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Water hickory is also called bitter pecan or swamp hickory. Its
scientific name comes from the Greek words carya (walnut)
and aquatica (growing in water). It is best known for
its use in smoking meats, such as ham and bacon, whose rich,
hickory-smoked flavor are a southern tradition. Water hickory trees regenerate aggressively in swamps and wetlands. The trees are also grown as shade trees, or for fuelwood. The timber is of little value, since the wood tends to be of inferior quality and dimensionally unstable. This tree may easily be confused with pecan hickory, but the fruits are distinctly flattened, unlike the more rounded, pecan nuts. Several wildlife species consume the fruits of water hickory trees, including wild hogs, wood ducks and squirrels, who depend heavily on the nuts in their diets. The trees also provide refuge for numerous smaller animals and birds. |
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While water hickory is not particularly susceptible to insects, or disease, mistletoe infestations may cause problems and damage from sapsucker holes may weaken the tree and increase vulnerability. Water hickory is found along the Atlantic and Gulf coastal plains from Virginia to Florida and west into Texas. It also grows in the Mississippi valley as far north as southern Illinois. |
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| Identifying Characteristics | ||
Size/Form: |
Water hickory is a large, deciduous tree that grows from 80' to 100' tall and has a narrow crown. | |
Leaves: |
The leaves are alternately arranged, pinnately compound and 9" to 15" long. The compound leaves have 5 to 13 narrow, elliptical leaflets per leaf. Leaflets are about 3" to 5" long, 1" to 2" wide and have a slight sickle-shape and finely serrate margins. The leaf bases are wedge-shaped, rounded, or may taper to a point, while leaf tips are acutely tapered. The leaves are dark green and smooth above and paler below, with some hairiness along the midrib and veins. The rachis is dark red and hairy. | |
Fruit: |
The fruit is a flattened, thick-walled, ovoid-shaped nut, encased in a thin husk. The nuts are wrinkled and bitter tasting. | |
Bark: |
The mature bark is light brown, with long, shaggy, plate-like scales and vertical fissures. Young twigs are slender and dark brown, with terminal buds. | |
Habitat: |
Water hickory grows best in moist, well-drained, loamy soils, along riverbanks and in sloughs and flood plain forests, where flooding is brief. It tolerates wet, but not continuously saturated sites. It prefers partial shade to full sun. | |
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