Plant Organs: Leaves

Dicot Leaves Epidermis
- •Epidermis
- –Cuticle
- –Guard cells and stomata
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
Monocot Leaves I Epidermis
- –Cuticle
- –Guard cells and stomata
Monocot Leaves Mesophyll
- •Mesophyll
- –Homogenous parenchyma (Chlorenchyma)
- –Vascular bundles arranged in parallel rows
- –Bundles sometimes look like faces ?
Function
- Main photosynthetic organs of
- most plants
Leaves consist of:
- • petiole (stalk -- joining blade to stem)
- • blade (flattened photosynthetic section)
- – Simple (single, undivided)
- – Compound (blade is divided into leaflets)

Author

DesLee26

204445

Card Set

Plant Organs: Leaves

Description

BIOLOGY

Updated

2013-03-02T17:51:04Z

Show Answers