Casuarinaceae
Stems green, jointed, ridged; leaves reduced to a whorl of scale-like teeth at each joint Casuarinaceae
Bracteoles of cone thickly woody, convex and with a dorsal protuberance; not extending well beyond the cone body. Mature nut reddish brown to black, glossy. Teeth on the branchlets in whorls of 4–14 Allocasuarina
Surface of branchlet ridges uneven. Trees
Surface of branchlet ridges smooth, may be pubescent with tiny hairs in A. distyla and A. paludosa. Trees or shrubs