Primary vascular tissue usually bicollateral. Internal phloem commonly present . Vessels with vestured pits. Wood parenchyma scanty paratracheal. Reproductive type, pollination .
Fertile flowers hermaphrodite .
Unisexual flowers absent . Anemophilous, or entomophilous. Inflorescence, floral, fruit and seed morphology . Inflorescences terminal, or axillary. Androecium exclusively of fertile stamens, or including staminodes.