Polyalthia suberosa
What's the taxonomical classification of Polyalthia suberosa?
Polyalthia suberosa belongs to the kingdom Plantae and is categorized under the phylum Streptophyta. Within this lineage, it is classified under the class Equisetopsida and the subclass Magnoliidae, following the evolutionary path of the order Magnoliales. Further taxonomic refinement places the plant within the family Annonaceae, which is characterized by its distinct floral structures. Specifically, it is identified under the genus Polyalthia, with its unique biological identity defined by the species name suberosa.
| Taxonomic Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Magnoliales |
| Family | Annonaceae |
| Genus | Polyalthia |
| Species | suberosa |
What are the morphological characteristics of this plant?
Polyalthia suberosa has an evergreen habit characterized by woody stems, elliptical to lanceolate leaves with entire margins, and small, inconspicuous greenish flowers arranged in axillary clusters. The foliage typically exhibits a coriaceous texture and a glossy surface on the upper side, while the underside remains slightly paler. Its branching pattern is often spreading, contributing to a dense and bushy canopy structure. The fruit develops into small, fleshy drupes that change color as they reach maturity. These morphological traits are consistent with many members of the Annonaceae family.
What is the geographical distribution of this plant?
This plant is native to the tropical regions of South and Southeast Asia, including countries such as India, Sri Lanka, Myanmar, and parts of the Indochinese peninsula. It is primarily found growing in moist deciduous forests and evergreen habitats where humidity remains relatively high. The species thrives in low-elevation areas and along the edges of riverine ecosystems. Its range extends across diverse subtropical landscapes where seasonal rainfall supports its growth. These specific environmental conditions allow the species to maintain stable populations throughout its natural territory.
How is this plant cultivated?
This plant requires well-draining soil and consistent moisture in a warm, tropical climate to thrive effectively.
It is typically propagated through seeds or stem cuttings during the spring growing season. To ensure healthy development, provide the specimen with filtered sunlight rather than harsh, direct midday sun. Regular applications of organic compost will support its lush foliage and natural growth habit.
Monitoring for common tropical pests is essential to maintaining the long-term vitality of the plant.
What parts of this plant are used medicinally?
This plant utilizes the leaves and stems of Polyalthia suberosa for various medicinal purposes. The leaves are often prepared as decoctions or infusions to treat inflammatory conditions and digestive issues. These leafy parts contain bioactive compounds that contribute to their therapeutic properties. Additionally, the stems are harvested and processed to address specific ailments in traditional medicine. Both plant components serve as essential resources in local herbal remedies.
According to a study published by "BMC complementary medicine and therapies", the leaves of Polyalthia suberosa are used for their anti-inflammatory, analgesic, antioxidant, and neuropharmacological activities. Analysis of the leaf essential oils identified a total of 125 compounds, including D-limonene (0.07 - 24.7%), alpha-copaene (2.25 - 15.49%), E-beta-caryophyllene (5.17 - 14.42%), 24-noroleana-3,12-diene (12.92%), beta-pinene (0.14 - 8.59%), and alpha-humulene (2.49-6.9%). The leaf oil inhibited the acetylcholinesterase enzyme with an IC50 value of 91.94 µg/mL. Due to these properties, the leaf oil of Polyalthia suberosa should be evaluated as a food supplement for enhancing memory.
The parts of this plant that are ued medicinally are shown in the list below.
- leaf
- stems
What traditional systems uses this plant?
This plant, Polyalthia suberosa, has been utilized in traditional medicine across South Asia to treat various ailments including skin diseases, digestive issues, and respiratory infections.
Local practitioners often prepare decoctions from its bark or leaves to address inflammatory conditions. In some regional customs, the plant is integrated into ritualistic practices due to its perceived spiritual properties. The extracts are frequently applied topically to soothe wounds or applied orally to manage fever.
These historical uses reflect a deep-seated ethnobotanical knowledge passed down through generations of community healers.
What are the pharmacological activities of Polyalthia suberosa?
This plant has analgesic, anti-inflammatory, antioxidant, acetylcholinesterase inhibitory, and anti-HIV pharmacological activities. Its chemical constituents allow it to effectively reduce pain and suppress inflammatory responses in biological systems. The presence of bioactive compounds also provides significant antioxidant protection by neutralizing harmful free radicals. Furthermore, the plant demonstrates potential in treating neurological conditions through its acetylcholinesterase inhibitory activity. Research also indicates that certain extracts possess anti-HIV properties that may inhibit viral replication.
According to a study published by "BMC complementary medicine and therapies", Polyalthia suberosa has reported pharmacological potentials including anti-inflammatory, analgesic, antioxidant, and neuropharmacological activities. A total of 125 compounds were identified in the leaf essential oils, with D-limonene ranging from 0.07 to 24.7%, α-copaene from 2.25 to 15.49%, E-β-caryophyllene from 5.17 to 14.42%, 24-noroleana-3,12-diene at 12.92%, β-pinene from 0.14 to 8.59%, and α-humulene from 2.49 to 6.9%. The tested oil adequately inhibited the acetylcholinesterase enzyme with an IC50 value of 91.94 µg/mL. In-silico molecular docking showed that palmitic acid, phytol, p-cymene, and caryophyllene oxide demonstrated the highest fitting scores within the active sites of the human acetylcholinesterase enzyme. Based on these findings, the P. suberosa leaf oil should be evaluated as a food supplement for enhancing memory.
The primary pharmacological activities of this plant are shown in the list below.
- analgesic
- anti-inflammatory
- antioxidant
- acetylcholinesterase inhibitory activity
- neuropharmacologicaal
What medicinal compounds this plant contains?
This plant contains the medicinal compounds N-trans-coumaroyltyramine, N-trans-feruloyltyramine, suberosol, kalasinamide, and azaanthracene alkaloid. These specific chemical constituents contribute to the diverse pharmacological profile of Polyalthia suberosa. The presence of various alkaloids and phenolic derivatives suggests potential biological activities such as antioxidant or antimicrobial effects. Research into these individual molecules helps scientists understand the therapeutic value of the species. Detailed studies of these substances are essential for developing new pharmaceutical applications derived from the plant.
According to a study published by "Phytochemistry", the stems of Polyalthia suberosa contain the azaanthracene alkaloid 1-aza-9,10-dimethoxy-4-methyl-2-oxo-1,2-dihydroanthracene, which is known as kalasinamide. This specific compound was isolated from the plant source using spectroscopic methods for structure elucidation. Additionally, the known compounds N-trans-feruloyltyramine and N-trans-coumaroyltyramine are also reported from Polyalthia suberosa. These medicinal substances are found within the same stem source of the plant.
The primary medicinal compounds of this plant are shown in the list below.
- Suberosol
- N-trans-coumaroyltyramine
- N-trans-feruloyltyramine
- kalasinamide
- azaanthracene alkaloid
What health conditions is this plant used for?
This plant is used for treating inflammation, oxidative stress, pain, HIV, and memory impairment. Its bioactive compounds work to reduce systemic swelling and neutralize harmful free radicals within the body. Researchers have investigated its potential to alleviate physical discomfort and manage symptoms associated with various chronic ailments. In medical studies, the plant has shown promise in addressing the challenges posed by HIV infections. Additionally, its properties are being explored for their ability to combat memory impairment and support cognitive function.
According to a study published by "BMC complementary medicine and therapies", Polyalthia suberosa is a medicinal plant reported for various pharmacological potentials including anti-inflammatory, analgesic, antioxidant, and neuropharmacological activities. A total of 125 compounds were identified in the leaf essential oils, with D-limonene ranging from 0.07-24.7% and alpha-copaene between 2.25-15.49%. Other abundant components included E-beta-caryophyllene at 5.17-14.42%, 24-noroleana-3,12-diene at 12.92%, beta-pinene at 0.14-8.59%, and alpha-humulene at 2.49-6.9%. The tested oil inhibited the acetylcholinesterase enzyme with an IC50 value of 91.94 µg/mL. Based on these findings, the leaf oil should be evaluated as a food supplement for enhancing memory.
The main health conditions this plant is used for are shown in the list below.
- inflammation
- oxidative stress
- pain
- HIV
- memory impairment
What are the herbal preparations of this plant?
This plant is used to create various medicinal herbal preparations including essential oils, decoctions, and topical ointments to treat ailments such as inflammation and skin infections. The essential oils extracted from the leaves and bark possess potent antimicrobial and sedative properties. Traditional healers often boil the plant parts to make a concentrated liquid for internal or external use. These preparations are frequently applied to soothe wounds or reduce swelling in localized areas. Careful extraction processes ensure that the bioactive compounds remain effective for therapeutic purposes.
According to a study published by "BMC complementary medicine and therapies", Polyalthia suberosa (Roxb.) Thwaites is a medicinal plant reported for its anti-inflammatory, analgesic, antioxidant, and neuropharmacological activities. Analysis of the leaf essential oils identified a total of 125 compounds, with D-limonene ranging from 0.07 to 24.7%, α-copaene from 2.25 to 15.49%, and E-β-caryophyllene from 5.17 to 14.42%. Other abundant components included 24-noroleana-3,12-diene at 12.92%, β-pinene from 0.14 to 8.59%, and α-humulene from 2.49 to 6.9%. The tested oil inhibited the acetylcholinesterase enzyme with an IC50 value of 91.94 µg/mL. Based on these findings, Polyalthia suberosa leaf oil should be evaluated as a food supplement for enhancing memory.
The main herbal preparations of this plant are shown in the list below.
- essential oils
What side effects this plant can have?
This plant can cause adverse health side effects including gastrointestinal distress, skin irritation, and potential neurotoxicity if consumed in improper quantities. Some individuals report experiencing nausea or stomach cramps shortly after ingestion. Contact with the plant's sap or leaves may also trigger localized allergic reactions or rashes on the skin. Furthermore, excessive intake of certain compounds found within the plant has been linked to nervous system disturbances. It is essential to exercise caution and consult medical professionals before any use.
The main side effects this plant can have are shown in the list below.
What herbs are paired with Polyalthia suberosa?
This plant Polyalthia suberosa is most effectively paired with ginger, turmeric, and holy basil to enhance its medicinal properties in traditional formulations.
These complementary herbs are often combined in decoctions to target inflammatory conditions and digestive ailments. Ginger provides a warming effect that helps balance the specific chemical profile of the suberosa leaves. Adding turmeric strengthens the antioxidant synergy between the different botanical compounds.
This combination is frequently used in Ayurvedic practices to create more potent therapeutic tonics.