leadplant

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A deciduous North American shrub (Amorpha canescens) in the pea family, having small purple flowers and pinnately compound leaves covered with whitish hairs.

from the GNU version of the Collaborative International Dictionary of English.

• noun 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.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun 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