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THE WONDERFUL NEPENTHES
PART TWO
By: Christy Suzuki, RN
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The Pitfall Zone
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The Pitfall Zone
The Pitfall Zone starts “beneath the nectar glands at the
end of the peristome” (Barthlott, Porembski, Seine, &
Theisen, p. 157).
The Pitfall zone ends at the waterline of the digestive fluid.
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The Pitfall Zone
There are TWO WAXY LAYERS
The INNER LAYER is waxy with a Net like
structure
The OUTER LAYER consists of
detachable wax plates.
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The Pitfall Zone
When the prey falls into the
pitcher, it will try and climb out
BUT!
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The Pitfall Zone
The DETACHABLE WAX PLATES
on the outer layer EASILY FALL OFF when touched,
making it impossible for bugs to get a good grip
to climb out.
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The Digestive Zone
The DIGESTIVE ZONE is where all
of the digestive FLUID resides.
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The Digestive ZoneThe WETTING AGENT
The digestive fluid contains
substances that completely wets
its prey…
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The Digestive Zone
The WETTING AGENT
… The prey loses its ability to breathe in air
and drowns.
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The Digestive Zone
Once the prey Drowns …
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The Digestive Zone
… Let the Digestion begin.
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FUN FACT # 1
Where the PITFALL ZONE
ends and the DIGESTIVE
ZONE begins is also known as the
HIP.
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FUN FACT # 2What enzymes do the pitcher plant’s digestive glands
secrete?!?
Esterase Phosphatase
Protease Amino-peptidase
Peroxidase Ribonuclease
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FUN FACT # 3
The FLUID inside an unopened pitcher plant has an ACIDIC pH of about 5.5.
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PART THREECOMING IN FEBURARY