Wild Grape Vines: Male or Female?
Have you ever noticed that some wild grape vines bear fruit, while others appear barren? There is a very good reason for this — it depends on whether you are looking at a male or a female grape vine. The most common wild grapes in New England are Vitis labrusca (Fox Grape) or Vitis riparia (Riverbank Grape, or Frost Grape) – both of which have separate male and female plants (dioecious). The female plants, if their flowers are fertilized, produce grapes, whereas the flowers of the male vines do not. In contrast, most cultivated grape varieties are hermaphroditic — their flowers have both male and female reproductive structures, and can self-pollinate and produce fruit.
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