1. (noun) 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

• buffalo clover
• lupinus subcarnosus
• texas bluebonnet

2. (noun) a brimless dark blue Scottish cap with a flat top and a plume on one side

• balmoral

1. (noun) 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

• lupin
• lupine

2. (noun) a brimless dark blue Scottish cap with a flat top and a plume on one side

• cap