FUNCTIONS AND MODIFIED LEAVES Flashcards
PRINCIPAL OR MAIN FUNCTIONS OF THE LEAVES
PHOTOSYNTHESIS AND TRANSPIRATION
NO BLADE AND NEEDLE SHAPE NO MESOPHYLL NO VASCULAR TISSUE HAS CLOSELY PACKED FIBERS IN MESOPHYLL
SPINES
DISPLAY THIGMONASTY SENSITIVITY TO TOUCH FOR PROTECTION
MOTILE LEAVES
TROPIC RESPONSE TO TOUCH
THIGMOTROPIC RESPONSE
THICK AND FLESHY REDUCED SURFACE VOLUME RATIO WITH WATER STORAGE PARENCHYMA
SUCCULENT LEAVES
SENSING CONTACT WITH OTHER OBJECTS NO LAMINA SUPPORT SIDE FACING THE OBJECT STOP GROWING OTHER SIDE ELONGATE
TENDRILS
MODIFIED LEAVES FOR SUPPORT
SUPPORTING LEAF BASES (PSEUDOTRUNK)
DIGEST INSECTS AND OBTAIN NITROGEN FOR THEIR AMINO ACID
INSECT TRAPS
PRODUCE PLANTLETS
ADVENTITIOUS BUDS
FOR THE ATTRACTION OF POLLINATORS
COLORED LEAVES
AERATION AERENCHYMATOUS LEAF BASE FOR BOUYANCY, SUPPORT
FLOATS
PHOTOSYNTHESIS
ADDED PHOTOSYNTHESIS
EXPANDED LEAF-LIKE PETIOLE OR STIPULE
ECONOMIC IMPORTANCE OF LEAVES
A. FOOD SOURCE LIKE CABBAGE LETTUCE SPINACH CELERY
B. FIBER SOURCE LIKE HEMP RAMI ABAKA
C. TEA LEAVES ARE USED TO MAKE BEVERAGES
D. TOBACCO LEAVES ARE USED IN CIGARETTE INDUSTRY
E. SOME DRUGS OBTAINED FROM LEAVES
F. USE AS FLAVORING LIKE WINTER GREEN PEPPERMINT AND SPEARMINT