1. Orchid of South and Central America having flowers similar to but smaller than Psychopsis papilio; sometimes placed in genus Oncidium
   - Oncidium papilio kramerianum

Type of: butterfly orchid

• Romberg
• Rome
• Rome Beauty
• Romeo
• romish
• Rommany
• Rommel
• Romneya
• Romneya coulteri
• romp
• romper
• romper suit
• Romulus
• Ron
• Ronald George Wreyford Norrish
• Ronald Reagan
• Ronald Wilson Reagan
• rondavel
• rondeau
• rondel
• rondelet
• rondo
• rondure
• roneo
• Roneograph