Sun and Shade leaves:

Leaf structure

Leaf Structure

Leaf Structure

Leaf Shape

Figures 1-4 and 9-11 is from:
Hanson, H. C.. 1917. Leaf-Structure as Related to Environment. American Journal of Botany, Vol. 4, No. 9 (Nov., 1917), pp. 533-560.

Figures 3. is from:
Tucker and Emmingham. 1977. Morphological Changes in Leaves of Residual Western Hemlock after Clear and Shelterwood Cutting . Forest Science Volume 23, Number 2, 1 June 1977 , pp. 195-203(9).

Figures 2. is from:
Talbert Charlotte M. and Arthur E. Holch. 1957. A Study of the Lobing of Sun and Shade Leaves. Ecology, Vol. 38, No. 4 (Oct., 1957), pp. 655-658.

Created: January 21, 2003
by David R. Larsen, Copyright 2003 - 2011
Last Updated: January 28, 2011