This native perennial grows in colonies (C), up to 3 feet tall. The erect stems are square and hold lance-shaped leaves which are opposite on the stem (A). The lavender flowers are arranged in terminal spikes. Identified by the two horn-like projections on each flower (B). The seeds are shown in image (D).
Grows in moist areas and prairies, flowering from June through August. In Fontenelle Forest, common along Stream Trail. At Neale Woods, common in Knull Prairie near the Tallgrass Prairie Trail entrance.
A leaf tea was used in traditional medicine for a variety of ailments. Other common names include American Germander and Wood Sage.
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