Botanical Overview
Mountain Soursop (Annona montana) is a species in the Annonaceae family. The custard-apple family (Annonaceae) includes trees and shrubs with simple, alternate leaves and distinctive three-petaled flowers. The fruits are typically fleshy aggregates of berries. Many species produce acetogenins and isoquinoline alkaloids with potent biological activity. Although comprehensive ethnobotanical records are limited, phytochemical studies have identified 12 compounds in this species, suggesting potential medicinal value.

General Description
It has fibrous fruits. A. montana may be used as a rootstock for cultivated Annonas.
Family Context
The Annonaceae family is widely distributed. Notable medicinal members include:
- Soursop — 44 documented uses
- Sugar-Apple — 24 documented uses
- Ethiopian Pepper — 21 documented uses
- Custard Apple — 19 documented uses
Geographic Distribution
Mountain Soursop has been recorded in 10 countries and territories worldwide, including Bolivia, Brazil, Colombia, Costa Rica, Dominican Republic, and others.
Active Compounds
Phytochemical research has identified 12 compounds in this species, including a diverse array of phytochemical classes (see the Complete Chemical Inventory below for the full list).
The identified compounds include the following categories:
- Alkaloid: nitrogenous compounds with diverse pharmacological activities
Research Status
Although this species has documented phytochemical constituents, its ethnobotanical and clinical documentation remains incomplete. Additional phytochemical investigation could identify novel bioactive compounds in this plant.