White poplar is a species of tree in the willow family, native to Europe and western Asia. It is also known as ABELE (5 letters), ASPEN (5 letters) or simply tree (4 letters). It is a large deciduous tree with a broad crown and white bark, hence its name. The leaves are heart-shaped and the flowers are yellow-green. White poplar is often used for timber and pulpwood, and it is also planted as an ornamental tree.