Purple Loosestrife | South Dakota Department of Agriculture

(Lythrum salicaria)

Roots: Short rhizomes, tap root

Stems: Erect, 6-8 feet tall

Leaves: Simple, not lobed, opposite or whorled, smooth margins.

Seed: Small, oval

Flowers: Six petals (may be 5 to 7), rose-purple color.

Origin: Eurasia and Africa

Poisoning: None