Grewia lasiocarpa
Grewia lasiocarpa · Accepted scientific name
Scientific literature: Very Sparse (2 studies) · ★☆☆☆☆
Grewia lasiocarpa is a significant plant species that has garnered scientific interest due to its diverse therapeutic potential. Research focusing on its leaves has led to the extraction of essential oils containing bioactive compounds such as 2-methylheptadecane, heptacosane, phytol, and farnesol. These chemical constituents contribute to the plant's notable antibacterial and antioxidant activities. Furthermore, recent studies have evaluated the biological impact of these preparations under specific conditions involving HeLa cells. Understanding these properties highlights the importance of this species in pharmacological exploration.
- Synonyms
- Not available
- Common names
- Not available
- Family
- Malvaceae
- Distribution
- Not available
- Plant Parts
- Leaf
Classification
Common Names
Grewia lasiocarpa is a versatile plant known by a diverse array of descriptive names across different regions. It is frequently referred to by the common names Forest Raisin and Forest Raisinbush. In some areas, locals may also identify the species as the Shaggy Raisin. Its cultural footprint is further highlighted by the South African names bos-rosyntjie and bosrosyntjie. These varied monikers reflect the plant's widespread presence and its unique characteristics in the wild.
Sources: Catalogue of Life (COL)
Taxonomy
Grewia lasiocarpa is a distinctive member of the kingdom Plantae. Within this vast biological realm, it is specifically classified under the class Equisetopsida. The species belongs to the order Malvales, which helps define its evolutionary lineage. It further resides within the family Malvaceae, sharing traits with many other flowering plants. Ultimately, this plant is identified by its placement within the genus Grewia.
| Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Malvales |
| Family | Malvaceae |
| Genus | Grewia |
Sources: The World Checklist of Vascular Plants (WCVP)
Distribution
Geographic Regions
Grewia lasiocarpa is a plant species with a specific geographic presence across the African continent. Within the Southern African region, it is most notably found throughout the Cape Provinces. Its habitat also extends significantly into the KwaZulu-Natal area. These diverse locations highlight the plant's ability to thrive in various environmental niches within these territories. Understanding such distribution patterns is essential for studying its ecological role in these specific African landscapes.
Sources: The World Checklist of Vascular Plants (WCVP)
Identification
Morphology
Grewia lasiocarpa is characterized by its distinct shrub growth form. This species exhibits an obligatory climbing habit, relying on other structures for support as it develops. Ultimately, the plant reaches a maximum height of approximately 5 meters.
Sources: Global Inventory of Floras and Traits (GIFT)
Biological Activities
Grewia lasiocarpa has demonstrated significant medicinal potential through the analysis of its essential oils extracted from fresh leaves and stem bark. Research indicates that these oils possess notable antibacterial activity, specifically against pathogens such as Escherichia coli, Pseudomonas aeruginosa, and Klebsiella pneumoniae. In addition to its antimicrobial properties, the plant was evaluated for its antioxidant activity and total phenolic content. While the studies noted specific levels of antioxidant capacity, the diverse chemical composition provides a foundation for understanding its biological effects. These findings suggest that the plant may serve as a valuable resource for future pharmaceutical and medicinal applications.
Compounds
Grewia lasiocarpa contains a diverse array of chemical compounds within its essential oils, as revealed by recent GC-MS and FTIR analyses. The leaves of this plant are notably rich in phytol and farnesol, which contribute to its unique chemical profile. Additionally, the presence of n-hexadecanoic acid plays a significant role in the composition of the leaf extracts. Research also highlights the existence of specific alkanes such as 2-methylheptadecane and heptacosane within the plant's chemical makeup. Together, these various components underscore the potential medicinal value of the species for future pharmaceutical exploration.
Conditions
Grewia lasiocarpa possesses essential oils that demonstrate antibacterial activity against Escherichia coli (ATCC 25922), Pseudomonas aeruginosa (ATCC 27853), and Klebsiella pneumoniae (ATCC 314588). The plant's leaf extracts also exhibit cytotoxic effects specifically targeting HeLa cells. Beyond these microbial and cellular interactions, the species utilizes glandular and non-glandular trichomes as a primary defense mechanism. These specialized structures allow the plant to effectively combat both biotic and abiotic stress. Together, these biological properties highlight the diverse medicinal and protective functions of the plant.
Preparations
Grewia lasiocarpa is prepared as an essential oil through a process of hydrodistillation. Researchers extracted these oils specifically from the plant's fresh leaves and stem bark to study their unique properties. The resulting essential oils contain major chemical compounds such as phytol, α-farnesene, and n-hexadecanoic acid. Analysis shows that these prepared oils possess antibacterial activities against various bacterial strains like Escherichia coli and Pseudomonas aeruginosa. Furthermore, the essential oil derived from the leaves has demonstrated cytotoxic effects against HeLa cells.
Parts used
Grewia lasiocarpa serves as a significant subject of study due to the diverse chemical properties found within its biological components. Research specifically focuses on the essential oils extracted from its fresh leaves to determine their unique chemical composition. Analysis reveals that these leaves contain major compounds such as phytol, α-farnesene, and n-hexadecanoic acid. Beyond their chemical makeup, the leaf extracts have demonstrated notable antibacterial activity against various bacterial strains. Furthermore, the essential oil from the leaves has shown specific cytotoxic effects against HeLa cells, highlighting its potential for medicinal exploration.