👉 Hydnaceae is a family of flowering plants in the class Magnoliopodiophyta. The family includes over 50 genera of around 1,000 species, commonly known as holly trees or evergreens, and some are more commonly known as birch trees. These plants are characterized by their large, upright leaves with a distinctive heart-shaped leaflet at the base, which is often called the "heart" or the "stem." The name "hydn