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Structures
Structures Continued
Vein Arrangement
Leaf Arrangement
Miscellaneous
100
Edge of a leaf
What is Margin?
100
Cells that control the opening and closing of the stomata
What are Guard Cells?
100
None of the veins on the leaf cross. Corn and grass plants are good examples is this kind of venation
What are Parallel Veins?
100
Leaf that has only one blade on its petiole
What is Simple Leaf?
100
leaves and buds are arranged directly across from each other on a stem
What is Opposite?
200
Single dominant vein in the middle of the blade
What is Midrib?
200
Layer of cells that make up the top and bottom surface of the leaf
What is Epidermis?
200
Veins in a branching pattern
What are Netted Veins?
200
Leaf with multiple blades
What are Compound Leaves?
200
Leaves and buds that are spaced along a stem in an alternating fashion
What is Alternate?
300
Leaf stem
What is Petiole?
300
Type of mesophyll loosely packed with many air spaces
What is Spongy Mesophyll?
300
Leaves that have several dominant veins branching out from the petiole
What is Palmately Netted?
300
a condition where leaves and buds are not spaced far enough apart to be called alternate nor perfectly opposite
What is Subopposite?
300
three or more leaves and buds are attached at a node
What is Whorled?
400
the waxy upper layer of the leaf
What is Cuticle?
400
part of the leaf that allows gas exchange
What is Stomata?
400
Leaves with netted veins that have several smaller veins branching out of a dominant midrib
What is Pinnately Netted?
400
all its leaflets attached to a common point
What is are Palmately Compound Leaves?
400
Another name for multiple leaves
What are Leaflets?
500
Layer of cells standing on end and packed very tightly that are responsible for most of the photosynthesis
What is Palisade Mesophyll?
500
Large broad flat surface of a leaf
What is Leaf Blade?
500
plants have a spreading vein pattern; a gingko leaf is an example.
What is Dichotomous Venation?
500
multiple leaflets attached along a rachis or axis
What is are Pinnately Compound Leaves?
500
What is the main function of leaves?
What is Photosynthesis?