Plant Organs: Leaves

Card Set Information

Author:
DesLee26
ID:
204445
Filename:
Plant Organs: Leaves
Updated:
2013-03-02 12:51:04
Tags:
BIL 220
Folders:

Description:
BIOLOGY
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  1. Dicot Leaves Epidermis
    • Epidermis
    • Cuticle
    • Guard cells and stomata
  2. Dicot Leaves Mesophyll
    • Mesophyll - contains vascular bundles (veins) which  branch
    • Palisade Parenchyma (Chlorenchyma)
    • Cells elongated perpendicular to surface of blade
    • One or more rows
    • Spongy Parenchyma (Chlorenchyma)
    • Irregular arrangement of cells, much air spaces
  3. Monocot Leaves I Epidermis
    • Cuticle
    • Guard cells and stomata
  4. Monocot Leaves Mesophyll
    • Mesophyll
    • Homogenous parenchyma (Chlorenchyma)
    • Vascular bundles arranged in parallel rows
    • Bundles sometimes look like faces ?
  5. Function
    • Main photosynthetic organs of
    •      most plants
  6. Leaves consist of:
    • petiole (stalk -- joining blade to stem)
    •       blade  (flattened photosynthetic section)
    •   Simple  (single, undivided)
    •   Compound (blade is divided into leaflets)

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