1. Perennial with sharply toothed triangular leaves on leafy stems bearing a cluster of yellow flower heads; moist places in mountains of western North America
   - Senecio triangularis

Type of: wild flower, wildflower

• protonotary
• protoplasm
• protoplasmic
• protoplasmic astrocyte
• protoplast
• protostar
• Prototheria
• prototherian
• prototypal
• prototype
• prototypic
• prototypical
• Protozoa
• protozoal
• protozoal infection
• protozoan
• protozoic
• protozoological
• protozoologist
• protozoology
• protozoon
• protract
• protracted
• protractedly
• protractible