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VITACEAE

GRAPE FAMILY

Michael O. Moore

Woody vines; tendrils opposite leaves; flowers sometimes unisexual
Leaves generally many, cauline, simple or compound, alternate, petioled, deciduous; stipules generally deciduous
Inflorescence cyme or panicle, generally opposite leaf, peduncled
Flower radial; sepals generally reduced, generally fused, lobes 5 or 0; petals generally 5, free, reflexed and falling individually (or adherent at tips, ± erect, and falling as unit), reddish or yellowish; 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
Seeds 1–6, large
Genera in family: 15 genera, ± 800 species: especially warm regions; some cultivated (Cissus , grape ivy; Parthenocissus ; Vitis )
Reference: [Moore 1991 Sida 14:339–367]

PARTHENOCISSUS

VIRGINIA CREEPER, WOODBINE


Stem: bark not peeling; stem center white, nodal partitions 0; tendrils generally tipped with adhering disks
Leaf palmately compound; leaflets 3–7, coarsely serrate
Inflorescence: cyme
Flower generally bisexual; calyx red, lobes shallow; petals free, reddish, margins greenish; nectaries obscure or 0
Fruit obovoid
Seeds 1–4, obovoid
Species in genus: 15 species: temp, tropical
Etymology: (Greek: virgin ivy)

Native

P. vitacea (Knerr) Hitchc.

WOODBINE


Stem: tendril branches few, adherent disks generally 0
Leaf: leaflet upper surface glossy, glabrous, lower surface ± dull, glabrous to hairy
Inflorescence: forked at peduncle tip, sometimes again above
Fruit 9–12 mm wide, dark blue to black
Chromosomes: 2n=40
Ecology: Uncommon. Hillsides, thickets, ravines, open woodlands
Elevation: < 1000 m.
Bioregional distribution: Great Central Valley, Central Western California, Southwestern California
Distribution outside California: to Texas, ne US
Synonyms: P. inserta (Kerner) K. Fritsch misapplied
Possibly alien in CA
Horticultural information: 4, 5, 6; IRR: 1, 2, 3, 7, 8, 9, 10, 11, 12, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24.

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