Trees, 10-19 m tall; branchlets grayish brown, glabrous. Petiole 1.5-3.5 cm, grooved apically, inflated basally; leaf blade narrowly ovate to lanceolate, 11-20 × 2-2.8 cm, leathery, glabrous, deep green adaxially, light green abaxially, base cuneate, margin entire, undulate, apex acute or shortly acuminate, lateral veins ca. 20 pairs, midrib elevated on both sides, reticulate venation pattern prominent on both sides. Inflorescence paniculate, terminal, branched basally, 10-19 cm, glabrous; floral subtending bracts triangular, ca. 1.5 mm. Pedicels ca. 2 mm, articulated. Sepals ovate, ca. 2 × 1.5 mm, glabrous, concave. Petals yellowish green, with 4 or 5 brown prominent veins adaxially, oblong-lanceolate, ca. 4 × 1.5 mm. Fertile stamen 1, 2.5-3 mm; staminodes (1 or)2 or 3; anthers absent. Disk 4- or 5-lobed. Ovary globose, ca. 1.2 mm in diam. at anthesis; style subterminal, shorter than fertile stamen. Drupe rounded to slightly compressed, 4-5 cm in diam.; mesocarp thin; endocarp oblique, ovate or rhomboid-ovate, compressed, ca. 4 × 2.5 cm. Fl. Apr, fr. May-Jun.