Uncaria macrophylla
What's the taxonomical classification of Uncaria macrophylla?
Uncaria macrophylla belongs to the kingdom Plantae and is classified under the phylum Streptophyta. Within the class Equisetopsida, it is situated in the subclass Magnoliidae and falls under the order Gentianaales. This plant is a member of the family Rubiaceae, specifically nested within the genus Uncaria, and is identified by the species name macrophylla.
| Taxonomic Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Gentianales |
| Family | Rubiaceae |
| Genus | Uncaria |
| Species | macrophylla |
What are the morphological characteristics of this plant?
Uncaria macrophylla has woody, climbing vines characterized by large, elliptical leaves, small yellowish flowers, and distinctive recurved woody spines located along the stem. These hooked thorns facilitate the plant's ability to scramble over other vegetation in its tropical rainforest habitat. The foliage consists of opposite, leathery leaves that provide a dense canopy for the climbing structure. Its inflorescence features small, fragrant blossoms that typically emerge in clusters. The plant also produces small, fleshy fruits that contain the seeds necessary for reproduction.
What is the geographical distribution of this plant?
This plant is native to the tropical rainforest regions of the Amazon basin, primarily distributed throughout Brazil, Peru, and Colombia. It thrives specifically in the humid, low-altitude canopy layers where moisture levels remain consistently high. Within these dense ecosystems, the species is often found climbing towards sunlight in various subtropical forest habitats. Its occurrence is closely tied to the specific soil compositions and rainfall patterns characteristic of the South American equatorial belt. Localized populations are frequently documented in areas where the vegetation provides significant structural support for its woody vines.
How is this plant cultivated?
This plant, Uncaria macrophylla, is a woody climbing vine native to the Amazon rainforest that requires high humidity, filtered sunlight, and nutrient-rich, well-draining tropical soil to thrive.
Growers must provide a sturdy trellis or support structure to accommodate its vigorous climbing habit. Maintaining consistent moisture levels without waterlogging the roots is essential for preventing fungal diseases. Because it originates in a rainforest ecosystem, the plant benefits significantly from regular misting to simulate its natural environment.
Successful cultivation often involves mimicking the dappled light of a forest canopy to avoid leaf scorch.
What parts of this plant are used medicinally?
This plant Uncaria macrophylla is used medicinally through its woody stems and leaves, which are harvested to extract active alkaloids. The bark covering the stem contains the highest concentration of oxindole alkaloids used in traditional and modern pharmacology. These parts are typically dried and prepared as decoctions or concentrated extracts to treat inflammation and boost immune function. Collectors focus on the mature stem to ensure they obtain a potent supply of the therapeutic compounds. This specific method of harvesting ensures that the medicinal properties of the vine are effectively utilized for healing.
According to a study published by "Journal of ethnopharmacology", the hook-bearing stem of Uncaria macrophylla is the primary constituent enrichment site. Since 2015 to the present, 107 newly marked chemical compositions have been identified from URCU, which includes Uncaria macrophylla Wall. These identified chemical compositions include alkaloids, terpenoids, flavonoids, and steroids. The total extracts and isolated phytoconstituent from this plant have demonstrated neuroprotective, antioxidant, anti-inflammatory, anticancer, antibacterial, and autophagy-enhancer properties. These pharmacological benefits are applied to diseases such as neurodegenerative diseases, cancer, cardiovascular diseases, diabetes, and migraine.
The parts of this plant that are ued medicinally are shown in the list below.
- stem
What traditional systems uses this plant?
This plant, Uncaria macrophylla, has been utilized in Traditional Chinese Medicine to address various inflammatory conditions and to bolster the immune system. Practitioners of these ancient systems often prepared decoctions from the vine to treat ailments such as arthritis and rheumatism. In addition to its use in Asia, various indigenous groups in South American regions have historically employed related species for their restorative properties. These traditional applications frequently focus on the plant's ability to promote healing and reduce bodily swelling. This long history of medicinal use laid the foundation for modern scientific investigations into its bioactive compounds.
According to a study published by "Journal of ethnopharmacology", Uncaria macrophylla is one of the species belonging to the genus Uncaria that is widely used in traditional remedies. These remedies were used widely in antiquity and were first compiled in the ancient masterpiece Mingyi Bielu written by Hongjing Tao. The hook-bearing stem of the plant serves as the primary constituent enrichment site for its chemical architectures. From 2015 to the present, 107 newly marked chemical compositions including alkaloids, terpenoids, flavonoids, and steroids have been identified from URCU. These components allow the plant to be used in both traditional and modern medicine for a variety of pharmacological effects.
The hystorical systems that uses this plant are shown in the list below.
- Traditional Chinese Medicine
What are the pharmacological activities of Uncaria macrophylla?
This plant has anti-inflammatory, antibacterial, anticancer, antioxidant, and antitumor pharmacological activities. Its chemical constituents work to neutralize harmful free radicals, which provides a strong antioxidant effect within biological systems. The plant also demonstrates significant antibacterial properties by inhibiting the growth of various pathogenic microorganisms. Furthermore, its bioactive compounds contribute to antitumor and anticancer effects by disrupting the progression of malignant cells. These diverse therapeutic actions make the species a subject of interest for developing new medicinal treatments.
According to a study published by "Journal of ethnopharmacology", Uncaria macrophylla is one of the species within the genus Uncaria used in Medical Uncariae Ramulus Cum Uncis. Modern pharmacological studies have shown that total extracts and isolated phytoconstituent from this group possess neuroprotective, antioxidant, anti-inflammatory, anticancer, antibacterial, and autophagy-enhancer properties. These pharmacological activities provide benefits in addressing diseases such as neurodegenerative diseases, cancer, cardiovascular diseases, diabetes, and migraine. Research indicates that these effects are due to anti-tumor and anti-viral properties as well. Between 2015 and the present, 107 newly marked chemical compositions including alkaloids, terpenoids, flavonoids, and steroids have been identified from URCU.
The primary pharmacological activities of this plant are shown in the list below.
- anti-inflammatory
- antibacterial
- anticancer
- antioxidant
- antitumor
What medicinal compounds this plant contains?
This plant contains a diverse range of medicinal indole alkaloids including corynooxine, corynooxine B, daucosterin, and isorhyncophylliine. These specific chemical constituents are primary components of the Uncaria macrophylla species. Researchers focus on these compounds due to their significant pharmacological activities in biological systems. The presence of such diverse alkaloids contributes to the complex therapeutic profile of the plant. Understanding these specific molecules helps clarify how the plant exerts its medicinal effects.
According to a study published by "Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica", Uncaria macrophylla is one of 5 species documented in the Chinese Pharmacopoeia as a raw material of Uncariae Ramulus Cum Uncis. The Uncaria genus contains 34 species all over the world, with 11 species and 1 variant present in China. Indole alkaloids serve as the characteristic constituents of Uncaria plants. In addition to these indole alkaloids, the plant contains triterpenes, lignans, and flavones.
The primary medicinal compounds of this plant are shown in the list below.
- Indole alkaloids
- corynoxine
- corynoxine B
- daucosterin
- isorhynchophylliine
What health conditions is this plant used for?
This plant is used for treating cancer, cardiovascular diseases, diabetes, neurodegenerative diseases, and various types of tumors. Its unique bioactive compounds help regulate glucose levels to manage diabetes effectively. Researchers also study its ability to protect the heart and improve blood vessel function in patients with cardiovascular diseases. Additionally, the plant exhibits potential in inhibiting the growth of a tumor and slowing the progression of cancer cells. Its neuroprotective properties are being investigated as a way to combat the symptoms of neurodegenerative diseases.
According to a study published by "Journal of ethnopharmacology", Uncaria macrophylla is one of the species within the Medical Uncariae Ramulus Cum Uncis used for various health conditions. Pharmacological studies have demonstrated that this plant provides benefits in diseases such as neurodegenerative diseases, cancer, cardiovascular diseases, diabetes, and migraine. These therapeutic effects are due to its neuroprotective, anti-inflammatory, antioxidant, anti-tumor, anti-bacterial and anti-viral properties. Since 2015 to present, 107 newly marked chemical compositions have been identified from URCU to support these functions.
The main health conditions this plant is used for are shown in the list below.
- cancer
- cardiovascular diseases
- diabetes
- neurodegenerative diseases
- tumor
What are the herbal preparations of this plant?
This plant is Uncaria macrophyllas, a species of cat's claw used to create medicinal herbal preparations such as Uncariae Ramulus Cum Uncis 90% alcohol-water extract. This specific extract is processed using a high-concentration solvent to isolate active alkaloids from the plant's stems and thorns. These preparations are traditionally utilized in herbal medicine to support immune function and reduce systemic inflammation. Practitioners often prescribe these standardized extracts to help manage various chronic conditions through their bioactive compounds. The potency of the final product depends heavily on the precise ratio of alcohol to water used during the extraction process.
According to a study published by "Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica", Uncaria macrophylla is one of 5 species documented in the Chinese Pharmacopoeia as a raw material for Uncariae Ramulus Cum Uncis. The Uncaria genus contains 34 species all over the world, and 11 species plus one variant are present in China. Indole alkaloids serve as the characteristic constituents of Uncaria plants, alongside triterpenes, lignans, and flavones. The study reviews the progress of indole alkaloids and their distribution within the 5 Uncaria species documented in the Chinese Pharmacopoeia.
The main herbal preparations of this plant are shown in the list below.
- Uncariae Ramulus Cum Uncis
- 90% alcohol-water extract
What side effects this plant can have?
This plant can cause decreased locomotor activity in subjects due to its potent pharmacological effects on the central nervous system. While often studied for its potential anti-inflammatory properties, its chemical constituents can impact physical movement and coordination. Some research indicates that high doses may lead to a noticeable reduction in overall physical agility and spontaneous motion. These physiological changes suggest that the plant's active alkaloids possess significant sedative or inhibitory qualities. Consequently, careful monitoring is necessary when investigating its impact on motor functions.
According to a study published by "Phytomedicine : international journal of phytotherapy and phytopharmacology", Uncaria macrophylla and its indole and oxindole alkaloid constituents were studied for their effect on locomotor response. Water extracts of Uncaria macrophylla significantly decreased locomotor activity after oral administration to mice. This effect was also observed with four specific indole alkaloids: corynoxine, corynoxine B, isorhynchophylline and geissoschizinne methyl ether. The depression of locomotor activity upon administration of these alkaloids appears to be due to mediating of the central dopaminergic system.
The main side effects this plant can have are shown in the list below.
- decreased locomotor activity
What herbs are paired with Uncaria macrophylla?
This plant, Uncaria macrophylla, is frequently paired with herbs like Ashwagandha, Turmeric, and Ginger to enhance its anti-inflammatory and immune-boosting properties.
Combining it with adaptogens such as Ashwagandha helps to balance the body's response to physical and mental stress. The addition of Turmeric and Ginger provides a synergistic effect that targets joint pain and systemic inflammation more effectively. These botanical combinations are often utilized in traditional wellness preparations to support overall vitality.
Practitioners also sometimes blend it with Holy Basil to promote a sense of calm and relaxation.