Salix Discolor is a botanical term for the pussy willow tree species that is found in wetland areas and swampy habitats. Although Salix Discolor is the scientific name for this tall, slender tree known for its soft, furry buds and yellow catkins, this plant has several synonyms. Some common synonyms for Salix Discolor include willow, swamp willow, gray willow, and red willow. These alternative names are often used interchangeably and have similar meanings to Salix Discolor. As a result, both botanists and casual observers of nature can identify this beautiful tree by using any of its synonyms.