcately curved. Racemes or panicles axillary, 3-4 cm, subglabrous; peduncles ca. 1 cm. Pedicels ca. 5 mm. Perianth segments suborbicular, ca. 1.5 mm, gray hairy. Filaments usually pubescent. Staminodes usually pubescent. Infructescences robust. Fruits black or black-purple and always minutely punctate when dry, oblong-ellipsoid, 3-4.3 × 2-2.5 cm, rounded at both ends, apex apiculate; fruiting pedicels gray-brown, 1-2.5 cm × 4-6 mm, rugose. Fl. Aug, fr. Oct-Nov.
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