Medium plant, about 2-3 feet tall. Stem bristly hairy. Basal leaves large, stalked, tongue-shaped (Cynoglossum means dog tongue) and hairy. Stem leaves narrower, hairy, and clasping the stem. Flowers small, with 5 pale blue or pale lilac, crinkled petals. Fruit a hairy bur, turning brown. Blooms in late spring.

Native. Uncommon in the Park, found on the eastern slope.

True blue is an unusual flower color that can serve to identify this plant. The crinkly flower shape and bristly hairy stem and leaves are further clues.