1. Hybrid from Ipomoea nil
   - imperial Japanese morning glory

Type of: morning glory

• ritonavir
• ritornello
• Rittenhouse
• ritual
• ritual dance
• ritual dancing
• ritual killing
• ritualise
• ritualism
• ritualist
• ritualistic
• ritualistically
• ritualize
• ritually
• ritz
• ritzy
• rival
• rivalrous
• rivalry
• rive
• river
• River Acheron
• River Adige
• River Aire
• River Arno