Any of various plants of the genus Desmodium of the pea family, having compound leaves, small purplish or white flowers, and pods that break into one-seeded segments usually covered with hooked hairs.
Any of a genus (Desmodium) of leguminous plants with clusters of small purple flowers, leaves in groups of three, and jointed prickly pods.
Origin of tick-trefoil
- From tick (from the way its pods adhere to animals)
From American Heritage Dictionary of the English Language, 5th Edition