Botanical Overview
Guazuma tomentosa belongs to the Sterculiaceae family. Limited but reliable traditional records indicate this plant has recognized medicinal applications in one or more healing traditions. The sterculia family (Sterculiaceae) includes trees and shrubs with alternate leaves, often with stellate hairs. The flowers have five sepals and petals, and the fruits are typically capsules or follicles. Many species produce mucilaginous substances and have traditional uses as demulcents.

Family Context
The Sterculiaceae family is widely distributed. Notable medicinal members include:
- Bay Cedar — 30 documented uses
- Cacao — 22 documented uses
- Raichie — 16 documented uses
- Pterospermum acerifolium — 14 documented uses
Geographic Distribution
Guazuma tomentosa has been recorded in 10 countries and territories worldwide, including Brazil, Colombia, Costa Rica, Cuba, Dominican Republic, and others.
Traditional Uses
Guazuma tomentosa has been traditionally used for respiratory conditions, skin and wound care, and fever management, among other applications.
Respiratory conditions.
- Cough
Respiratory conditions are addressed through steam inhalation of the herb’s vapors or internal use as a warm tea. The hot infusion acts as an expectorant, helping to loosen phlegm and clear congestion. Some traditions combine it with honey for coughs.
Skin and wound care.
- Skin
- Leprosy
For skin conditions, the fresh or dried plant is applied topically as a poultice, wash, or compress. A strong decoction can be used to clean wounds and sores. The antimicrobial properties help prevent infection while promoting tissue repair.
Fever management.
- Malaria
Febrifuge preparations are typically administered as hot teas to induce perspiration, which helps the body regulate temperature. The patient is kept warm and encouraged to rest while the herb promotes sweating.
Active Compounds
Phytochemical research has identified 11 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:
- Sterol: cholesterol-like compounds with anti-inflammatory properties