Lady Bird's Centaury (Centaurium texense), in Boyce Park, Charlotte, North Carolina.
Distribution: USA (AR, KS, MO, OK, TX).
Lady Bird's Centaury is a low-branching plant three to seven inches tall. The flowers can reach a diameter of 1/2 inch, while the leaves grow to 3/4 an inch long.
Lady Bird's Centaury is found in dry, open, grassy areas. It flowers approximately from May to July.
More info: [link]
Lady Bird's Centaury (Centaurium texense)
Featured by the talented Katja
in her journal "International Women's Day": [link]