Family Casuarinaceae, Beefwood family, משפחת קזואיניים
Dioecious, less often monoecious trees with drooping equisetoid (meaning "looking like Equisetum) branchlets. Flowers clustered in unisexual inflorescences with alternating whorls of bracts. Male inflorescences spicate, solitary and terminal. Female inflorescence spherical or ovoid, axillary towards the end of woody branches. Fruit a dark-coloured samara.