United States, Minnesota, Lake, Wolf Ridge Environmental Learning Center, northwest banks of beaver dam lake (About 300m north of Raven Lake)
47.381417 -91.187922
47.381417, -91.187922; collector
366 meters
1200 ft
Growing among sedges and grass at the edge of pond in wet, moist soil
About 1m tall herbaceous shrub. Stem green at the base, purple towards the top. Leaves whorled, 4 leaves/node on the main stem, leaves turn to be opposite on branches. Flower head with purple florets.
Growing in clusters of 2-5 and sparsely distributed