Bishop's Weed Definition

A chiefly Mediterranean annual plant (Ammi majus) in the parsley family, grown as a source of psoralen compounds used in medicine and as an ornamental for its compound umbels of small white flowers.

A chiefly Mediterranean annual plant (Ammi majus) in the parsley family, grown as a source of psoralen compounds used in medicine and as an ornamental for its compound umbels of small white flowers.

A European plant (Aegopodium podagraria) in the parsley family, widely naturalized in eastern North America, having small white flowers grouped in compound umbels. A variegated form is commonly grown as an edging or ground cover.