|Botanical Name||Buchanania lanzan|
Evergreen trees, 13-15 m tall; young branches dark brown, ferruginous tomentose, branchlets subglabrous, with elevated lenticels. Petiole 1.5-2.2 cm, with long ferruginous hairs; leaf blade broadly oblong, 12-24 × 6-10 cm, leathery, at first with long ferruginous hairs on both sides, later subglabrous adaxially, base rounded or broadly cuneate, margin entire, slightly revolute, apex rounded to retuse, lateral veins 12-20 pairs, reticulate venation pattern slightly impressed adaxially, prominent abaxially.
Inflorescence paniculate, terminal, up to 20 cm; peduncle and rachis robust, densely covered with long ferruginous hairs. Flowers sessile, white, ca. 2.5 mm in diam. Calyx ferruginous pubescent, lobes lanceolate, ca. 1.5 mm, with ciliate margins. Petals oblong, ca. 2.5 mm, glabrous, slightly revolute toward apex. Stamens 10; filaments threadlike, 2 × as long as anthers; anthers oblong. Carpels 5 or 6, densely ferruginous tomentose. Drupe lens-shaped, ca. 9 mm, brownish-black at maturity. Fl. Mar-Apr, fr. May-Jul.