The genus Heuchera includes at least 50 species of herbaceous perennial plants in the family Saxifragaceae, all native to North America. Common names include alumroot and coral bells. They have palmately lobed leaves on long petioles, and a thick, woody rootstock. The genus was named after Johann Heinrich von Heucher (1677–1746), an 18th century German physician. Alumroot species grow in varied habitats, so some species look quite different from one another, and have varying preferences r… (More on Heuchera)