1. Ornamental plant of Middle East cultivated for its dark purple spathe
   - black calla

Type of: aroid, arum

Part of: genus Arum

• rifled
• rifleman
• rifleman bird
• rifler
• rifling
• rift
• rift valley
• Rift Valley fever
• rig
• rig up
• Rig-Veda
• Riga
• rigadoon
• rigamarole
• rigatoni
• Rigel
• rigged
• rigger
• rigger brush
• rigging
• Riggs' disease
• Riggs's disease
• right
• right along
• right angle