"Aspidosperma" is a genus of flowering plants in the family Apocynaceae, which are native to the Americas. These trees and shrubs are known for their milky sap and contain various alkaloids with potential medicinal properties. However, it's important to note that many of these compounds can also be toxic if not used properly. Therefore, "Aspidosperma" itself is not a medical term or treatment, but rather a botanical name for a group of plants. Any medicinal use of these plants should be done under the guidance of a qualified healthcare professional.

Indole alkaloids are a type of naturally occurring organic compound that contain an indole structural unit, which is a heterocyclic aromatic ring system consisting of a benzene ring fused to a pyrrole ring. These compounds are produced by various plants and animals as secondary metabolites, and they have diverse biological activities. Some indole alkaloids have important pharmacological properties and are used in medicine as drugs or lead compounds for drug discovery. Examples of medically relevant indole alkaloids include reserpine, which is used to treat hypertension, and vinblastine and vincristine, which are used to treat various types of cancer.

Apocynaceae is a family of flowering plants that includes shrubs, trees, and vines. It's also known as the dogbane or milkweed family. The plants in this family have milky sap and contain toxic compounds, which can be harmful or even fatal to animals and humans if ingested. Some well-known members of Apocynaceae include the various species of milkweeds (Asclepias spp.), oleander (Nerium oleander), and periwinkle (Vinca spp.).

The family is characterized by having opposite leaves, flowers with five petals and five sepals, and a superior ovary. The fruits are usually paired follicles that contain numerous seeds with tufts of hair to aid in wind dispersal. Many species in this family have medicinal or toxic properties, and some have economic importance as ornamental plants, sources of fiber, or for their use in traditional medicine.