Cross-pollinating trees need a neighboring fruit ... Lemons, key limes, and grapefruit are examples of self-fertile citrus varieties. These subtropical trees are known for their glossy leaves ...

Clearly, pollination truly does rely on the birds and the bees, as well as insects, to fulfill plant reproduction. They are ...

self pollination - pollen from an anther of the same flower or same plant arrives at the stigma of the flower. Examples of self-pollinating plants include wheat, barley, rice, tomatoes and potatoes.

Self-pollination occurs when pollen transfer happens ... from one male plant to another female plant. An apple tree, for example, requires cross-pollination, which can occur through the wind ...