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plant reproduction
Plants in many families can make fruit parthenocarpically (seedless fruit is
the result, so for a fruit grower that's still ok, but not reproduction). But if not parthenocarpic, even fruits won't form. Examples of dioecious plants that come to mind a date palms (Phoenix dactylifera) persimmon (Diospyros virginiana, D. kaki) red maple (Acer rubrum) Some hollies (not all) (Ilex spp.) at least some of the ashes (Fraxinus spp) papaya (Carica papaya), which has staminate, pistillate, and perfect-flowered individuals Some grapes, including the southern muscadine (Vitis rotundifolia), which, like papaya, has all three types. fig (Ficus carica), although females are often parthenocarpic, and of course, the syconium is not really "fruit" tissue anyway, in the sense of being an ovary. Brazilian pepper (Schinus terebinthefolia) In most of these examples, except for some horticultural cultivars selected for their parthenocarpy, an isolated pistillate ("female") plant will not bear fruit. |
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