Harungana madagascariensis
Harungana madagascariensis · Accepted scientific name
Scientific literature: Very Sparse (8 studies) · ★☆☆☆☆
Harungana madagascariensis is a versatile medicinal plant known for its diverse therapeutic activities, including antimalarial, antimicrobial, antioxidant, and antiplasmodial properties. Various parts of the plant, such as the stem, leaf, and root, serve as rich sources of bioactive chemical compounds like flavonoids, saponins, tannins, and anthraquinones. Research has demonstrated its efficacy in combating conditions such as malaria and bacterial infections caused by Escherichia coli and Staphylococcus aureus, as well as its impact on 15-Lipoxygenase. These medicinal benefits are often derived from different preparations, ranging from aqueous extracts and stem bark to the specific hexane fraction of the plant. Consequently, this species remains a significant subject of pharmacological interest due to its complex chemical profile and wide-ranging health applications.
- Synonyms
- Harungana Pubescens · Harungana Robynsii · 10 more
- Common names
- Not available
- Family
- Hypericaceae
- Distribution
- Not available
- Plant Parts
- Stem · Leaf
Classification
Common Names
Harungana madagascariensis is a versatile botanical species known by a diverse array of regional and international names. In various local contexts, it is frequently referred to as Mbura or bois harongue. The plant also carries the evocative common name Drachenblutbaum, which translates to its English counterpart, the dragon's-blood-tree. Furthermore, it is recognized in certain linguistic traditions as harungana madagaskarská. These many identities highlight the widespread recognition and cultural significance of this unique tree.
Sources: Catalogue of Life (COL)
Synonyms
Harungana madagascariensis is a botanical species that has been documented under several different scientific names throughout history. Taxonomists have frequently used the synonym Haemocarpus paniculatus to refer to this particular plant. It is also commonly identified in various records as Haronga madagascariensis or Haronga ovata. Furthermore, specific variations such as Haronga paniculata and Haronga madagascariensis var. pubescens are recognized within its synonymy. Understanding these overlapping names is essential for researchers navigating the complex nomenclature of this species.
Sources: The World Checklist of Vascular Plants (WCVP)
Taxonomy
Harungana madagascariensis is a distinctive member of the kingdom Plantae. Within this vast biological group, it belongs to the class Equisetopsida. It is further categorized under the order Malpighiales, showcasing its complex evolutionary lineage. As part of the genus Harungana, it occupies a specific niche in botanical classification. Finally, this species is nested within the family Hypericaceae, rounding out its complete scientific profile.
| Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Malpighiales |
| Family | Hypericaceae |
| Genus | Harungana |
Sources: The World Checklist of Vascular Plants (WCVP)
Distribution
Geographic Regions
Harungana madagascariensis is a notable plant species with a broad distribution across the African continent. It is widely established throughout East Tropical Africa, specifically appearing in the landscapes of Kenya, Tanzania, and Uganda. Moving toward the northern regions, the species also finds a home in Northeast Tropical Africa. Within this area, it can be found growing in Chad as well as throughout Sudan and South Sudan. This diverse range highlights the plant's ability to thrive in various tropical environments across the continent.
Sources: The World Checklist of Vascular Plants (WCVP)
Identification
Morphology
Harungana madagascariensis is a distinguished tree species characterized by its robust and self-supporting growth form. This plant is known for its significant stature, typically reaching a minimum height of 3 meters in various environments. In many instances, it can grow even larger, with heights often exceeding a minimum of 13.75 meters. Such impressive dimensions allow it to stand prominently within its natural habitat.
Sources: Global Inventory of Floras and Traits (GIFT)
Biological Activities
Harungana madagascariensis is a versatile medicinal plant recognized for its diverse range of therapeutic activities across various scientific studies. Research confirms that this species possesses significant antimalarial and antiplasmodial properties, making it a vital component in traditional treatments for malaria. Beyond its efficacy against parasites, the plant exhibits strong antimicrobial activity, effectively targeting various bacterial strains such as Staphylococcus aureus and Escherichia coli. Furthermore, it provides notable antioxidant benefits, which help protect cells from oxidative stress and support skin health. These combined biological functions underscore the significant pharmacological potential of the plant in both traditional medicine and modern drug development.
Compounds
Harungana madagascariensis is a medicinal plant known for its rich and diverse phytochemical profile. Scientific analyses have confirmed that the plant contains several important bioactive compounds, including flavonoids, tannins, saponins, and glycosides. Beyond these broad classes, specific research has also identified the presence of the specialized compound harunganin within its extracts. These diverse chemical constituents contribute to the plant's significant therapeutic potential in traditional medicine. Consequently, the presence of such various substances supports its use for antioxidant, antibacterial, and anti-inflammatory purposes.
Conditions
Harungana madagascariensis demonstrates significant therapeutic potential through its ability to treat malaria, with aqueous bark extracts showing strong antiplasmodial activity. The plant is also recognized for its effectiveness in treating anaemia and its high antioxidant capacity. Furthermore, Harungana madagascariensis acts as a potent antibacterial agent capable of treating Escherichia coli. Research also confirms its efficacy in treating Staphylococcus aureus, specifically through the use of hot leaf extracts or methanol-extracted bark.
Preparations
Harungana madagascariensis is prepared as stem bark to isolate specific compounds like kenganthranols and to test its efficacy against ESKAPE pathogens. The plant is also prepared as various extracts, including those used to evaluate antioxidant potential and antiamoebic activities. Research has specifically utilized the hexane fraction of HM to identify bioactive constituents like harunganin and to demonstrate anti-aging and anti-inflammatory effects. Additionally, the species is prepared as aqueous extracts, though these may show negative results for certain glycosides. Finally, Harungana madagascariensis is prepared as aqueous and ethanolic extracts to study antisickling activities and the stability of anthocyanins under light exposure.
Parts used
Harungana madagascariensis is a versatile medicinal plant that contains various bioactive components located throughout its different structures. Research highlights that the stem, specifically the stem bark, serves as a rich source of anthranols and anthraquinones with significant alpha-glucosidase inhibitory and antibacterial properties. The leaves are also highly valuable, containing glycosides, tannins, and flavonoids that provide effective antimicrobial activity against several bacterial strains. Furthermore, the roots are utilized in pharmacological studies to determine the optimal conditions for extracting the plant's therapeutic compounds. Together, these diverse parts contribute to the plant's extensive traditional and scientific use in treating various infections and metabolic disorders.