White Sweetclover (Melilotus alba) Pea family
A biennial legume. In the first season of growth, sweetclover produces vegetative shoots which may reach 12 inches. In its second season of growth, plants can grow up to 6 feet.Upright growth habit. Intolerant of shade. White and yellow sweetclover are very similar, differing primarily in flower color.Leaves toothed and compound with three leaflets.
Growing aggressively along the Matanuska, Nenana, and Stikine Rivers of Alaska. Sweetclover has been shown to negatively impact native vegetation in river habitats.
Excluding Seward, uncommon in the Kenai Peninsula. Rapidly colonizes open waste areas and quickly spreads along riparian areas and riverbanks.