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

• Brisbane quandong
• brisk
• brisk up
• brisken
• brisket
• briskly
• briskness
• brisling
• Briss
• bristle
• bristle at
• bristle brush
• bristle fern
• bristle up
• bristle-pointed
• bristlecone fir
• bristlecone pine
• bristled
• bristlegrass
• bristlelike
• bristletail
• bristliness
• bristly
• bristly locust
• bristly oxtongue