| buffalo clover | (n) clover of western United States, Syn. Trifolium reflexum, Trifolium stoloniferum |
| bluebonnet | (n) 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. buffalo clover, Lupinus subcarnosus, Texas bluebonnet |