Branch of America Willow Small 320×173 Medium 640×347 Large 1024×555 Download TIFF Original 2400×1300 | (587.8 KB) Description Also known as Salix discolor. The branch of an American Willow, native throughout North America. Keywords american willow, branch, Discolor, leaf, leaves, north america, plant, pussy willow, Salix, tree, willow Galleries Trees: A Source: Sargent, Charles Sprague Manual of the Trees of North America (Boston, MA: Houghton Mifflin Company, 1905)