leadplant

[led-plant, -plahnt]

noun

a North American shrub, Amorpha canescens, of the legume family, the leaves and twigs of which have a gray cast.

Origin of leadplant

An Americanism dating back to 1825–35; lead² + plant

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018