Utricularia
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Utricularia, commonly and collectively called the bladderworts, is a genus of carnivorous plants consisting of approximately 233 species. They occur in freshwater and wet soil as terrestrial or aquati
Utricularia vulgaris Sturm 63
The tip of one stolon from a U.K. instance of U. vulgaris, showing stolon, branching leaf-shoots and transparent bladder traps
Utricularia amethystina flower
Utricularia aurea growing in a rice paddy in Thailand.
Venus flytrap
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The Venus flytrap is a carnivorous plant native to the temperate and subtropical wetlands of North Carolina and South Carolina, on the East Coast of the United States. Although various modern hybrids
Utricularia
…no reaction from the plant (irritability) is required in the presence of prey, in contrast with the triggered mechanisms employed by Venus flytraps (Dionaea), waterwheels (Aldrovanda), and many sundews (Drosera). The only active mechanism involved is the constant pumping out of water through the bladder…
Venus Flytrap showing trigger hairs
Illustration from Curtis's Botanical Magazine by William Curtis (1746–1799)
Venus flytrap flower bud
Flowering Venus flytrap showing its long flower stem