Jepson eFlora: Taxon page
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Vitis girdiana
DESERT WILD 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 girdiana Munson
NATIVE
Stem: densely tomentose in youth, +- remaining so in age; nodal partitions generally 2--3 mm thick. Leaf: cordate to reniform, not folded at midrib, generally serrate, +- tomentose, lobes 0 or 3--5, shallow; stipules generally > 3.5 mm. Flower: unisexual. Fruit: generally < 8 mm wide if seeds 3--4, spheric, black, +- not glaucous; skin separating from pulp. Seed: round structure opposite attachment scar generally sunken. Chromosomes: 2n=38.
Ecology: Streamsides, canyons; Elevation: < 1750 m. Bioregional Distribution: SW, DMtns, expected SnBr, SnGb; Distribution Outside California: southern Nevada, northwestern Arizona, southwestern Utah, Baja California. Flowering Time: May--Jun
eFlora Treatment Author: Eric B. Wada & M. Andrew Walker
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Previous taxon: Vitis californica
Next taxon: Vitis rupestris

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botanical illustration including Vitis girdiana

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Citation for this treatment: Eric B. Wada & M. Andrew Walker 2016. Vitis girdiana, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=48417, accessed on May 30, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on May 30, 2016.


Vitis girdiana
click for enlargement
© 2003 Michael Charters
Vitis girdiana
click for enlargement
© 2003 Michael Charters
Vitis girdiana
click for enlargement
© 2003 Michael Charters
Vitis girdiana
click for enlargement
© 2003 Michael Charters

More photos of Vitis girdiana in CalPhotos


Geographic subdivisions for Vitis girdiana:
SW, DMtns, expected SnBr, SnGb;
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.