Lobelia inflata (Indian Tobacco)
|Also known as:|
|Habitat:||part shade, sun; moist open woods, thickets|
|Bloom season:||July - October|
|Plant height:||6 to 30 inches|
|Wetland Indicator Status:||GP: FAC MW: FACU NCNE: FACU|
|MN county distribution (click map to enlarge):|
|National distribution (click map to enlarge):|
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Irregular, tubular flowers in racemes arising from leaf axils in the upper part of the plant; usually only 1 or 2 flowers are open on a raceme at a time. Flowers are pale blue or white, about 1/3 inch long. The lower lip is 3-lobed, the lobes pointed at the tip and all about the same size, the base yellowish with a tuft of white hairs. The upper lip is 2-lobed, the lobes mostly erect and smaller than the lower lobes. A curved style sits between the upper lobes. The calyx behind the flower has 5 narrow prong-like lobes.
Leaves and stem:
Leaves are 2 to 3 inches long, ½ to 1½ inches wide, hairy, toothed around the edges, generally oval with a pointed tip and little to no leaf stalk, alternately attached. The stem is hairy to varying degrees and usually branched.
Indian Tobacco is pretty easy to identify by the racemes arising from the leaf axils, and the inflated capsules. The Lobelia genus was once in its own Lobeliaceae family, then was moved to the Campanulaceae (Bellflower) family but is now back in Lobeliaceae.
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Photos by K. Chayka taken at Wild River State Park, Chisago County, and in Lake County. Photos courtesy Peter M. Dziuk taken in Anoka and Pine counties
Have you seen this plant in Minnesota, or have any other comments about it?