Poinsettia ‘Christmas Mouse’ has small red bracts that look like mouse ears. Photo by Connie Oswald Stofko by Connie Oswald Stofko We gardeners tend to look for color when we choose plants, but shape can add interest, too. Let’s take a look at three varieties of poinsettias at Mischler’s Florist and Greenhouses, located at 118 South Forest Rd., Williamsville. All three are red, but each has “petals” with different shapes. Tip: What we think of as flower petals on poinsettias…