Desmodium tortuosum, the twisted tick trefoil, dixie tick trefoil, tall tick clover, Florida beggarweed, and giant beggar weed, is a species of flowering plant in the family Fabaceae.

It is native to Latin America, and widely introduced as a forage to much of the rest of the world's subtropics and tropics. It's been observed growing in habitats such as beaches, along lake shores, and in floodplains. It can be found growing in sandy soil and full sun.

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