1. Herb of southwestern United States having dark purple bell-shaped flowers mottled with green
   - black fritillary, Fritillaria biflora 
2. Herb of northwestern America having green-and-purple bell-shaped flowers
   - rice-grain fritillary, Fritillaria affinis, Fritillaria lanceolata, Fritillaria mutica

Type of: checkered lily [US], fritillary

• red-green color blindness
• red-green colour blindness
• red-green dichromacy
• red-grey
• red-handed
• red-hot
• red-hot poker
• red-ink
• red-lavender
• red-lead putty
• red-legged partridge
• red-letter
• red-letter day
• red-light district
• red-necked grebe
• red-orange
• red-pencil
• red-purple
• red-rimmed
• red-shafted flicker
• red-shouldered hawk
• red-skinned onion
• red-spotted purple
• red-streaked
• red-striped