Genus Simarouba is a tree that belongs to the family Simaroubaceae. The tree is native to South and Central America and is known for its medicinal properties. There are some synonyms that are used interchangeably for the Genus Simarouba, which includes Simaba, Simarouba, and Ailanthus. The tree also goes by different names in various countries, like Palo de Leche or Rauli in Mexico, Marupa in Brazil, and Sauco in Costa Rica. The Genus Simarouba is known for its resistance to pests and diseases and is commonly used for reforestation and as an ornamental plant. With its diverse uses and aliases, the Genus Simarouba continues to fascinate and benefit various industries to this day.