1. Curved or curving in and out
   - sinuous, wiggly 
2. Having a strongly waved margin alternately concave and convex

See also: curved, curving, smooth

• genus Polyprion
• genus Polystichum
• genus Pomacanthus
• genus Pomacentrus
• genus Pomaderris
• genus Pomatomus
• genus Pomolobus
• genus Pomoxis
• genus Poncirus
• genus Pongamia
• genus Pongo
• genus Pontederia
• genus Pooecetes
• genus Popillia
• genus Populus
• genus Porcellio
• genus Poronotus
• genus Porphyra
• genus Porphyrio
• genus Porphyrula
• genus Portulaca
• genus Portunus
• genus Porzana
• genus Potamogale
• genus Potamogeton