buffalo clover buffalo clover /ˈbʌfəloʊ ˈkloʊvər/

noun

1. Clover of western United States  ( buffalo clover , Trifolium reflexum , Trifolium stoloniferum )
   clover of western United States
   
2. 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 , Lupinus subcarnosus , Texas bluebonnet )
   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