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Aldrovanda vesiculosa

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Aldrovanda vesiculosa

Post by sujin007 on Fri Nov 23, 2012 8:11 pm

Aldrovanda vesiculosa, also known as the waterwheel plant, is a fascinating rootless, carnivorous, aquatic plant. It generally feeds on small aquatic vertebrates...

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Re: Aldrovanda vesiculosa

Post by sujin007 on Fri Nov 23, 2012 8:13 pm

Aldrovanda vesiculosa uses a trap mechanism called a snap trap. The traps are attached to petioles, which contain air, and assists in floatation.

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Re: Aldrovanda vesiculosa

Post by sujin007 on Fri Nov 23, 2012 8:15 pm

This plant consists mainly of free floating stems, reaching 6 – 11cm in length. The 2-3mm trap leaves grow in whorls of 5-9, in close succession along the plant’s central stem.

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Re: Aldrovanda vesiculosa

Post by sujin007 on Fri Nov 23, 2012 8:17 pm

This is a very fast growing plant and can reach 4-9mm per day, in some instances even producing a new whorl every day. As the plant grows from one end, the other end will continuously die off.

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Re: Aldrovanda vesiculosa

Post by sujin007 on Fri Nov 23, 2012 8:18 pm

The trap closes in only 10 milliseconds, making it one of the fastest examples of plant movement in the animal kingdom. It basically consists of two lobes which fold together to make the snap traps.


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Re: Aldrovanda vesiculosa

Post by sujin007 on Fri Nov 23, 2012 8:20 pm

The openings of the trap point outwards, and are covered in a fine coating of trigger hairs, which will cause the trap to snap shut around any prey that comes too close.




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