Leaves alternate, simple, with long caducous stipules enclosing the leaf-buds and leaving circular scars round the stem
Ovary 2–5 (6)-locular; loculi 1-ovulate; ovule pendulous; style simple
Fruit drupaceous or samaroid; endosperm scanty or absent
Stamens 8–10; anthers 2-thecous, opening longitudinally
Sepals 4–5, imbricate, slightly united at the base
Stamens 8–10; anthers 2-celled, opening lengthwise
Ovary 2-celled; ovules 1 per cell; style solitary
Seeds without or with scant endosperm
Flowers hermaphrodite, actinomorphic
Flowers bisexual, actinomorphic
Fruits drupaceous or samaroid
Petals 4–5, imbricate, free
Calyx-lobes 4–5, imbricate
Disk present
Disk present
Large trees