![]() ![]() This adaptation benefits both the flower and the bee. This guide helps a bee quickly locate the flower's center. The contrasting ultraviolet pattern called a nectar guide. However, bees can detect ultraviolet light. This region appears invisible to humans because our visual spectrum does not extend into the ultraviolet. Many of the flowers pollinated by bees have a region of low ultraviolet reflectance near the center of each petal. Other bee species or other insects that are too small or too large are excluded. ![]() Only bees of the right size and weight can trigger the flower to open. Snapdragon flowers have sturdy, irregular shaped flowers with landing platform. ![]()
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