Guaiacum (Guaiacum officinale)

Guaiacum (Guaiacum officinale) is a member of the Zygophyllaceae family, native to Caribbean Islands, Central America, and South America. Traditionally, its bark, resin, and wood have been used for decoctions, powders, and infusions.

This herb is particularly valued for its anti-inflammatory, bitter, and astringent actions, and has a long history of use in native american herbal medicine, european herbal medicine, and traditional chinese medicine.

Guaiacum (Guaiacum officinale) dried pieces of the herb arranged on a wooden table for reference — Guaiacum (Guaiacum officinale) dried pieces of the herb arranged together on a wooden table for reference, used in teas and remedies.

Quick Facts / Key Information

Common Name	Guaiacum
Scientific Name	Guaiacum officinale
Plant Family	Zygophyllaceae
Genus	Guaiacum
Species	officinale
Native Range	Caribbean Islands, Central America, South America
Plant Parts Used	Bark, Resin, Wood
Primary Medicinal Actions	Anti-Inflammatory, Bitter, Astringent
Primary Traditional Systems	Native American Herbal Medicine, European Herbal Medicine, Traditional Chinese Medicine
Historical Preparation Methods	Decoction, Powder, Infusion

Botanical Identity

Scientific Name: Guaiacum officinale
Common Name: Guaiacum
Synonyms / Alternative Names: Spanish Officinal Tree, Dragon'S Blood Tree, Spanish Whistling Cherry
Plant Family: Zygophyllaceae
Genus: Guaiacum

Botanical Description

Growth Habit: Perennial herbaceous plant.
Height: It typically reaches a height of 2 to 6 meters.
Leaves: Broad leaves with upper surface dark green and lower surface light green, bearing distinct stomatal bands along the midrib.
Flowers: Flowers are actinomorphic, yellow with five ovate petals and five sepals, arranged in solitary clusters
Stems: Cylindrical, woody, and somewhat succulent, the stems are typically erect, with a smooth surface and opposite branching patterns.

Traditional Uses / Historical Use

Traditional Systems

Native American Herbal Medicine
European Herbal Medicine
Traditional Chinese Medicine

Historical Preparation Methods

Decoction
Powder
Infusion
Poultice

Medicinal Actions

Anti-inflammatory: As described in traditional systems, a calming anti-inflammatory, for general calming applications.
Bitter: In herbal literature, noted as a moderate bitter, in taste-driven classifications.
Astringent: Historically regarded as a cooling astringent, in drying-focused uses.
Tonic: Traditionally described as a soothing tonic, for foundational support.

Active Compounds

Tannin: High-molecular-weight phenolic compounds found in many plant species.
Flavonoid: Plant-based polyphenolic compounds frequently distributed throughout aerial plant parts.
Coumarin: A class of aromatic organic compounds found in many plant species.
Phenolic Acid: A class of aromatic plant compounds commonly found in leaves, seeds, and stems.

Modern Research Overview

This section is reserved for future summaries of scientific research related to this plant. As additional verified sources are reviewed, relevant study information will be added here.

Safety & Contraindications

General Precautions: Caution is advised in certain contexts based on traditional use and available information.
Contraindications: Certain contraindications have been reported in relation to the use of this herb.
Allergies: Allergic reactions associated with this herb have not been well documented.
Drug Interactions: The potential for interactions with prescription medications has not been extensively studied.
Toxicity: Toxic effects have been reported in association with the use of this herb.
Pregnancy & Breastfeeding: Available information regarding use during pregnancy or breastfeeding is limited.

Preparation & Usage Methods

Infusion: A preparation method involving steeping plant material in heated water for a short period.
Decoction: Plant material is simmered in water to extract compounds from tougher parts.
Poultice: A topical preparation made by applying softened plant material externally.
Powder: Powdered preparations use finely milled plant parts.
Tincture: Alcohol is used as a solvent to extract plant constituents over time.

Growing, Harvesting & Storage

Growing / Cultivation

Soil: Prefers loamy soil with well-drained conditions. Typically grows best in organically rich soils.
Sunlight: Thrives in full sun. Tolerates full sun to partial shade.
Watering: Prefers well-balanced moisture levels. Tolerates periodic dry conditions.