The leaves that are coarsely toothed with deeply lobed margins. Plants commonly have hairy veins on the undersides of the foliage. Each stem will have either three leaves that branch near the top, or will have three compound leaves and one upright flowering stalk from one point on the main central stem.
Plants produce one to a few ternately branched stems which bear clusters of flowers having 3 to 5 sepals that are petal-like and obovate in shape and remain after flowering. The petals are deciduous, falling away after flowering is done. They are clawed at the base and 2.5 mm to 4 mm long and spatulate to odovate in shape. Flowers have numerous stamens and the are white in color.
After flowering green berries are produced. The fruits are ellipsoid shaped berries containing several seeds. In mid to late simmer, the berries turn bright red or white (forma neglecta). The berries also have a black dot on them.
Native Americans used the juice from the fruits of various baneberry species to poison arrows, and used the root as a herbal remedy for menstrual problems.
The root of this species has been used as a strong alternative to Black Cohosh, (Cimicifuga racemosa) for menstrual cramping and menopausal discomfort.
The berries are the most toxic part of the plant. A healthy adult will experience poisoning from as few as 6 berries. Ingestion of the berries causes nausea dizziness, increased pulse and severe gastrointestinal discomfort.The toxins can also have an immediate sedative affect on the cardiac muscle tissue possibly leading to cardiac arrest if introduced into the bloodstream. As few as 2 berries may be fatal to a child.
The fruits and foliage contain ranunculine, and are often reported to contain protoanemonin.
All parts of the plant contain an irritant oil that is most concentrated with in the roots and berries.
The roots contain β-sitosterol glucoside.
There have been no reported cases of severe poisoning or deaths in North America, but children have been fatally poisoned by its European relative A. spicata, It is claimed that poisoning is unlikely from eating the fruits of this species also
This plant closely resembles mountain sweetroot, (Osmorhiza chilensis), and can be confused with it, however, Red Baneberry lacks the strong anise-like "spicy celery" odor of mountain sweetroot. DOI: 10.1055/s-2006-951696