Salvia lyrata (Lyre-leaved Sage)

Lyre-leaved Sage is common in North Carolina, one of only a few native wildflowers that thrives in lawns. The flowers are pale lavender in color.
Chapel Hill, NC 4/10/10

Durham Co., NC 4/24/03

The leaves are lyre-shaped (if you use your imagination) and often have reddish color near the veins. An alternate spelling of the name is "Lyreleaf Sage".
Chapel Hill, NC 4/10/10