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 different trees, and their leaves are usually long and narrow.Continue Reading
One type of willow tree is the white willow, which is native to Europe, northern Asia and northern Africa. It gets its name because the light green leaves have silky white hairs above and white down beneath. The effect is to give the tree a silvery white appearance.
The weeping willow is known for its weeping habit. Native to China, it's now planted in gardens and parks throughout Europe and North America. Its long leaves are hairless, dark green on top and pale beneath.
The grey sallow is a small tree or shrub that's native to Europe. It has slender catkins that open in early spring and brown down on its young shoots. It grows in marshlands and is considered invasive.
The contorted willow can be differentiated from other willows by its strangely twisted twigs and leaves, while the bay willow has leaves that are toothed, dark, glossy green and broader than the leaves of other willows.Learn more about Trees & Bushes
Home Guides states that a weeping willow tree requires regular trimming to maintain the shape and health of the tree. To trim a weeping willow, remove all dead or diseased branches by cutting at the wider part of the branch, or branch collar.Full Answer >
Salix bebbiana is native to North America, distributed from Newfoundland to Alaska and the Yukon Territory and spreading southward as far as New Mexico, Arizona and central California. S. bebbiana is the most common willow variety that experiences the fungal infections that result in growth formations known as diamond willow.Full Answer >
Oak tree types can be identified by their leaves, their acorns and bark, their habits, and the places where they grow. The sessile oak has leaves that are dark green on the top but pale and hairy beneath and that usually have five lobes.Full Answer >
To identify a white oak tree, inspect its leaves, bark and bud patterns. This procedure takes about five minutes. You need a measuring tape and knowledge of this species' distinguishing characteristics.Full Answer >