Flora of North America species comparison

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Vitis arizonica

Vitis ×doaniana

canyon grape

Doan's grape, grape, panhandle grape
Habit Plants sprawling to low climbing, shrubby, much branched. Plants usually high climbing, sometimes sprawling and ± shrubby when without support, sparsely branched.
Branches

bark exfoliating in plates;

nodal diaphragms 1.5–3 mm thick;

branchlets slightly angled when young, becoming terete, arachnoid or arachnoid-floccose, sometimes glabrescent, growing tips not enveloped by unfolding leaves;

tendrils along length of branchlets, soon deciduous if not attached to support, branched, 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 1.5–3 mm;

petiole 1/2 to ± equaling blade;

blade cordate to cordate-ovate, 5–12 cm, usually unlobed to 3-shouldered, sometimes shallowly 3-lobed, apex acute to acuminate, abaxial surface not glaucous, moderately to sparsely arachnoid, visible through hairs, veins and vein axils sometimes only hirtellous, adaxial surface sparsely arachnoid or 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

4–12 cm.

4–10 cm.
Flowers

functionally unisexual.

functionally unisexual.
Berries

black, slightly or not glaucous, globose, 6–10 mm diam., skin separating from pulp;

lenticels absent.

black, heavily glaucous, globose, 12+ mm diam., skin separating from pulp;

lenticels absent.
2n

= 38.

= 38.

Vitis arizonica

Vitis ×doaniana
Phenology Flowering Apr–Jun; fruiting Jul–Oct. Flowering Apr–May; fruiting Jul–Aug.
Habitat Stream banks, canyon bottoms.
Elevation 400–3000 m. (1300–9800 ft.) 200–400 m. (700–1300 ft.)
Distribution
from FNA
AZ; NM; NV; TX; UT; Mexico (Chihuahua, Coahuila, Nuevo León, Sinaloa, Sonora)
[WildflowerSearch map]
[BONAP county map]
from FNA
OK; TX
[BONAP county map]
Discussion

Vitis arizonica is variable and intergrades with V. girdiana in southern Nevada; it is in need of in-depth field and experimental studies. Some authors have recognized two varieties of this species (vars. arizonica and glabra), but the characters used to distinguish them intergrade so freely that their recognition does not seem justified.

(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. 13. FNA vol. 12, p. 11.
Parent taxa Vitaceae > Vitis > subg. Vitis Vitaceae > Vitis > subg. Vitis
Sibling taxa
V. acerifolia, V. aestivalis, V. californica, V. cinerea, V. girdiana, V. labrusca, V. monticola, V. mustangensis, V. palmata, V. riparia, V. rotundifolia, V. rupestris, V. shuttleworthii, V. vinifera, 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. shuttleworthii, V. vinifera, V. vulpina, V. ×champinii, V. ×novae-angliae
Synonyms V. arizonica var. galvinii, V. arizonica var. glabra, V. treleasei
Name authority Engelmann: Amer. Naturalist 2: 321. (1868) Munson ex Viala: Mission Vitic. Amér., 101. (1889)
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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