Definitions for "Loosestrife"
The name of several species of plants of the genus Lysimachia, having small star-shaped flowers, usually of a yellow color.
Any species of the genus Lythrum, having purple, or, in some species, crimson flowers.
Lythrum salicaria, a spreading perennial herb that blooms with purplish flowers. Other names for it include Purple Loosestrife, Purple Willowherb and Black Blood.