Xanthium strumarium var. canadense, also known as Canada cocklebur, is an annual herb in the Asteraceae family:    Appearance Can grow up to 6 feet tall, with yellow flowers that bloom from July to October    Fruit A cypsela, also

Stock photo: Xanthium strumarium var. canadense, also known as Canada cocklebur, is an annual herb in the Asteraceae family:    Appearance Can grow up to 6 feet tall, with yellow flowers that bloom from July to October    Fruit A cypsela, also was taken by mahesh135 .