1. North American perennial with apparently whorled leaves and showy white purple-tinged flowers
   - whorled aster

Type of: aster

• Canada moonseed
• antiemetic
• antiemetic drug
• antiepileptic
• antiepileptic drug
• antiestablishmentarianism
• antiestablishmentism
• antifederalist
• antifeminism
• antifeminist
• antiferromagnetic
• antiferromagnetism
• antifertility
• antiflatulent
• antifouling paint
• antifreeze
• antifungal
• antifungal agent
• antigen
• antigenic
• antigenic determinant
• Antigone
• Antigonia
• Antigonids
• Antigonus