Genus Proboscidea is a term that refers to a genus of plants commonly known as elephant trees. These trees are famous for their large, thick, and grayish-white trunks that resemble elephant's legs. Although the term "Genus Proboscidea" is commonly used to refer to elephant trees, there are several synonyms that also refer to these trees, including: Cavanillesia, which refers to the elephant's leg tree; Bursera simaruba, which refers to the gumbo limbo tree; and Pachycormus, which refers to the elephant tree. These synonyms are used interchangeably depending on the individual's preference or familiarity with the specific type of elephant tree. Regardless of the synonym used, they all refer to the iconic and unique appearance of these fascinating trees.