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V. Leaf Development
A. Leaf Primordia develop
into Leaves through
1. Cell Division
+ Cell Expansion
2. Cell Expansion
3. Plant Cells
don't migrate or slide pase one another so
Pattern of Cellular Processes
determines shape of mature leaf
B. Leaflet Primordia
form on Leaf Primordium in Compound Leaves
C. Primordia can
also form flower parts
1. Sepals
2. Petals
3. Stamens
4. Pistils
D. Tissue Differentiation
1. Protoderm ->
Epidermis
2. Ground Meristem
-> Palisade and/or Spongy Mesophyll
3. Procambium ->
Primary Xylem + Primary Phloem
E. Leaves and Flower
parts generally do not exhibit secondary growth
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