Acer negundo, the box elder, box elder maple or ash-leaved maple, is a species of maple
native to North America. It is a fast-growing, short-lived tree with opposite, compound leaves. It is sometimes considered a weedy or invasive species, and has been introduced to and naturalized throughout much of the world. It grows up to 10–25 m tall, with a trunk diameter of
30–50 cm diameter. The shoots are green, often with a whitish to pink or violet waxy coating when young. Branches are smooth, somewhat brittle, and tend to retain a fresh green color rather than forming a bark. The bark on the trunk is pale gray or light brown, deeply cleft into broad ridges, and scaly. Acer negundo has pinnate compound leaves that usually have three to seven leaflets. The leaflets are about 5–10 cm long and 3–7 cm wide with slightly serrate margins. Leaves have a translucent light green color and turn yellow in the autumn. The yellow-green flowers are small and appear in early spring, with staminate flowers in clusters on slender pedicels and pistillate flowers on drooping racemes 10–20 cm long.The fruits are paired samaras on drooping racemes, each seed slender, 1–2 cm long, with a 2–3 cm incurved wing; they drop in autumn or they may persist through winter. Seeds are usually both prolific and fertile. Unlike many other maples, A. negundo is fully dioecious and both a male and female tree are needed for reproduction to occur.
18.00 Location E5 Latitude: -38.4029300000000 Longitude: 146.052745000000