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butternut
A deciduous, broad tree reaching a height of between 15m and 18m at maturity, with deeply furrowed grey to brown bark and oblong-shaped foliage which emerges copper-coloured, changing to bright green then yellow in autumn. Male flowers are pale green and catkin-like whilst female are red and furry, turning to green fruit in late summer from which edible walnuts can be extracted. Walnuts are produced on quite young trees - usually less than ten years old. Most walnut trees will need a pollinator of a different variety, even if self-fertile