Evolution and Leaf Shape
What are some of the most specific reasons known,
regarding the formation or evolution of leaf shape and structure, for
the 'star' shaped leaves such as Sweet Gum, Sugar Maple and Silver
Maple? Also; are there any Oak species with that shape or a similar
one for the same or similar reasons? And; are these (reasons) noted
where oaks and maples grow in the same environment?
Probably a number of factors, e.g., physiological adaptations for light reception and photosynthesis.
Anthony Brach, Ph.D
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Update: June 2012