sandbur

Any of several grasses of the genus Cenchrus, having an inflorescence composed of spikelets enclosed in a spiny burlike involucre and often growing in sandy soil.

The spiny, easily detached involucre of any of these plants.

Any of several grasses, of the genus Cenchrus, found in the south-eastern United States, that has a spiny burr

grass of the eastern United States and tropical America having spikelets enclosed in prickly burs