lecture7 - The leaf blades are not divided into separate...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
1 Leaf Anatomy and Diversity Review Leaf Form, Complexity, Arrangement, and Diversity Leaf Anatomy Modified Leaves Reading: – Botany for Gardeners, pages 47-52 and 74-79 Leaves • Function –Photosynthesis –Regulate water loss - transpiration –Many specialized functions • Storage • Protection • Attraction • Nutrition • Propagation • Climbing Morphology of a Leaf • Blade – expanded portion of the leaf • Petiole – leaf stalk –Sessile -leaves without a petiole • Stipule – appendage at the base of the petiole Stipules Euphorbia Stipules Acacia Stipules
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
2 Ficus Stipules Leaf Form Simple Leaves
Background image of page 2
Background image of page 3
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: The leaf blades are not divided into separate parts (may be deeply lobed) Leaves are divided into leaflets Compound Leaves 1. Pinnately compound – leaflets arise from either side of the rachis 2. Palmately compound – leaflets diverge from the petiole tip (no rachis) Rachis – an extension of the petiole Compound Leaves Phyllotaxy or Leaf Attachment Phyllotaxy - the way leaves are arranged along the stem 3 Leaf Anatomy • Leaf Ground Tissue (mesophyll ) - photosynthesis Leaf Venation Vein: vascular bundles in the leaves Leaf Shapes Leaf Shapes Leaf Margins Lab Manual Page 28-30 Modified and Specialized Leaves...
View Full Document

This note was uploaded on 02/07/2011 for the course BIO 114 taught by Professor Ritter during the Spring '09 term at Cal Poly.

Page1 / 3

lecture7 - The leaf blades are not divided into separate...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online