1. Low-growing north temperate herb having small white star-shaped flowers; named for its alleged ability to ease sharp pains in the side
   - stitchwort, starwort, Stellaria holostea

Type of: chickweed

• genus Pisum
• genus Pithecanthropus
• genus Pithecellobium
• genus Pithecia
• genus Pithecolobium
• genus Pitta
• genus Pituophis
• genus Pitymys
• genus Pityrogramma
• genus Placuna
• genus Plagianthus
• genus Planera
• genus Planococcus
• genus Plantago
• genus Plasmodiophora
• genus Plasmodium
• genus Platalea
• genus Platanthera
• genus Platanus
• genus Platichthys
• genus Platycerium
• genus Platylobium
• genus Platymiscium
• genus Platypoecilus
• genus Platystemon