Plant Form Medium trees. Size 6-15 m tall. Stem Smooth light grey or brown bark, becoming rougher with age. Leaves Large leaves 20-30 cm long, divided into 3-9 oval or egg-shaped leaflets. Flowers Greenish to pinkish, without petals, in clusters (male) or drooping on stalk (female). Fruit and Seeds Dry, winged green to brown as mature. V-shaped and fly like propellors. Habitat Along watercourses, wet forests, woodlands, roadsides and other disturbed areas. Distinguishing Features Smaller and more complex leaves than similar Sycamore maple (Acer pseudoplatanus). Propellor-like fruits differ from Fraxinus species. Impacts Outcompetes and alters native vegetation, can damage pavement and pipes in urban areas.