The term 'sallows' is a relatively uncommon word that refers to a type of willow tree with grayish-green leaves and yellow or greenish-yellow flowers. Some synonyms for this word include 'yellow willow,' 'pale willow,' and 'gray willow.' These names reflect the distinct features of the tree, such as the color of its leaves and flowers. Other similar terms that can be used interchangeably with 'sallows' are 'pale-leaved willow,' 'smooth-leaved willow,' and 'weasel willow.' Regardless of the name used, sallows are known for their medicinal properties and are often used in traditional remedies for headaches, fevers, and other ailments.