'Texas bluebonnet' definitions:

Closely resembles Lupinus subcarnosus; southwestern United States (Texas) [syn: Texas bluebonnet, Lupinus texensis]

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 [syn: bluebonnet, buffalo clover, Texas bluebonnet, Lupinus subcarnosus]