Definition of "leadwort" in English

noun

1. Plants in family Plumbaginaceae

2. A leadplant, a leguminous shrub of species Amorpha canescens,) of the western U.S. that has hoary pinnate leaves and bears dull-colored racemose flowers; supposed to help locate lead deposits.

3. Diverse plants that tolerate high levels of lead, such as spring sandwort (Sabulina verna subsp. verna, syn. Minuartia verna) and alpine pennycress (Noccaea caerulescens, syn. Thlaspi caerulescens).