beggarweed

noun

1. any of various tick trefoils, especially Desmodium tortuosum, grown for forage in subtropical regions.
2. Chiefly British. any weed that impoverishes soil.

noun

1. any of various leguminous plants of the genus Desmodium, esp D. purpureum of the Caribbean, grown in the southern US as forage plants and to improve the soilSee also tick trefoil