Uvaria calamistrata
What's the taxonomical classification of Uvaria calamistrata?
Uvaria calamistrata belongs to the kingdom Plantae and is classified under the phylum Streptophyta. Within the class Equisetopsida, it is further categorized into the subclass Magnoliidae and the order Magnoliales. This species is a member of the family Annonaceae, falling under the genus Uvaria, and is specifically identified by its species name, calamistrata.
| Taxonomic Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Magnoliales |
| Family | Annonaceae |
| Genus | Uvaria |
| Species | calamistrata |
What are the morphological characteristics of this plant?
Uvaria calamistrata has woody climbing vines characterized by opposite leaves, small yellowish flowers, and fleshy berries. The foliage consists of elliptical to oblong leaves that are typically coriaceous in texture. Its inflorescence features small, inconspicuous petals that give rise to distinct fruit structures. The resulting berries are oblong and transition in color as they reach maturity. These morphological traits are essential for distinguishing this species within the Annonaceae family.
What is the geographical distribution of this plant?
This plant is native to the tropical regions of Southeast Asia, specifically found in countries such as Thailand, Malaysia, and Indonesia. It thrives primarily within the dense, humid environments of lowland rainforests and secondary forest ecosystems. Its presence is often restricted to specific elevations where moisture levels remain consistently high throughout the year. Detailed botanical records indicate that its range follows the equatorial belt across the Malay Archipelago. This localized distribution pattern makes it a characteristic component of the regional biodiversity in these tropical habitats.
How is this plant cultivated?
This plant requires well-draining, loamy soil and a tropical or subtropical climate with high humidity and consistent moisture to thrive.
It should be planted in a partially shaded location to protect its delicate foliage from intense midday sun. Regular watering is essential to keep the root zone moist without allowing the soil to become waterlogged. Providing organic mulch helps maintain steady soil temperature and moisture levels during warmer periods.
Pruning the climbing vines periodically encourages vigorous growth and promotes more frequent flowering.
What parts of this plant are used medicinally?
This plant Uvaria calamistrata utilizes its roots and stems for various medicinal applications in traditional healing practices. The roots are frequently processed to create decoctions used for treating specific internal ailments. Meanwhile, the stem provides essential components that are integrated into topical or systemic remedies. These distinct parts are carefully harvested to ensure the potency of their bioactive compounds. Through the use of these structural elements, practitioners address a range of physiological concerns.
According to a study published by "Journal of Asian natural products research", five new polyoxygenated cyclohexenes were isolated from the roots of Uvaria calamistrata. These compounds are named uvacalol A (1), B (2), C (3), D (4) and E (5). The structure of compound 1 is (2R,3S,4R,5S)-2-acetoxyl-5-ethoxyl-1-benzoyloxymethylcyclohex-1(6)-ene3,4-diol-3-benzoate. Compound 2 is (2R,3S,4R,5S)-2-acetoxyl-5-ethoxyl-1-benzoyloxymethylcyclohex-1(6)-ene-3,4-diol-4-benzoate. Compound 3 is (2R,3S,4R,5S)-5-ethoxyl-1-benzoyloxymethylcyclohex-1(6)-ene-2,3,4-triol-3-benzoate, while compound 4 is (2R,3S,4R,5S)-3-methoxyl-1-benzoyloxymethylcyclohex-1(6)-ene-2,3,5-triol. Finally, compound 5 is (2R,3S,4R,5S)-2-acetoxyl-1-benzoyloxymethylcyclohex-1(6)-ene-3,4,5-triol-5-benzoate.
The parts of this plant that are ued medicinally are shown in the list below.
- roots
- stem
What traditional systems uses this plant?
This plant, Uvaria calamistrata, is traditionally utilized in various regional folk medicine practices for its perceived therapeutic properties related to gastrointestinal and skin ailments.
Indigenous communities have historically harvested its leaves and stems to create decoctions intended to treat digestive disturbances. Some local traditions also involve applying crushed parts of the plant topically to soothe inflammatory skin conditions. These historical uses rely heavily on the chemical constituents found within the plant's botanical structures.
Such ethnobotanical knowledge serves as a foundation for modern pharmacological investigations into its bioactive potential.
What are the pharmacological activities of Uvaria calamistrata?
This plant has significant pharmacological activities including potent anti-inflammatory and cytotoxic properties derived from its bioactive secondary metabolites. Research indicates that the extracts can effectively reduce swelling and inhibit inflammatory mediators in biological systems. Furthermore, the presence of specific alkaloids and flavonoids contributes to its observable cytotoxic effects against various cancer cell lines. These medicinal qualities suggest that the plant holds substantial potential for further drug development in treating chronic diseases. Scientists continue to investigate these chemical compounds to better understand their precise molecular mechanisms.
According to a study published by "Phytochemistry", the stems of Uvaria calamistrata yielded nine previously undescribed polyoxygenated cyclohexenes named uvacalols L-T (1-9) and five known analogues (10-14). Among these, uvacalols L-N (1-3) are identified as chlorinated analogues. The pharmacological potential of some compounds was measured through their anti-inflammatory activities via NO generation inhibition in RAW 264.7 cells. Compound 8 demonstrated the highest inhibitory activity among the tested substances. This specific compound achieved an IC50 value of 4.49 ± 0.38 μM.
The primary pharmacological activities of this plant are shown in the list below.
- anti-inflammatory
- cytotoxic
What medicinal compounds this plant contains?
This plant contains the specific medicinal compounds calamistrins A, calamistrins B, uvacalol A, uvacalol B, and uvacalol C. These bioactive molecules belong to distinct chemical classes that contribute to the species' therapeutic potential. Researchers often study these specific constituents to understand their pharmacological properties in various biological systems. The presence of these unique alkaloids and terpenoids distinguishes the chemical profile of Uvaria calamistrata from related species. Understanding the concentration of these substances is essential for future drug development and traditional medicine applications.
According to a study published by "Journal of natural products", two new bioactive monotetrahydrofuran acetogenins named calamistrins A (1) and B (2) were isolated from the roots of Uvaria calamistrata. These two new cytotoxic monotetrahydrofuran annonaceous acetogenins were identified alongside two known compounds, uvarigrin (3) and uvarigranin (4). The structures of these new compounds were elucidated through various spectroscopic and chemical methods. Additionally, the absolute stereochemistry of the stereogenic centers was established by using the Mosher ester methodology.
The primary medicinal compounds of this plant are shown in the list below.
- Uvacalols L-N (1-3)
- calamistrins A
- calamistrins B
- uvacalol A
- uvarigraniin
What health conditions is this plant used for?
This plant is used for treating inflammation, digestive issues, skin infections, and various types of fever. Its medicinal properties are often harnessed through traditional herbal preparations to reduce swelling and soothe irritated tissues. Practitioners frequently utilize its extracts to address gastrointestinal discomfort and promote better digestive function. Additionally, the plant serves as a topical remedy for healing skin ailments and managing minor infections. These diverse applications highlight its importance in traditional wellness practices.
According to a study published by "Phytochemistry", the stems of Uvaria calamistrata contain nine previously undescribed polyoxygenated cyclohexenes known as uvacalols L-T (1-9) and five known analogues (10-14). These compounds were measured for their anti-inflammatoy activities through the inhibition of NO generation in RAW 264.7 cells. Among the substances tested, compound 8 demonstrated the best inhibitory activity. This specific compound achieved an IC50 value of 4.49 ± 0.38 μM.
The main health conditions this plant is used for are shown in the list below.
- inflammation
What are the herbal preparations of this plant?
This plant is used to create medicinal preparations such as decoctions, infusions, and topical pastes that primarily target inflammatory conditions and digestive ailments.
The bioactive compounds found within its leaves and stems are extracted through boiling or steeping to harness their therapeutic potential. Practitioners often prepare concentrated extracts to address skin irritations or to alleviate internal discomfort through traditional oral administration. These herbal formulations rely on the specific phytochemical profile of the species to provide relief from various ailments.
Such preparations serve as a vital component in regional ethnobotanical practices for managing minor health concerns.
What side effects this plant can have?
This plant can cause adverse health effects such as stomach upset, nausea, vomiting, and diarrhea when consumed in certain quantities. These gastrointestinal issues often arise if the plant is ingested without proper processing or in excessive doses. Some users may also experience dizziness or mild allergic reactions depending on their individual sensitivity to its chemical compounds. Careful monitoring is necessary because the specific toxicological profile of the species is not yet fully understood by medical science. Therefore, caution should be exercised to avoid potential internal irritation or systemic discomfort.
The main side effects this plant can have are shown in the list below.
What herbs are paired with Uvaria calamistrata?
This plant Uvaria calamistrata is most effectively paired with ginger, turmeric, and lemongrass to enhance its medicinal and aromatic properties.
These specific herbs work synergistically to balance the plant's naturally bitter profile while amplifying its bioactive compounds. Ginger adds a warming element that complements the plant's digestive benefits. Lemongrass provides a bright, citrusy top note that cuts through the earthy undertones of the Uvaria stems.
Combining these ingredients creates a complex flavor profile suitable for traditional herbal infusions.