Leaves Flashcards
1
Q
Chlorenchyma, flat thin leaf
A
Photosynthesis
2
Q
Transpiration
A
-Continues uptake of water
-Cooling effect
-Continues degree of saturation of cell with water
3
Q
Use of leaves
A
-Insecticides ( Rotenone, citronella)
-Waxes ( Carnauba [gummies] )
-Aromatic oils
-Medical uses ( Aloe )
4
Q
Economic use
A
- Food ( Green leaf are the most nutritious )
- Herb ( Mint family is a popular herb )
- Beverages ( tea )
- Drugs ( Tobacco, Marijuana, Cocaine )
5
Q
With petiole
A
Petiole
6
Q
Without petiole
A
sessile
6
Q
Blade divided
A
Compound
7
Q
flat, light harvesting portion
A
Lamina/ leaf blade
7
Q
sheath and ligules
A
Monocot leaf
8
Q
stipules
A
Dicot leaf
8
Q
holds blade out into the light
A
Petiole/ stalk
9
Q
Sugar produced and carry them to the stem
A
Veins
10
Q
Edge of the leaf
A
Margin
11
Q
Outer end of leaf lamina
A
Apex
12
Q
Leaf classification
A
-Nature of the leaf
-Phyllotaxy
-Leaf margin
-Leaf apex