most broad-leafed

Science Dictionary
broad-leaved (brôd'lēvd') also broad-leafed  [%PREMIUM_LINK%]     (brôd'lēvd')  Pronunciation Key 
Having broad leaves rather than needlelike or scalelike leaves. Broad leaves are adapted to maximizing photosynthesis by capturing large amounts of sunlight. Since the gases that are exchanged with the atmosphere in photosynthesis must be dissolved in water, most broad-leaved plants grow in regions with dependable rainfall. See more at leaf, transpiration.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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