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Carya ovata var. ovata (northern shagbark hickory) has its largest leaflets over 20 cm (8 in) long and nuts 3–4 cm (1 + 1 ⁄ 8 – 1 + 5 ⁄ 8 in) long. Carya ovata var. australis (southern shagbark hickory or Carolina hickory) has its largest leaflets under 20 cm (8 in) long and nuts 2–3 cm (3 ⁄ 4 – 1 + 1 ⁄ 8 in) long.
Carya ovata (shagbark hickory) [58] Mature specimens can be identified by the peeling bark. It grows well in humid climates. This species and Carya glabra account for much of the supply of hickory wood in the US. Uses: timber; palatable food, pulpwood, sap resins. [59] All but FL
Carya laciniosa, the shellbark hickory, in the Juglandaceae or walnut family is also called kingnut, big, bottom, thick, or western shellbark, attesting to some of its characteristics. It is a slow-growing, long-lived tree, hard to transplant because of its long taproot, and subject to insect damage.
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.
Hickory is a common name for trees composing the genus Carya, which includes 19 species accepted by Plants of the World Online. [3]Seven species are native to southeast Asia in China, Indochina, and northeastern India (), and twelve are native to North America.
Carya ovalis, the red hickory or sweet pignut hickory, is a fairly uncommon but widespread hickory native to eastern North America. It is typically found growing in dry, well drained sandy upland ridges and sloped woodlands from southern Ontario, Canada, and in the United States east to New Hampshire, south to northern Florida west to eastern Texas and north-west to Nebraska. [2]
Carya myristiciformis, the nutmeg hickory, a tree of the Juglandaceae or walnut family, also called swamp hickory or bitter water hickory, is found as small, possibly relict populations across the Southern United States and in northern Mexico on rich moist soils of higher bottom lands and stream banks. Little is known of the growth rate of ...
Pecan is a 32-chromosome species (1N = 16) that readily hybridizes with other 32-chromosome members of the Carya genus, such as Carya ovata, Carya laciniosa, Carya cordiformis and has been reported to hybridize with 64-chromosome species such as Carya tomentosa. Most such hybrids are unproductive.