It blooms from May to July.[2]: 170 Clustering at the ends of the stems, reddish or carmine flowers have a 3⁄8 to 3⁄4 inch (0.95 to 1.91 cm) long corolla tube flaring to 5 lobes.[2]: 170
^ abcdefghiCanyon Country Wildflowers, Damian Fagan, 2nd ed., 2012, Morris Bush Publishing, LLC. in cooperation with Canyonlands Natural History Association, ISBN978-0-7627-7013-7