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

• Roth
• Rothko
• Rothschild
• roti
• rotifer
• Rotifera
• rotisserie
• rotl
• rotogravure
• rotor
• rotor blade
• rotor coil
• rotor head
• rotor shaft
• rotoscope
• rotovator
• rotted
• rotten
• rotten borough
• rottenly
• rottenness
• rottenstone
• rotter
• Rotterdam
• rotting