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

Type of: evening primrose

• cos
• cos lettuce
• Cosa Nostra
• coscoroba
• cosec
• cosecant
• coseismal
• coseismic
• coset
• cosh
• cosher
• cosign
• cosignatory
• cosigner
• cosily
• Cosimo de Medici
• Cosimo the Elder
• cosine
• cosiness
• cosmea
• cosmetic
• cosmetic dentistry
• cosmetic surgeon
• cosmetic surgery
• cosmetically