Evergreen trees, 6-30 m tall. Bark grayish brown, with thick and longitudinal dehiscences. Branchlets green, black-brown when dry, many corky-lenticellate; current year branchlets angular. Leaves alternate; leaf blade pale green abaxially, green and shiny adaxially, elliptic-lanceolate, 6-12 × 1.5-3 cm, papery or sometimes nearly leathery, glabrous on both surfaces, pinninerved, lateral veins (4 or)5 or 6 pairs, indistinct, midrib yellowish green, convex abaxially, base cuneate, apex acuminate. Umbels 2 or 3, inserted at top of axillary branchlets, yielded before leaf; peduncles 10-20 mm, brown pubescent; involucral bracts 4, brown pubescent, 4-9-flowered inside. Pedicels 5-6 cm. Tepals oblong or ovate-oblong, ca. 4 mm, brown-yellow pubescent, rather dense outside, distinctly glandular punctate. Male flowers: stamens subequal, 4-5 mm; filaments pubescent, 2-glandular at base in 3rd whorl; glands reniform, stipitate, stipes ca. 1 mm; reduced pistil less than 1 mm, ovate, glabrous; style and stigma forming a small mucro. Female flowers: reduced stamens fasciated, laxly pubescent, ca. 3 mm in 1st whorl, ca. 3.5 mm in 2nd whorl, 2-3 mm in 3rd whorl, 2-glandular at upper part or near apex of filaments; glands narrowly elliptic, ca. 1 mm; pistil glabrous; ovary ovate, ca. 2 × 1.5 mm; style ca. 3 mm; stigma 2-lobed, papillose. Fruits globose, 5-6 mm in diam.; stipes 4-6 mm. Fl. Mar-Apr, fr. Aug-Sep.
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