1. Common perennial of eastern North America having flowers with usually violet-purple rays
   - robin's plantain

Type of: fleabane

• serology
• serosa
• serotine
• serotinous
• serotonin
• serotype
• serous
• serous membrane
• serovar
• serow
• Serpasil
• Serpens
• dirty tricks
• dirty war
• dirty word
• dirty-faced
• dirty-minded
• dirtying
• dis
• disa
• disability
• disability benefit
• disability check
• disability insurance
• disability of walking