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

• ripeness
• ripening
• ripieno
• riposte
• ripper
• ripping
• ripping bar
• ripping chisel
• ripple
• ripple effect
• ripple mark
• ripple-grass
• rippled
• rippling
• ripply
• riprap
• ripsaw
• ripsnorter
• riptide
• RIRA
• RISC
• rise
• rise to power
• rise up
• risen