1. Orchid of South America and Trinidad having large yellow and reddish-brown flowers; sometimes placed in genus Oncidium
   - Oncidium papilio

Type of: butterfly orchid

• dioecian
• dioecious
• dioestrous
• dioestrual
• Diogenes
• diol
• Diomedea exulans
• Diomedea nigripes
• Diomedeidae
• Dionaea
• Dionaea muscipula
• Dionysia
• Dionysiac
• Dionysian
• Dionysius
• Dionysius the Elder
• Dionysus
• dioon
• Diophantus
• diopside
• diopter
• dioptre
• dioptric
• dioptrics
• Dior