The Collaborative International Dictionary
Plumbago Europaea
Leadwort \Lead"wort`\, n. (Bot.) A genus of maritime herbs ( Plumbago). Plumbago Europ[ae]a has lead-colored spots on the leaves, and nearly lead-colored flowers.
Wikipedia
Plumbago europaea
Plumbago europaea, also known as the common leadwort, is a plant species in the genus Plumbago found in the Mediterranean Basin and Central Asia.
P. europaea produces the flavonol europetin.