An unidentified burr adhering to a knitted jumper. A burr is a type of seed head which is surrounded by prickly hooked bracts modified leaves. These stick to the fur of passing animals and are carried away to colonise new territories. Editorial Stock Photo - Afloimages
An unidentified burr adhering to a knitted jumper. A burr is a type of seed head which is surrounded by prickly hooked bracts (modified leaves). These stick to the fur of passing animals and are carried away to colonise new territories.