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| Venus Flytrap |
The Venus Flytrap is a small plant whose structure can
be described as a rosette of four to seven leaves, which arise from a short
subterranean stem that is actually a bulb-like object. Each stem 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 found
in nitrogen- and phosphorus-poor environments, such as bogs and wet savannahs. Small in stature and slow growing, the
Venus flytrap tolerates fire well, and depends on periodic burning to suppress
its competition. Fire suppression
threatens its future in the wild. It
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, specifically within a 60-mile radius
of Wilmington, North Carolina. One such
place is North Carolina's Green Swamp. There also appears to be a
naturalized population of Venus Flytraps in northern Florida as well as
populations in the New Jersey Pine Barrens. The nutritional poverty of the soil
is the reason that the plant relies on such elaborate traps: insect prey
provide the nitrogen for protein formation that the soil cannot. The Venus Flytrap is not a
tropical plant and can tolerate mild winters. In fact, Venus Flytraps that do
not go through a period of winter dormancy will weaken and die after a period
of time.
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Ditulis oleh:
Unknown - Jumat, 31 Mei 2013
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