Noun: bastard feverfew 'bãs-tu(r)d 'fee-vu(r),fyoo
- Tropical American annual weed with small radiate heads of white flowers; adventive in southern United States
"Bastard feverfew appeared unexpectedly in the garden";
- Parthenium hysterophorus
Derived forms: bastard feverfews
Type of: weed
Part of: genus Parthenium, Parthenium