“Other weeds, including sand bur and thistle, can also scratch and irritate your skin.”

“The large bur oak trees were the most striking feature of the oak savannah community.”

“Almost round, they have a bur or mosslike fringed cap that covers at least half the nut.”

“Ferns brushed her ankles and burs snagged her skirt as she stumbled along compulsively.”

“These plants are at their maximum stage of maturity and contain little leaf material in proportion to burs and stems.”

“The metal burs might be sharp enough to slice a good line across her throat.”