The Venus Flytrap is a small herb, forming a rosette of four to seven leaves, which arise from a short subterranean stem that is actually a bulb-like rhizome. Each leaf reaches a maximum size of about three to ten centimeters, depending on the time of year;longer leaves with robust traps are usually formed after flowering. Flytraps that have more than 7 leaves are colonies formed by rosettes that have divided beneath the ground.
The Venus Flytrap is one of a very small group of plants that are capable of rapid movement.
The mechanism by which the trap snaps shut involves a complex interaction between elasticity, turgor and growth. In the open, untripped state, the lobes are convex, but in the closed state, the lobes are concave. It is the rapid flipping of this bistable state that closes the trap.
The Venus Flytrap is found in nitrogen-poor environments, such as bogs and wet savannahs, and survives in wet sandy and peaty soils. Although it has been successfully transplanted and grown in many locales around the world, it is found natively only in North and South Carolina in the United States
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