Trees or less often shrubs. Leaves alternate, paripinnate; leaflets distinctly glaucous beneath. Inflorescences axillary or distal (also cauliflorous in N. cuspidatum), simple or paniculate thyrses. Flowers actinomorphic, diclinous; calyx cup-shaped, with valvate aestivation, sepals free or connate at base, 4-6 subequal; petals wanting or 4-6, clawed, with a bilobed appendage (seemingly connate, reflexed, basal margins); disc annular; stamens 4-10; ovary (1)2(-4)-carpellate, with a single ovule per carpel, style elongated, stigma 2(3)-lobed, elongated and usually coiled. Fruits 1(2)-coccate, tardily loculicidally dehiscent, the pericarp warty, tuberculate or echinate, coriaceous or less often woody or corky. Seeds completely covered by edible sarcotesta.