Vitis vinifera |
Vitis ×doaniana |
|
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cultivated grape, European grape, grape of commerce, wine grape |
Doan's grape, grape, panhandle grape |
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Habit | Plants sprawling to moderately high climbing, sparsely branched. | Plants usually high climbing, sometimes sprawling and ± shrubby when without support, sparsely branched. |
Branches | bark exfoliating in shreds or plates; nodal diaphragms 3–5 mm thick; branchlets terete to slightly angled, pubescent, sometimes glabrescent, growing tips not enveloped by unfolding leaves; tendrils along length of branchlets, persistent, tendrils (or inflorescences) at only 2 consecutive nodes; nodes not red-banded. |
bark tardily exfoliating in shreds; nodal diaphragms 1–2 mm thick; branchlets terete, densely tomentose to glabrate, growing tips not enveloped by unfolding leaves; tendrils along length of branchlets, persistent, branched, tendrils (or inflorescences) at only 2 consecutive nodes; nodes not red-banded. |
Leaves | stipules usually more than 3.5 mm; petiole ± equaling blade; blade cordate-ovate to cordate-orbiculate, 12–20 cm, usually 3-shouldered to 3–5-lobed, sometimes deeply so, apex acute to short acuminate, abaxial surface not glaucous, sparsely pubescent to glabrate, visible through hairs, adaxial surface usually glabrous. |
stipules 3–6 mm; petiole 1/2 blade; blade cordate, 5–15 cm, usually 3-shouldered to shallowly 3-lobed, apex acute to short acuminate, abaxial surface not glaucous, moderately to densely arachnoid, visible through hairs, veins hirtellous, adaxial surface sparsely to moderately arachnoid. |
Inflorescences | 10–20 cm. |
4–10 cm. |
Flowers | bisexual. |
functionally unisexual. |
Berries | usually reddish purple to nearly black, sometimes yellow-green, ± glaucous, oblong to ellipsoid, 8–25 mm diam., skin adhering to pulp; lenticels absent. |
black, heavily glaucous, globose, 12+ mm diam., skin separating from pulp; lenticels absent. |
2n | = 38, 76. |
= 38. |
Vitis vinifera |
Vitis ×doaniana |
|
Phenology | Flowering Apr–Jun; fruiting Jul–Sep. | Flowering Apr–May; fruiting Jul–Aug. |
Habitat | Riparian areas, disturbed sites. | |
Elevation | 0–1200 m. (0–3900 ft.) | 200–400 m. (700–1300 ft.) |
Distribution |
CA; ID; MA; NH; NY; OR; PA; WA; BC; Europe [Introduced in North America]
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OK; TX |
Discussion | Vitis vinifera and cultivars formed by hybridization between it and native North American species or through selection are cultivated in Europe, many parts of the United States and southern Canada, and parts of Central and South America, Africa, Asia, and Australia; these have been reported persisting from cultivation (for example, in California, Utah, and Virginia) and occasionally escaping. Some specimens keying here may represent naturally occurring hybrids between native species and V. vinifera or its hybrid cultivars. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Vitis ×doaniana is endemic to well-drained soils of the Rolling Plains and Cross Timbers and Prairies regions in north central Texas and adjacent Oklahoma. Vitis ×doaniana is a hybrid between V. mustangensis and V. acerifolia, and was once more common in nature than it is at present. It was named for Judge J. Doan of Wilbarger County, Texas, who manufactured wine from the berries of this species. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 12, p. 8. | FNA vol. 12, p. 11. |
Parent taxa | Vitaceae > Vitis > subg. Vitis | Vitaceae > Vitis > subg. Vitis |
Sibling taxa | ||
Name authority | Linnaeus: Sp. Pl. 1: 202. (1753) | Munson ex Viala: Mission Vitic. Amér., 101. (1889) |
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