About Inonotus hispidus (Bull.) P.Karst.
The fruit bodies of Inonotus hispidus (Bull.) P.Karst. are typically semicircular and lumpy, measuring 10–20 centimetres (4–8 in) across. When fresh, they are orangish with a lighter margin, and turn black as they age. The flesh is orangish, and the spore print is brown. This fungus grows on oak and other hardwoods throughout eastern North America. In eastern Asia, it has been popularly used as a remedy for many illnesses, including cancer, diabetes, and other stomach ailments. In modern pharmacology, studies have found it helps lower blood glucose levels, produces anti-tumor responses, and improves overall health in mice.