-
nounbushy annual weed of central North America having greenish flowers and winged seeds
Similar:
-
nounprickly bushy Eurasian plant; a troublesome weed in central and western United States
-
nounbushy plant of western United States
Similar:
type of: -
nounany plant that breaks away from its roots in autumn and is driven by the wind as a light rolling masstype of: