Plant is an upright perennial that spreads by a tuber that
resembles a large white, segmented worm. Its preferred habitat
is yards, waste sites, stream banks and gardens. Distribution
is throughout the Escambia region.
Leaves are opposite on the stem; stalked and reduced in
size and length upward the stem. Blade is egg-shaped to lance-like
with a squared base. Leaf tip is tapered and nearly rounded.
Margins are strongly serrated.
Flowers are clustered at the end of the stem in the last
four to six nodes. Corolla is white to lavender; irregular in
shape; about one-half inch long; upper lip is straight but lower
lip is 3-lobed. Flowers occur in the spring and summer.
Fruit is an ovary with two or more seed chambers.