Page 163 - Ultimate Visual Dictionary (DK)

CARNIVOROUS PLANTS
PITCHER PLANT
Monkey cup
Lamina (Nepenthes mirabalis) Inner surface
(blade) of pitcher

Digestive
gland Outer surface
of pitcher

Lamina
(blade)
Tendril Nectar-
Immature MICROGRAPH OF WALL OF PITCHER secreting
pitcher gland
Lid (attracts insects; Midrib
stops rainwater from
Lid flooding pitcher)
Rim of pitcher
Rim of Mouth (containing
pitcher Spur nectar
of pitcher
glands)
Lid
Pitcher opens Tendril
Waxy zone
Lid remains (no foothold
firmly closed as for insects)
pitcher develops Mouth of
pitcher
Tendril Digestive
Recently elongates zone
formed leaf (normally
containing
Frontal digestive Partly
rib fluid) digested
insects
Tendril at tip of
recently formed leaf Digestive
gland

DEVELOPMENT OF MODIFIED LEAF Swelling forms Immature pitcher Mature SECTION THROUGH
IN PITCHER PLANT at tip of tendril fills with air pitcher PITCHER
BUTTERWORT Insect
(Pinguicula caudata)
Stalked secretory trapped
gland (produces on sticky
sticky, mucuslike surface
substance) Flattened of lamina
Digestive gland lamina (blade)
(produces enzymes) (blade)
Adaxial
(upper) surface
of leaf

Margin of
lamina (blade)
rolled inwards
Abaxial
(lower) surface MICROGRAPH OF Immature
of leaf BUTTERWORT LEAF leaf
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