👉 Oleana is a genus of flowering plants in the family Apiaceae. They are commonly known as the "sweet alpacas" due to their sweet and tart flavor. The exact number of species within this genus varies, but it is estimated that there may be around 100 species. The name "oleana" comes from Latin and refers to a type of sweet fruit that grows in the wild on the ground. It is often used as a common name for this type