Mitragyna speciosa
Mitragyna speciosa · Accepted scientific name
Scientific literature: Very Sparse (19 studies) · ★☆☆☆☆
Mitragyna speciosa, commonly known as Kratom, is a tropical plant primarily utilized for its psychoactive and medicinal properties. The leaves contain a complex profile of alkaloids, including mitragynine, 7-hydroxymitragynine, paynantheine, and speciociliatine. Through various preparations such as herbal drugs, raw leaves, or specialized 7-OHMG-enriched formulations, the plant serves multiple therapeutic roles. Its diverse biological activities allow it to function as an analgesic, stimulant, and antioxidant. Consequently, it is frequently explored as a way to manage conditions such as chronic pain, anxiety, and depression.
- Synonyms
- Nauclea Luzoniensis · Stephegyne Speciosa
- Common names
- Not available
- Family
- Rubiaceae
- Distribution
- Southern America
- Plant Parts
- Leaf
Classification
Common Names
Mitragyna speciosa is a botanical species widely recognized by several different names across various cultures. In many English-speaking regions, it is most commonly referred to simply as kratom. It is also frequently identified by the name siaminkratomi, reflecting its historical roots. In Thailand, the plant is known locally by its native name, กระท่อม. Understanding these various designations is essential for anyone studying the plant's diverse global identity.
Sources: Catalogue of Life (COL)
Synonyms
Mitragyna speciosa is a botanical subject that has been identified by several different scientific names throughout history. In various taxonomic records, the plant is recognized by its synonym Nauclea luzoniensis. It has also been formally classified under the name Nauclea speciosa in older literature. Furthermore, the species is associated with the synonym Stephegyne speciosa, reflecting its complex naming lineage. Understanding these various botanical synonyms is essential for accurate identification and research.
Sources: The World Checklist of Vascular Plants (WCVP)
Taxonomy
Mitragyna speciosa belongs to the vast kingdom Plantae, representing a diverse branch of the living world. Within this kingdom, the plant is classified under the class Equisetopsida, marking its place among the flowering plants. It further descends through the order Gentianales, a group known for many ecologically significant species. As a member of the genus Mitragyna, it shares close evolutionary ties with its botanical relatives. Ultimately, this plant is defined by its membership in the Rubiaceae family, which connects it to a wide array of other notable tropical shrubs and trees.
| Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Gentianales |
| Family | Rubiaceae |
| Genus | Mitragyna |
Sources: The World Checklist of Vascular Plants (WCVP)
Distribution
Geographic Regions
Mitragyna speciosa is widely distributed across the tropical regions of Asia, particularly throughout the Indo-China peninsula. This plant can be found growing naturally in several countries, including Cambodia, Myanmar, Thailand, and Vietnam. Its presence extends beyond the mainland, reaching into the lush landscapes of Malesia. Specifically, the species is well-established within the diverse ecosystems of Borneo. Together, these regions form the primary geographic range for this significant tropical plant.
Sources: The World Checklist of Vascular Plants (WCVP)
Identification
Morphology
Mitragyna speciosa is a self-supporting plant that adopts a distinct tree growth form. This species typically reaches a significant stature in its natural habitat. Depending on environmental conditions, its height can vary between a maximum of 20 m and 25 m. These physical characteristics define its presence within the forest canopy.
Sources: Global Inventory of Floras and Traits (GIFT)
Biological Activities
Mitragyna speciosa, commonly known as Kratom, is a Southeast Asian plant recognized for its complex and diverse pharmacological profile. The plant exhibits significant analgesic and stimulant activities, making it a traditional choice for pain relief and energy enhancement. Its primary alkaloids, such as mitragynine, are known to be psychoactive and possess narcotic qualities that interact with opioid receptors. Beyond these effects, the plant's chemical constituents also provide valuable antioxidant properties, which are being explored for cosmeceutical applications. Consequently, while it offers therapeutic potential, its potent biological effects have also led to increasing scrutiny regarding its safety and potential for misuse.
Compounds
Mitragyna speciosa, commonly known as kratom, is a Southeast Asian plant characterized by a complex profile of bioactive alkaloids. The principal alkaloid found within its leaves is mitragynine, which is primarily responsible for the plant's notable therapeutic and psychoactive effects. In addition to this major component, the plant contains several other significant compounds, including 7-hydroxymitragynine and paynantheine. Research also highlights the presence of secondary alkaloids such as corynantheidine and speciociliatine, which can vary in concentration based on leaf maturity and cultivation conditions. Together, these diverse chemical constituents contribute to the complex pharmacological properties that define this species.
Conditions
Mitragyna speciosa is widely utilized for its ability to treat pain through its various alkaloid compounds. Many individuals use the plant to manage chronic pain, often reporting substantial relief through self-management. Additionally, its pharmacological properties make it an effective option to treat opioid withdrawal and opioid use disorder. The plant is also frequently used to treat mood-related issues such as anxiety. Furthermore, Mitragyna speciosa serves as a medicinal tool to treat depression.
Preparations
Mitragyna speciosa is prepared as an herbal drug that is frequently misused due to its stimulant and euphoric effects. The plant is also prepared as leaves, which serve as a traditional ethnobotanical source of medicine and a rich source of bioactive alkaloids. Various specialized forms exist, such as when it is prepared as a 7-OHMG-enriched Kratom preparation for safety and genotoxicity assessments. Additionally, the plant is prepared as Kratom NPs, which are nanoparticle-based formulations used to enhance antioxidant and anti-aging properties. Ultimately, Mitragyna speciosa is prepared as a Kratom preparation in many different ways to exploit its diverse phytochemical profile.
Parts used
Mitragyna speciosa is a native Southeast Asian plant that has gained significant scientific interest due to its unique pharmacological properties. The leaves of this species serve as the primary reservoir for its most important bioactive compounds, particularly the principal alkaloid mitragynine. Research indicates that while mitragynine accumulation is highest in the leaves, it is notably absent in the plant's roots. The concentration of these alkaloids within the leaves can vary significantly depending on the age of the leaf and the specific cultivar being studied. Consequently, understanding the relationship between the leaf tissue and its alkaloid profile is essential for the development of standardized medicinal extracts.