Appearance: Perennial herbaceous plant with creeping square stems (indicates member of the mint family) that grow about 2' long, flowering stems are erect.
Leaves: Opposite, long stalked and bluntly toothed, bright green and shiny with palmate veins.
Flowers: Light blue to bluish-purple, tubular, directed to one side of the stem. They bloom from April to June.
Seeds: Small flat nutlets.
Roots: Roots grow from each leaf node that creeps along the soil surface spreading vegetatively as well.