Botanical Overview
Forskohl’s Coleus (Plectranthus barbatus) is a species in the Lamiaceae family. The mint family (Lamiaceae) includes aromatic herbs and shrubs with square stems, opposite leaves, and two-lipped flowers. Many species produce essential oils in glandular trichomes on their leaves and stems. This family is one of the most important sources of culinary and medicinal herbs worldwide. Although comprehensive ethnobotanical records are limited, phytochemical studies have identified 30 compounds in this species, suggesting potential medicinal value.
General Description
It is known by the common name woolly plectranthus. It produces forskolin, an extract useful for pharmaceutical preparations and research in cell biology.
Family Context
The Lamiaceae family is large and widely distributed. Notable medicinal members include:
- Basil — 86 documented uses
- Rosemary — 60 documented uses
- Agbo — 54 documented uses
- Sage — 49 documented uses
Geographic Distribution
Forskohl’s Coleus has been recorded in 10 countries and territories worldwide, including Brazil, Eritrea, Ethiopia, India, Kenya, and others.
Active Compounds
Phytochemical research has identified 30 compounds in this species, including a diverse array of phytochemical classes (see the Complete Chemical Inventory below for the full list).
Research Status
Although this species has documented phytochemical constituents, its ethnobotanical and clinical documentation remains incomplete. Further ethnobotanical and pharmacological research may reveal additional therapeutic applications for this species.