Margaritaria discoidea

Margaritaria discoidea · Accepted scientific name

Scientific literature: Very Sparse (3 studies) · ★☆☆☆☆

Margaritaria discoidea is a botanical species of significant pharmacological interest, particularly when utilizing its leaf in the form of decoctions. Scientific investigations have highlighted its diverse biological activities, which include antiplasmodial, cytotoxic, analgesic, and anthelmintic properties. The plant contains vital chemical compounds such as securinine, gallic acid, and viroallosecurinine that contribute to its therapeutic potential. Research suggests these extracts may play a role in addressing conditions such as epilepsy, inflammations, and infections caused by Escherichia coli and Enterococcus faecium. Consequently, this plant serves as a promising subject for developing new treatments for various medical ailments.

Quick facts
Synonyms
Cicca Discoidea · Diasperus Discoideus · 1 more
Common names
Not available
Family
Phyllanthaceae
Distribution
Not available
Plant Parts
Leaf

Classification

Common Names

Margaritaria discoidea is a versatile plant known by a variety of unique names across different regions. It is widely recognized by its English common names, such as the Common Pheasant-berry and the Narrow-Leaved Peacock-Bush. In other linguistic contexts, it is also referred to as the Fisantebessie. Local traditions further enrich its identity through names like Mjangari and Ncalassi. These diverse designations highlight the plant's widespread presence and cultural significance in various environments.

Sources: Catalogue of Life (COL)

Synonyms

Margaritaria discoidea is a botanical species that has been documented under several different taxonomic names throughout history. Researchers have frequently identified this plant using the synonym Cicca discoidea in various scientific records. Additionally, the species has been referred to in literature as Diasperus discoideus. It is also known by the synonym Phyllanthus discoideus, reflecting past shifts in classification. Understanding these various nomenclatural relationships is essential for accurate identification in botanical studies.

Sources: The World Checklist of Vascular Plants (WCVP)

Taxonomy

Margaritaria discoidea is a fascinating biological specimen that belongs to the vast kingdom Plantae. Within this diverse group, the species is classified under the class Equisetopsida. It is further organized into the order Malpighiales, showcasing its specific evolutionary lineage. This plant is a member of the genus Margaritaria, which helps scientists identify its unique characteristics. Finally, its taxonomic journey concludes within the family Phyllanthaceae, placing it among its closest botanical relatives.

Rank Classification
Kingdom Plantae
Phylum Streptophyta
Class Equisetopsida
Subclass Magnoliidae
Order Malpighiales
Family Phyllanthaceae
Genus Margaritaria

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

Geographic Regions

Margaritaria discoidea is a plant species with a documented presence across several key regions of the African continent. Its distribution primarily spans the East Tropical Africa region, including the countries of Kenya, Tanzania, and Uganda. Furthermore, the species extends into Northeast Tropical Africa, where it can be found within the borders of Ethiopia. Its range also reaches into the territories of Sudan and South Sudan, illustrating its adaptability to diverse habitats. Collectively, these locations highlight the specific geographical footprint this plant maintains throughout Eastern and Northeastern Africa.

Sources: The World Checklist of Vascular Plants (WCVP)

Identification

Morphology

Margaritaria discoidea is a distinctive tree species characterized by its robust, self-supporting growth form. Depending on its environment, this plant can vary significantly in scale, with some individuals reaching a modest height of just 1 meter. However, many specimens grow much larger, often spanning a minimum height of 18 meters. In optimal conditions, the tree can reach a staggering maximum height of approximately 30.48 meters. This wide range of stature highlights the remarkable adaptability of the species within its natural habitat.

Sources: Global Inventory of Floras and Traits (GIFT)

Biological Activities

Margaritaria discoidea is a versatile medicinal plant widely utilized throughout Africa for its diverse therapeutic properties. Research has demonstrated that aqueous extracts from its stem bark possess significant analgesic activities, effectively reducing pain and inflammation in various experimental models. Beyond pain management, the plant has also been evaluated for its antiplasmodial potential, offering a possible natural alternative in the fight against malaria. Furthermore, recent studies have uncovered potent cytotoxic effects against human ovarian cancer cell lines, particularly within its organic extracts. These combined pharmacological activities highlight the significant potential of Margaritaria discoidea for the development of future medicinal treatments.

Compounds

Margaritaria discoidea serves as a significant source of bioactive chemical compounds. Research indicates that this plant contains the alkaloid securinine, which contributes to its pharmacological profile. Additionally, the species is known to contain viroallosecurinine, another key constituent found within its leaves. These specific alkaloids have demonstrated notable antibacterial activities against various pathogens, including Staphylococcus aureus and Pseudomonas aeruginosa. Consequently, the presence of these substances helps validate the plant's traditional use in various therapeutic practices.

Conditions

Margaritaria discoidea demonstrates significant pharmacological potential by reducing licking time and frequency in rats treated with 2.5% formalin. The plant also exhibits potent cytotoxic effects against the A2780 human ovarian cancer cell line. Furthermore, its extracts show antibacterial activity by inhibiting the growth of Enterococcus faecium. The plant is also effective against Escherichia coli, as evidenced by the inhibitory action of its alkaloid components. Finally, Margaritaria discoidea treats Mycobacterium smegmatis by suppressing its growth through active compounds like securinine.

Preparations

Margaritaria discoidea is prepared as decoctions to investigate its potential medicinal properties. These plant-based decoctions were utilized in a study involving zebrafish larvae to test for anti-seizure effects. Specifically, the research involved incubating the larvae in these decoctions to observe their impact on seizure-induced locomotor activity. The study highlighted that the decoctions made from the male leaves of this species demonstrated significant anti-seizure activity during the primary screen. This method of preparation allowed researchers to provide pioneering scientific evidence for the traditional use of the plant in Malawi.

Parts used

Margaritaria discoidea, also referred to as Phyllanthus discoideus, contains leaves that possess significant medicinal properties. Research indicates that the lyophilized aqueous extract derived from these leaves exhibits notable antibacterial activity. Specifically, the alkaloid fraction from this extract has been shown to inhibit several pathogens, including Escherichia coli and Staphylococcus aureus. Among the identified compounds, viroallosecurinine and securinine stand out for their potent bactericidal effects. These scientific findings provide strong evidence supporting the traditional therapeutic uses of the plant's leaves.