Jepson eFlora: Taxon page
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Vitis vinifera
WINE GRAPE

Higher Taxonomy
Family: VitaceaeView DescriptionDichotomous Key

Common Name: GRAPE FAMILY
Habit: Woody vine [shrub]; tendrils opposite leaves. Stem: generally lenticelled. Leaf: alternate, simple or compound, petioled, deciduous; stipules generally deciduous. Inflorescence: cyme, panicle, generally opposite leaf, peduncled. Flower: generally bisexual, radial; sepals generally reduced, generally fused, lobes 0 or 5; petals generally 5, free, reflexed, falling individually, or adherent at tips, +- erect, falling as unit, +- red or +- yellow; stamens generally 5, opposite petals; nectaries 0 or between stamens as +- free glands; ovary 1, superior, chambers generally 2(4), style 1 or 0, stigma inconspicuous or head-like. Fruit: berry. Seed: 1--6.
Genera In Family: 15 genera, +- 800 species: especially warm regions; some cultivated (Cissus, grape ivy; Parthenocissus, Virginia creeper; Vitis, grape).
eFlora Treatment Author: Eric B. Wada & M. Andrew Walker, except as noted
Scientific Editor: Thomas J. Rosatti.
Genus: VitisView DescriptionDichotomous Key

Common Name: GRAPE
Stem: bark peeling; stem center brown, partitioned at nodes; tendril tips without adhering disks. Leaf: simple, crenate to serrate. Inflorescence: panicle of often head- or umbel-like clusters. Flower: unisexual or bisexual; calyx +- green, lobes 0 or short; petals adherent at tips, +- yellow; stamens 3--9 mm, generally erect, in pistillate flowers reflexed and sterile or 0; nectaries +- free glands. Fruit: 4--20 mm wide, spheric to ovoid, glaucous or not. Seed: 1--4, obovoid.
Species In Genus: 65 species: temperate, subtropics. Etymology: (Latin: vine) Note: Vitis californica, Vitis girdiana differ in nuclear rDNA sequences.

Vitis vinifera L.
NATURALIZED
Stem: hairy, generally glabrous in age; nodal partitions generally 3--5 mm thick. Leaf: cordate to reniform, generally serrate, glabrous or hairy, lobes 0 or 3--5, deep; stipules generally < 3.5 mm. Flower: bisexual. Fruit: generally > 8 mm wide, spheric to ovoid, purple to blue-black, densely to not glaucous; skin adherent to pulp. Seed: round structure opposite attachment scar sunken or raised. Chromosomes: 2n=38,57,76.
Ecology: Abandoned fields, roadsides; Elevation: < 1000 m. Bioregional Distribution: GV, CW; Distribution Outside California: native to Europe. Flowering Time: May--Jun Note: Hybrids with Vitis californica commonly found in riparian areas near vineyards.
eFlora Treatment Author: Eric B. Wada & M. Andrew Walker
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Citation for this treatment: Eric B. Wada & M. Andrew Walker 2016. Vitis vinifera, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=48438, accessed on May 28, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on May 28, 2016.


Geographic subdivisions for Vitis vinifera:
GV, CW;
Markers link to CCH specimen records. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues. Purple markers indicate specimens collected from a garden, greenhouse, or other non-wild location.
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map of distribution 1
(Note: any qualifiers in the taxon distribution description, such as 'northern', 'southern', 'adjacent' etc., are not reflected in the map above, and in some cases indication of a taxon in a subdivision is based on a single collection or author-verified occurence).

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Data provided by the participants of the Consortium of California Herbaria.
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CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa.
Blue line denotes eFlora flowering time.