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Dragon's Blood (Calamus draco) — Dragon's Blood Resin, Sangre de Drago
Materia Medica
Dragon's blood is a deep red resin obtained from the fruits of the climbing rattan palm Calamus draco (formerly Daemonorops draco) of Southeast Asia. The resin has a long history of traditional use across Asia and later in European and American herbal practice as an astringent and vulnerary. It is distinct from the resin of the South American tree Croton lechleri, which is also sometimes called dragon's blood. The material is primarily valued for topical applications and as a dye.
Actions & Energetics
Astringent and mildly warming. Traditional actions include vulnerary, hemostatic, and mild antimicrobial. The resin is classically used externally for minor wounds, sores, and as a styptic. Internal use is less common in modern practice. The red color and resinous nature have contributed to its long commercial history as a dye and varnish ingredient.
Botanical Description
A climbing rattan palm of the Arecaceae family native to the rainforests of Indonesia, Malaysia, and surrounding regions. The fruit clusters yield the red resin when the outer coating is processed. The commercial product is the dried, powdered, or chunked resin rather than a leaf or root preparation. Correct botanical identification of the source species is important because multiple plants have been called dragon's blood.
Traditional Indications
Southeast Asian traditional use of the resin for wounds, diarrhea, and as a dye. Later European and American herbal literature adopted it as an astringent for external sores and minor bleeding. It appears in older pharmacopoeias as a coloring and mild astringent agent. Contemporary use is primarily topical or as a craft and dye material.
Preparations & Dosage
Powdered resin applied topically or mixed into ointments for minor wounds. Tincture or dissolved resin for external use. Internal doses are not well standardized in modern practice and are generally avoided. The resin is insoluble in water and is typically used in alcohol, oil, or as a fine powder.
Constituents
Dracorubin, dracorhodin, and related red pigments; phenolic compounds and resin acids. The pigments are responsible for the characteristic color and have been studied for antioxidant and mild antimicrobial activity. Composition varies with source and processing.
Modern Research
Laboratory studies have examined antioxidant, antimicrobial, and wound-related activity of extracts and isolated pigments. Human clinical data for the Southeast Asian resin are limited. Traditional external use is documented across multiple cultures. The material remains of greater interest as a dye and historical remedy than as a major modern phytotherapeutic agent.
History, Folklore & Spiritual Use
The name dragon's blood reflects the vivid red color of the resin. It has been traded for centuries as a dye, varnish ingredient, and medicinal resin. In some ritual traditions the resin is used for protection and cleansing. It remains a classic example of a plant resin whose primary traditional value was external and commercial rather than as a daily internal tonic.
Summary
Dragon's blood is a red resin from the Southeast Asian rattan palm Calamus draco with a long traditional reputation as an astringent and vulnerary. It is distinct from other plants called by the same name. Laboratory research supports antioxidant and antimicrobial activity of its pigments, while clinical evidence remains limited. Educational information only.