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Trees or shrubs, without latex, glabrous. Leaves opposite, petiolate; stipules very small, triangular, free, tardily deciduous. Inflorescence pedunculate, (1–)few-flowered, cymose, usually regularly dichasial, simple, axillary, single or paired; bracts persistent. Flowers bisexual or rarely unisexual, pedicellate, with pedicels articulated in the lower third. Sepals (4–)5, equal, imbricate, united at the base. Petals (4–)5, greenish, imbricate in bud, spreading. Stamens (4–)5, with filaments united with base of disc; anthers sub-basifixed, introrse, with separate thecae dehiscing longitudinally. Disc intrastaminal, single, flat or concave, somewhat fleshy (4–)5-lobed. Ovary superior, sessile, 2-locular becoming 1-locular by abortion, with 2–8 erect ovules in 2 rows in the fertile locule; style simple, sometimes very short, becoming lateral in fruit due to development of only 1 locule; stigma unlobed. Fruit drupaceous, dry, 1-locular, with thin pericarp. Seeds 1(–2), with endosperm.
Bisexual trees or shrubs. Leaves opposite, decussate; stipules minute, caducous. Flowers in cymes in axils of leaves or cataphylls. Sepals and petals 5, rarely 4, imbricate. Stamens 5, inserted outside disc; anthers sub-basifixed, introrse. Ovary free or slightly immersed in disc, 1-locular by abortion, rarely 2-locular, with (in Australia) 2 collateral ovules per locule. Fruit a 1-locular nut, with a prominent, persistent, hardened, lateral style; exocarp and mesocarp thin, coriaceous; endocarp crustaceous. Seeds 1, rarely 2, exarillate.
Evergreen trees or shrubs, glabrous. Leaves opposite, decussate, entire, stipulate. Inflorescence axillary, cymose. Flowers bisexual, 5-merous. Disk fleshy, cupular, 5-lobed, intrastaminal; anthers longitudinally dehiscent, introrse. Ovary 2-locular or reduced to 1-locular; ovules erect, 2-8 per locule. Nut ellipsoid or obovoid, bony, with a prominent persistent lateral style. Seed 1, ovoid.
Ovary superior, sessile, 2-locular becoming 1-locular by abortion, with 2-8 erect ovules in 2 rows in the fertile loculus; style simple, sometimes very short, becoming lateral in fruit due to development of only 1 loculus; stigma unlobed.
Inflorescence pedunculate, (1-) few-flowered, cymose, usually regularly dichasial, simple, single or paired in leaf axil; bracts persistent.
Stamens (4)5, with filaments united with base of disk; anthers sub-basifixed, introrse, with separate thecae dehiscing longitudinally.
Disk intra-staminal, single, flat or concave, somewhat fleshy, (4)5-lobed.
Leaves opposite, petiolate; stipules very small, free, tardily deciduous.
Fruit drupaceous, dry, 1-locular, with thin pericarp.
Flowers bisexual or rarely unisexual, pedicellate.
Sepals (4)5, imbricate, united at the base.
Trees or shrubs, without latex, glabrous.
Petals (4)5, greenish, imbricate in bud.
Seeds 1(2), exarillate.
