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Posts tagged “Bogs

Pitcher Plant Flowers

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The Pitcher Plant (Sarracenia purpurea) is a well-known carnivorous plant of bogs. It gets some of its nutrients by trapping and drowning prey in rain water that is caught inside a modified leaf that forms a cup. While most people are familiar with the leaves of Pitcher Plants, unless you visit a bog in June, you’re not likely to see their unique flower. It is curved over when it’s mature and its sepals (modified leaves that protect the bud and are located above the petals in these photographs) are red-purple and pointed; the petals are red and rounded. An approaching insect would be guided into the flower between two of the sepals–it would land on a petal and climb into the flower onto the umbrella-shaped stigma (the sticky top of the female pistil) which I inverted in one photograph in order to show the male pollen-producing stamens. An insect entering the flower would brush against the stamens, collecting pollen on its back while pollen from a previously-visited Pitcher Plant would fall off the insect onto the sticky stigma on which it was standing, pollinating the flower.