Allocasuarina littoralis

Dioecious (or less commonly monoecious) tree or shrub, usually 5–15 m tall, but sometimes shorter; penultimate branchlets woody. Bark fissured. Branchlets ascending or drooping, mostly to 20 cm long; internodes 4–10 mm long, 0.4–1 mm diam., smooth, pubescent in furrows; ribs angular or rounded with central keel. Teeth (5–)6–8(–9), erect or rarely spreading, c. 0.5 mm long, not overlapping, usually not withered. Male spikes 5–50 mm long, 6–13 whorls per cm; anther c. 0.5 mm long; bracteoles persistent. Cones cylindric, usually longer than broad, pubescent at least when young, on peduncle 4–23 mm long; cone body 10–30(–45) mm long, 8–21 mm diam.; valves in several rows, hardly extending beyond cone body, broadly acute to obtuse, sometimes pungent, thick pyramidal protuberance shorter than bracteole body, occasionally with 2 lateral bodies. Winged seeds 4–10 mm long, dark brown to black. Flowers all year.