1. Violet-flowered perennial aster of central United States having solitary heads
   - prairie aster

Type of: aster

• physical science
• physical structure
• physical therapist
• physical therapy
• physical topology
• physical value
• physicalism
• physicality
• physically
• physicalness
• physician
• physician-assisted suicide
• physician-patient privilege
• physicist
• physicochemical
• physics
• physics department
• physics lab
• physics laboratory
• Physidae
• physio
• physiocrat
• physiognomy
• physiography
• physiologic