Buffalo clover Meaning, Definition & Usage

  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
    bluebonnet; Lupinus subcarnosus; Texas bluebonnet.
  2. noun clover of western United States
    Trifolium reflexum; Trifolium stoloniferum.

WordNet

Definitions
  1. (Bot.), a kind of clover (Trifolium reflexum and T.soloniferum) found in the ancient grazing grounds of the American bison.

Webster 1913