(n) shrub of sandy woodlands and stream banks of western United States having hoary pinnate flowers and dull-colored racemose flowers; thought to indicate the presence of lead ore, Syn. Amorpha canescens, lead plant
n. A shrub (Amorpha canescens) of sandy woodlands and streambanks of the Western U. S. having hoary pinnate flowers and dull-colored racemose flowers; it is thought to indicate the presence of lead ore. Syn. -- lead plant, Amorpha canescens. [ WordNet 1.5 ]