Emergent Aquatic Plants  

Leaf Pairs arranged Perpendicular on Square Stem

Purplish Flowers on Spike

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Common Name:  Purple Loosestrife
Genus/Species:  Lythrum salicaria

Glossary of Terms

Description: Plant stems are 2 to 7 feet (0.6 to 2.1 m) in height.  These fine-haired stems are stiff and 4 sided.  Leaves are arranged oppositely on the stem, usually in pairs but sometimes in threes.  Flowers are bright purplish-pink on a spoke closely attached to the stem.

Distribution: Western, upper Midwest and Northeastern states.