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These plants grow in nutrient-poor, often acidic soil and use the insects as a nutritional supplement. As such, growth of carnivorous pitchers is plastic: as soil nitrogen increases, Sarracenia produces fewer pitchers. [9] The pitchers originate from a rhizome and die back during the winter dormancy.
The most severe disease threat to Banksia is the introduced plant pathogen Phytophthora cinnamomi, commonly known as "dieback". This is a water mould that attacks the roots of plants, destroying the structure of the root tissues, "rotting" the root, and preventing the plant from absorbing water and nutrients.
Carnivory in plants is a very specialized form of foliar feeding, and is an adaptation found in several plants that grow in nutrient-poor soil. Carnivorous traps were naturally selected to allow these organisms to compensate for the nutrient deficiencies of their harsh environments and compensate for the reduced photosynthetic benefit. [ 58 ]
Mimosa pudica grows most effectively in nutrient-poor soil that allows for substantial water drainage. However, this plant is also shown to grow in scalped and eroded subsoils. Typically, disrupted soil is necessary in order for M. pudica to become established in an area. Additionally, the plant is shade intolerant and frost-sensitive, meaning ...
The lack of nutrients in the soil prevent larger plants and trees to grow, which gives the species in Acredidae a sufficient amount of light to complete their life cycle. This is consistent with the fact that dry grassland is known for specialist invertebrate species, that are not common anywhere else, such as solitary wasps and field cricket ...
Pinguicula valisneriifolia grows in soils with high levels of calcium but requires strong illumination and lower competition than many butterworts. [58] In general, carnivorous plants are poor competitors, because they invest too heavily in structures that have no selective advantage in nutrient-rich habitats. They succeed only where other ...