Trees need leaves primarily because of photosynthesis and respiration. Photosynthesis is the process by which carbon dioxide is converted into nutrients that are needed by plants for survival. More »

Coniferous trees that are evergreen keep their leaves to preserve water during the winter and through droughts. Many coniferous trees are found where the winters are cold and the ground freezes. Once the ground is frozen... More »

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To identify the leaves of Indiana trees, consult a tree database from a local nature preserve, government park service or university extension program. Look for identifying characteristics, such as the leaf's shape, size... More »

Trees grow as a result of the formation and division of cells in meristems and by conducting photosynthesis and absorbing nutrients and water through their root systems. Cells in the cambium layer divide and grow to form... More »

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Willow trees can be differentiated by their leaves, their form, their bark and their catkins. Willows are mostly deciduous trees, which means they lose their leaves in the fall. Male and female flowers are found on diffe... More »

According to Reference.com, palmettos are dwarf palm trees that have fan-like leaves and are common in the Southeastern United States. Most palm trees that are considered palmettos fall into the genus Sabal, and the name... More »

Coniferous trees that are evergreen keep their leaves to preserve water during the winter and through droughts. Many coniferous trees are found where the winters are cold and the ground freezes. Once the ground is frozen... More »

www.reference.com Home & Garden Gardening & Landscapes Trees & Bushes