Possible Clues:

• Plant that can cause an itchy rash
• It may cause rash woman to pursue tipple
• Irritating growth of America
• North American sumac with ulcerating juice
• North American toxic plant
• Climber given unknown wine to drink when climbing, gulping oxygen
• Cashew kin
• American climbing plant that causes dermatitis on contact — 1992 film with Drew Barrymore
• Song by Lieber and Stoller, originally recorded by The Coasters
• Batman foe named for a plant