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THE WONDERFUL NEPENTHES
PART TWO
By: Christy Suzuki, RN
The Pitfall Zone
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.
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.
The Pitfall Zone
When the prey falls into the
pitcher, it will try and climb out
BUT!
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.
The Digestive Zone
The DIGESTIVE ZONE is where all
of the digestive FLUID resides.
The Digestive ZoneThe WETTING AGENT
The digestive fluid contains
substances that completely wets
its prey…
The Digestive Zone
The WETTING AGENT
… The prey loses its ability to breathe in air
and drowns.
The Digestive Zone
Once the prey Drowns …
The Digestive Zone
… Let the Digestion begin.
FUN FACT # 1
Where the PITFALL ZONE
ends and the DIGESTIVE
ZONE begins is also known as the
HIP.
FUN FACT # 2What enzymes do the pitcher plant’s digestive glands
secrete?!?
Esterase Phosphatase
Protease Amino-peptidase
Peroxidase Ribonuclease
FUN FACT # 3
The FLUID inside an unopened pitcher plant has an ACIDIC pH of about 5.5.
PART THREECOMING IN FEBURARY