Oncoba spinosa
Oncoba spinosa · Accepted scientific name
Scientific literature: Very Sparse (0 studies) · ★☆☆☆☆
Oncoba spinosa is a distinctive botanical species known for its significant chemical profile and medicinal potential. Research into this plant often focuses on the leaves, which serve as a primary source for various therapeutic compounds. Scientists utilize several methods to study its properties, including the use of crude extracts, defatted extracts, and general plant extracts. One of the key chemical constituents identified within these preparations is the compound known as Flacourtin. Understanding these specific leaf-derived elements is essential for exploring the plant's broader pharmacological applications.
- Synonyms
- Oncoba Spinosa Var. Angolensis · Lundia Monacantha · 1 more
- Common names
- Not available
- Family
- Salicaceae
- Distribution
- Not available
- Plant Parts
- Leaf
Classification
Common Names
Oncoba spinosa is a fascinating botanical species known by a wide variety of colorful regional names. It is frequently referred to as the African-Dogrose, reflecting its unique physical characteristics. Because of its distinctive blossoms, many people affectionately call it the Fried-Egg Bush or the Fried-egg flower. In certain locales, the plant is recognized by the name Muhuzu. It also carries the descriptive moniker Ovo-frito, highlighting the striking appearance of its blooms.
Sources: Catalogue of Life (COL)
Synonyms
Oncoba spinosa is a botanical species characterized by a complex history of taxonomic nomenclature. Within scientific literature, this plant is frequently identified by several synonymous names, including Lundia monacantha. It is also recognized under the synonym Oncoba monacantha, reflecting different historical classifications. Furthermore, the variety known as Oncoba spinosa var. angolensis is considered a synonym within its broader grouping. Understanding these various designations is essential for researchers tracking the plant's evolutionary lineage.
Sources: The World Checklist of Vascular Plants (WCVP)
Taxonomy
Oncoba spinosa is a fascinating member of the kingdom Plantae. This unique species belongs to the genus Oncoba and is classified under the family Salicaceae. Within the biological hierarchy, it is further categorized into the order Malpighiales. Finally, its botanical classification is completed by its placement in the class Equisetopsida.
| Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Malpighiales |
| Family | Salicaceae |
| Genus | Oncoba |
Sources: The World Checklist of Vascular Plants (WCVP)
Distribution
Geographic Regions
Oncoba spinosa is a notable botanical species widely distributed across the diverse landscapes of the African continent. Within East Tropical Africa, this plant establishes a significant presence in the nations of Kenya, Tanzania, and Uganda. Its reach extends further into the Northeast Tropical African region, where it can be found thriving in Chad. Additionally, the species maintains a documented distribution within the borders of Eritrea. This wide geographic range highlights the adaptability of the plant to various regional ecosystems across East and Northeast Africa.
Sources: The World Checklist of Vascular Plants (WCVP)
Identification
Morphology
Oncoba spinosa is a distinctive tree species characterized by its sturdy, self-supporting growth form. Depending on its environment, this plant can vary significantly in size, ranging from a modest height of 1.82 meters to a more substantial 9 meters. In optimal conditions, the species can reach an impressive maximum height of approximately 12.19 meters. This wide range of dimensions allows the plant to adapt to various structural roles within its native ecosystem. Ultimately, its robust architecture ensures it remains a stable presence in its habitat.
Sources: Global Inventory of Floras and Traits (GIFT)
Biological Activities
Compounds
Oncoba spinosa is an endangered medicinal plant that has recently undergone extensive profiling of its secondary metabolites. Through the extraction of its leaves using aqueous methanol and subsequent chromatographic processes, researchers successfully isolated a specific compound. This chemical constituent has been identified and elucidated as flacourtin. This finding represents the first time that flacourtin has been reported within the species. Furthermore, preliminary toxicity assays suggest that both the isolated flacourtin and the plant extracts are not cytotoxic, supporting the safety of its traditional medicinal uses.
Conditions
Oncoba spinosa was investigated to determine if its secondary metabolites possess any cytotoxic properties. Through the isolation of the compound flacourtin, researchers conducted a brine shrimp lethality test to evaluate potential toxicity. The results revealed that both the flacourtin and the plant extracts exhibited LD50 values of less than 1000 µg/mL. These preliminary assays specifically indicated that the substances were not cytotoxic. Consequently, the study suggests that the medicinal applications of the plant do not present a danger of cytotoxicity.
Preparations
Oncoba spinosa is prepared as leaves which are subsequently subjected to extraction with 95% aqueous methanol. This process results in the production of a crude extract that is further processed through partitioning with n-hexane. Following this partition, the plant is prepared as a defatted extract to facilitate extensive chromatographic analysis. Ultimately, the study evaluates the cytotoxicity potentials of the various plant extracts derived from the species.
Parts used
Oncoba spinosa is an endangered medicinal plant that has recently become the focus of scientific investigation regarding its secondary metabolites. Researchers specifically utilized the leaves of this species to conduct detailed chemical profiling and extraction processes. Through the use of aqueous methanol and chromatography, the compound flacourtin was successfully isolated from these plant parts. Preliminary cytotoxicity assays were performed on both the leaf extracts and the isolated flacourtin using brine shrimp lethality tests. The results suggest that these leaf-derived components are not cytotoxic, potentially validating the safety of the plant's traditional medicinal uses.