1. Evening-opening primrose of south central United States
   - Missouri primrose, Ozark sundrops

Type of: evening primrose

• off-centre
• off-centred
• off-color
• off-colour
• off-day
• off-guard
• Robert's Rules of Order
• Roberto Francesco Romolo Bellarmine
• Roberts
• Robertson
• Robeson
• Robespierre
• robin
• Robin Goodfellow
• Robin Hood
• robin redbreast
• robin's plantain
• Robinia
• Robinia hispida
• Robinia pseudoacacia
• Robinia viscosa
• Robinson
• Robinson Crusoe
• Robinson Jeffers
• Robitussin