1. Low-growing annual herb of southwestern United States (Texas) having silky foliage and blue flowers; a leading cause of livestock poisoning in the southwestern United States
   - bluebonnet, buffalo clover, Texas bluebonnet

Type of: lupin, lupine

• fly orchid
• fly poison
• fly rod
• fly sheet
• fly tent
• fly the coop
• fly tipper
• fly-by
• fly-by-night
• fly-fishing
• fly-half
• fly-tip
• flyaway
• flyblown
• flybridge
• flycatcher
• flycatching warbler
• flyer
• flyfish
• flying
• flying bird
• flying boat
• flying bomb
• flying bridge
• flying buttress