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venus flytrap — Description
dionaea muscipula
catching mostly insects and arachnids ... and me ^^
its trapping structure is formed by the terminal portion of each of the plant's leaves and is triggered by tiny hairs on their inner surfaces. when an insect or spider crawling along the leaves comes into contact with one or more of the hairs twice in succession, the trap closes. the requirement of redundant triggering in this mechanism serves as a safeguard against the spurious expending of energy toward trapping other, non-living things which may not reward the plant with similar nutrition.

the plant's common name refers to venus, the roman goddess of love, whereas the genus name refers to dione. dionaea is a monotypic genus closely related to the waterwheel plant and sundews.