Senna hebecarpa
Senna hebecarpa, with the common names American senna and wild senna, is a species of legume native to eastern North America. Description
Senna hebecarpa grows as a sparsely branched perennial plant. It has alternate, compound leaves. Clusters of light yellow to orange flowers bloom from July to August in North America. Distribution and habitat
The plant is found from the Great Lakes region and Maine southwards through the Eastern United States, in the Appalachian Mountains and Atlantic Plains, to Georgia. It is found in moist open woodlands, and in disturbed areas. Ecology
It is a larval host and nectar source for the Cloudless Giant Sulphur (Phoebis sennae) butterfly. It is also of special value to native bumble bees. Conservation status in the United States
It is endangered in Massachusetts and New Hampshire, threatened in Vermont, as historical in Rhode Island, and as threatened in Connecticut. Uses
Senna hebecarpa is cultivated as an ornamental plant, for use as a perennial wildflower and flowering shrub in traditional and wildlife gardens, in natural landscaping projects, and for habitat restoration projects. Native American ethnobotany
The Cherokee use an infusion of the plant for various purposes, including taking it for cramps,  heart trouble, giving it to children and adults as a purgative and for fever, and taking it for 'blacks' (hands and eye sockets turn black). They also give an infusion of the root specifically to children for fever. They use a poultice the root for sores, and they use a compound infusion for fainting spells. They also use a compound for pneumonia. The Iroquois use the plant as a worm remedy and take a compound decoction as a laxative. References

External links
USDA Plants Profile for Senna hebecarpa (American senna)
University of Michigan—Dearborn: Native American Ethnobotany of Senna hebecarpa
 Connecticut Botanical Society: Senna hebecarpa
 Illinois Wildflowers: Senna hebecarpa

hebecarpa
Flora of Northern America
Plants used in traditional Native American medicine
Butterfly food plants
Garden plants of North America