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*Vitis ×alexanderi Prince ex Jacques. Concord Grape. Hab: Commonly cultivated as a table grape, sometimes persistent after cultivation. Dist: A garden hybrid between the North American V. labrusca and the Mediterranean V. vinifera.

Origin/Endemic status: Garden origin

Taxonomy Comments: A garden-derived hybrid derivative from V. labrusca × vinifera. "Phylogenetic analyses of the plastid and nuclear data using maximum likelihood and Bayesian inference support the hybrid origin of the Concord grape. The results clearly pinpoint the wine grape, V. vinifera, as the maternal donor and the fox grape, Vitis labrusca, which is common in northeastern North America, as the paternal donor. Moreover, we infer that the breeding history of the Concord grape must have involved the backcrossing of the F1 hybrid with the paternal parent V. labrusca. This backcrossing also explains the higher morphological similarity of the Concord grape to V. labrusca than to V. vinifera." (Wen et al. 2020). The name (hybrid epithet) with priority for a hybrid between V. labrusca and V. vinifera is V. ×alexanderi Prince ex Jacques (Mabberley 1999).

Synonymy: = Mabberley (1999); = Vitis ×labruscana – FNA12, K1, K3, K4, Pa, Wen et al (2020); = Vitis labrusca × vinifera – NY; = Vitis labruscana L.H.Bailey – C, F; < Vitis labrusca L.

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Wetland Indicator Status:

  • Eastern Mountains and Piedmont: FACU (name change)
  • Northcentral & Northeast: FACU (name change)

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