Native to eastern North America, and present throughout the eastern half of the continent to the Rocky Mountains, as well as in California, Oregon, and Idaho.
A perennial plant found particularly in wet areas along roadsides or in bogs and marshes. Foliage dies back in the winter, and reproduction is from seeds.
Mature plants can be over 2 feet in height as erect, slender plants with sparsely branched stems. Leaves are dark green and smooth, lance-shaped and without stalks, even seeming to envelop the stem at their base. Flowers occur singly on a long stalk that arises from the base of the leaf, and these are purple to bluish in color. The petals are fused at their bases to form a deep tube that is surrounded by the long, green calyx.
Characteristicts Important to Control:
Not generally present in numbers that present a problem. Control is not needed.