1. Birthwort of the eastern United States woodlands
   - Virginia serpentaria, Virginia serpentary, Aristolochia serpentaria

Type of: Aristolochia clematitis, birthwort

• penetralia
• penetrate
• penetrating
• penetrating injury
• penetrating trauma
• penetratingly
• penetration
• penetration bomb
• penetrative
• penetratively
• penetrator
• Peneus
• penguin
• pengö
• penial
• penicillamine
• penicillate
• penicillin
• penicillin F
• penicillin G
• penicillin O
• penicillin V
• penicillin V potassium
• penicillin-resistant
• penicillin-resistant bacteria