Name (Graybark Grape) for the vine species Vitis cinerea; see there.
One of around 30 American species or wild vines with the botanical name Vitis cinerea Engelm. ex Millardet. It is similar to the species Vitis aestivalis and in the 19th century the two were still equated or cinerea was regarded as a variety of aestivalis. It was not until 1880 that the German botanist Georg Engelmann (1809-1884) categorised Vitis cinerea as an independent species. This is why both Georg Engelmann and the French phylloxera pioneer Alexis Millardet (1838-1902) are cited in the botanical name. Today, the species is subdivided into the following varieties:
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Markus J. Eser
Weinakademiker und Herausgeber „Der Weinkalender“