Flora of North America species comparison

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Vitis vinifera

Vitis shuttleworthii

cultivated grape, European grape, grape of commerce, wine grape

Calloosa or leatherleaf or Florida grape, calloose grape
Habit Plants sprawling to moderately high climbing, sparsely branched. Plants moderately high climbing, 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 exfoliating in shreds;

nodal diaphragms 2.5–6 mm thick, sometimes continuing halfway into internode;

branchlets subterete to terete, densely to sparsely tomentose, 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 less than 1 mm;

petiole 1/2–3/4 blade;

blade broadly cordate to nearly reniform, 4–12 cm, usually unlobed, sometimes 3-shouldered, infrequently deeply 3–5 lobed, apex acute to obtuse, abaxial surface not glaucous, densely white to rusty tomentose, concealed (except sometimes veins) by hairs, adaxial surface floccose to glabrate.
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.

dark red to purple-black, slightly or not glaucous, globose, 12+ mm diam., skin separating from pulp;

lenticels absent.
2n

= 38, 76.

= 38.

Vitis vinifera

Vitis shuttleworthii
Phenology Flowering Apr–Jun; fruiting Jul–Sep. Flowering Apr–early May; fruiting Jun–Aug.
Habitat Riparian areas, disturbed sites. Well-drained pinelands, thickets.
Elevation 0–1200 m. (0–3900 ft.) 0–100 m. (0–300 ft.)
Distribution
from FNA
CA; ID; MA; NH; NY; OR; PA; WA; BC; Europe [Introduced in North America]
[WildflowerSearch map]
[BONAP county map]
from FNA
FL
[BONAP county map]
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 shuttleworthii is endemic to peninsular Florida and apparently is the closest relative of V. mustangensis.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 12, p. 8. FNA vol. 12, p. 10.
Parent taxa Vitaceae > Vitis > subg. Vitis Vitaceae > Vitis > subg. Vitis
Sibling taxa
V. acerifolia, V. aestivalis, V. arizonica, V. californica, V. cinerea, V. girdiana, V. labrusca, V. monticola, V. mustangensis, V. palmata, V. riparia, V. rotundifolia, V. rupestris, V. shuttleworthii, V. vulpina, V. ×champinii, V. ×doaniana, V. ×novae-angliae
V. acerifolia, V. aestivalis, V. arizonica, V. californica, V. cinerea, V. girdiana, V. labrusca, V. monticola, V. mustangensis, V. palmata, V. riparia, V. rotundifolia, V. rupestris, V. vinifera, V. vulpina, V. ×champinii, V. ×doaniana, V. ×novae-angliae
Synonyms V. coriacea, V. candicans var. coriacea
Name authority Linnaeus: Sp. Pl. 1: 202. (1753) House: Amer. Midl. Naturalist 7: 129. (1921)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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