Answer: sandbur

AnswerCrossword Clue
sandburany of various grasses of the genus Cenchrus, having spikelets enclosed in prickly burs
sandburan annual herb, also SANDBURR, SANDSPUR
sandburany of several bur-bearing weeds growing in sandy places, as Franseria acanthicarpa or Solanum rostratum, of the western U.S