Willows, also called
sallows, and
osiers, form the genus
Salix, around 400 species of deciduous trees and shrubs, found primarily on moist soils in cold and temperate regions of the Northern Hemisphere. Most species are known as willow, but some narrow-leaved shrub species are called
osier, and some broader-leaved species are referred to as
sallow (from Old English
sealh, related to the Latin word
salix, willow). Some willows (particu
(Wikipedia)