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Carnivorous Plants

Carnivorous Plants

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Carnivorous Plants

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  1. Carnivorous Plants

  2. Carnivorous Plants • ~600 species • Sundews • Pitcher plants • Bladderworts • Butterworts • Why are the plants carnivorous? • Why do the victims fall for it?

  3. Nitrogen-poor Habitats • Why? • How do the plants attract prey? • Fate of the prey • Acidity and enzymes • Is escape possible? • Other plant-insect relationships • Ants swim in to steal prey • Habitat for mosquitoes, craneflies, and frogs?

  4. Sundews, Drosera sp. Thread-leaved Sundew Drosera filiformis Round-leafed Sundew Drosera rotundifolia

  5. Spatulate-leaved Sundew Drosera intermedia

  6. Bladderwort

  7. Horned BladderwortUtricularia cornuta

  8. ButterwortPinguicula vulgaris

  9. Waterwheel PlantAldrovanda vesiculosa

  10. Old World Pitcher Plants Nepenthes rajah

  11. Nepanthes sp. N. bicalcarata N. gracilis May use hood as a raindrop triggered trapdoor.

  12. Nepenthes ampullaria Catches leaf litter & debris as well as insects

  13. Nepenthes lowii Lid secretes copious sugary crystals that attract tree shrews who then defecate into the pitcher

  14. New World Pitcher Plants

  15. Sarracenia

  16. Sarracena purpurea

  17. Venus Flytrap

  18. Dioneae muscipula