Showy Tick Trefoil
(Desmodium canadense)

This warm-season, native perennial grows 3-5 feet tall and produces clusters of purple flowers. It's native range is Nova Scotia, south to North Carolina and Oklahoma. It is a legume that fixes nitrogen and is excellent for wildlife plantings, food cover plots, prairie restoration mixes and pollinator plantings. Seeds will stick tight to clothing and fur and can be difficult to remove.