There was a potion ingredient called Bloodroot. It came from North America and was one of the ingredients in Beautification Potion in Europe.
It was poisonous and could not be taken internally, only applied externally. Used appropriately, it could remove warts from the skin, but excessive use would damage the skin. It could be bought at Madam Primpernelle's Beautifying Potions in Diagon Alley. Her beauty potions could not only remove warts, but also treat freckles and acne.
This herb was nowhere near as precious as Rhem cow blood and could be found everywhere in North America. From midsummer to late summer, it bloomed with white flowers. After pollination, the flower's double petals fell away, and the plant entered dormancy. It had an extensive root system that, after years of growth, formed a large clump. Around autumn, when its rhizomes were harvested, they exuded a red liquid resembling blood. Indigenous peoples used it as dye, which was why it was also called Indian red. In addition, before setting out, warriors had this red pigment applied to their bodies by the tribe's shaman, or applied it themselves, as a blessing.
The Appalachian Mountains was a collective name for the many mountain ranges in eastern North America. The earliest colonists to reach North America settled east of the mountains. At the time, it was the territory of the Wampanoag and Narragansett. After Ilvermorny was founded, two Narragansett boys and a Wampanoag mother and daughter joined them. They hoped to exchange their magic for wandmaking techniques.
In fact, Bloodroot had other uses. Like Deathvine Water, it was used in certain rituals. When the colonists first arrived in the New World and faced that untamed wilderness, it was the indigenous peoples who taught them how to survive. They even brought food and held feasts with