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Carya cordiformis, the bitternut hickory, [2] also called bitternut, yellowbud hickory, or swamp hickory, is a large hickory species native to the eastern United States and adjacent Canada. Notable for its unique sulphur-yellow buds, it is one of the most widespread hickories and is the northernmost species of pecan hickory ( Carya sect ...
Shellbark hickory may be found in pure groups of several trees but is more frequent singly in association with other hardwoods. The species is a minor component of the forest cover types bur oak (Society of American Foresters type 42), pin oak–sweetgum (type 65), and swamp chestnut oak–cherrybark oak (type 91).
The name "hickory" derives from a Native American word in an Algonquian language (perhaps Powhatan).It is a shortening of pockerchicory, pocohicora, or a similar word, which may be the name for the hickory tree's nut, or may be a milky drink made from such nuts. [4]
The current oak–hickory forest includes the former range of the oak–chestnut forest region, which encompassed the northeast portion of the current oak–hickory range. When the American chestnut population succumbed to invasive fungal blight in the early 20th century, those forests shifted to an oak and hickory dominated ecosystem.
Carya ovata, the shagbark hickory, is a common hickory native to eastern North America, with two varieties. The trees can grow to quite a large size but are unreliable in their fruit output. The nut is consumed by wildlife and historically by Native Americans, who also used the wood.
Carya glabra, the pignut hickory, is a common, but not abundant species of hickory in the oak-hickory forest association in the Eastern United States and Canada. Other common names are pignut , sweet pignut , coast pignut hickory , smoothbark hickory , swamp hickory , and broom hickory .
The tree produces spiky green fruits about the size of a golf ball, which turn brown and drop off the tree over an extended period beginning in fall and continuing over the winter.
Carya tomentosa, commonly known as mockernut hickory, mockernut, white hickory, whiteheart hickory, hognut, bullnut, is a species of tree in the walnut family Juglandaceae. The most abundant of the hickories , and common in the eastern half of the United States, it is long lived, sometimes reaching the age of 500 years.