Answer: sandburs

AnswerCrossword Clue
sandbursany of a genus (Cenchrus) of grasses producing spikelets enclosed in ovoid spiny involucres that form burs
sandbursSANDBUR, an annual herb, also SANDBURR, SANDSPUR
sandbursany of various grasses of the genus Cenchrus, having spikelets enclosed in prickly burs
sandbursany of several bur-bearing weeds growing in sandy places, as Franseria acanthicarpa or Solanum rostratum, of the western U.S