1. Orchid of northeastern and alpine eastern North America closely related to the purple fringed orchids but having rosy-purple or violet flowers with denticulate leaf divisions
   - purple fringeless orchid, purple fringeless orchis

Type of: fringed orchid, fringed orchis

• opah
• opal
• opal glass
• opalesce
• opalescence
• opalescent
• opaline
• opalise
• opalize
• opaque
• opaque gem
• opaquely
• opaqueness
• OPCW
• ope
• OPEC
• Opel
• open
• open access
• open account
• open chain
• open circuit
• open cluster
• open day
• open door