|hickory (Carya spp.)||
hickory (Carya spp.; WALNUT FAMILY [Juglandaceae]) Moderate to large (to 100') deciduous trees with alternate, compound leaves, with the terminal leaflet the largest. Staminate flowers are catkins, which are typically in clusters of 3. Fruit is a nut whose husk splits when ripe. Most hickories tend to grow on relatively dry sites, often with oaks. Bitternut hickory, the one species that reaches as far north in Wisconsin as Stevens Point, is a tree of river terraces and moist woods. Hickory wood is strong and notably shock-resistant. 
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