Perennial; stiff 4 sided stems are simple or branched. Leaves are opposite or whorled and have smooth edges. Small magenta flowers with 5-7 petals on tall showy spikes.
Plant Details
| Habitat Notes | Disturbed sites, perennial and seasonal wetlands, marsh and pond edges, streambanks, cananls and ditches. |
|---|---|
| Mature Height | 3-10’ |
