Alternative Nutrition
Carnivorous plants: obtain nitrogen from animal tissue; grow on acidic soil poor in nitrogen
Modified leaves to lure and trap animals
Digestive enzymes are excreted from leave surfaces
Mycorrhizae: symbiosis with fungi expands surface area of root system
Parasitic plants: may or may not possess chlorophyll; tap into vascular system of hosts by special structures (dodder) or into mycorrhizal fungi Asian pitcher plant Venus flytrap Dodder (devil’s hair)