Geranium maculatum, Geranium robertianum, Wild Geranium, Alum Root, American Cranesbill, Spotted Cranesbill, Old Maid's Nightcap, and Crowfoot.
Cranesbill is used for its tannins, compounds that cause proteins in mucous membranes and other linings of the human body exposed directly to the tea to cross-link to prevent leakage or infection. Its primary use in modern herbal medicine is to treat diarrhea in children without side effects. It is also used in poultices to treat pain from infection or inflammation and to relieve the discomfort of cyclic breast pain. The "tanning" action of cranesbill makes it useful for treating conditions as varied as sore throat, canker sores, ulcers, burns, gingivitis, leukorrhea, hemorrhoids,