Anadenanthera colubrina is a tree native to South America and is commonly known as the Cebil tree. There are a few synonyms for this tree, including Piptadenia colubrina, Acacia colubrina, and Vachellia colubrina. It is also sometimes referred to as the Yopo tree due to the hallucinogenic properties of its seeds. The tree is known for its medicinal properties and is used to treat conditions such as asthma, bronchitis, and fever. In addition, it is also used for timber and charcoal production. The tree's bark, leaves, and fruits are all used for different purposes, making it an important resource for local communities.