Pelargonium graveolens
Pelargonium graveolens · Accepted scientific name
Scientific literature: Very Sparse (18 studies) · ★☆☆☆☆
Pelargonium graveolens is a versatile plant species primarily valued for the essential oils extracted from its leaves and stems. These oils are rich in key chemical compounds such as citronellol, geraniol, citronellyl formate, and 3-carene. Due to these constituents, the plant exhibits significant biological activities, including antioxidant, antibacterial, antimicrobial, and antifungal properties. Research indicates that its extracts can effectively address conditions related to lipase, tyrosinase, and the biological processes of aging. Consequently, this plant serves as a potent natural resource for various therapeutic and cosmetic applications.
- Synonyms
- Hoarea Intermixta · Pelargonium Citrosum · 3 more
- Common names
- Not available
- Family
- Geraniaceae
- Distribution
- Not available
- Plant Parts
- Leaf · Stem
Classification
Common Names
Pelargonium graveolens is a fragrant plant recognized by a diverse array of regional names across the globe. In German-speaking areas, it is affectionately known as the Duft-Pelargonie, while Spanish speakers refer to it as Malvarrosa de olor. Its aromatic qualities are also celebrated in France, where it is called Géranium-rose, and in Turkey as Gül Kokulu Sardunya. Some may also identify it by its descriptive Spanish common name, Geranio sudafricano de olor. Finally, in various Balkan regions, the species is recognized as Malonioji pelargonija.
Sources: Catalogue of Life (COL)
Synonyms
Pelargonium graveolens is a botanical species known to be associated with a diverse range of scientific synonyms. Throughout various taxonomical studies, it has been identified under the name Geranium asperum. It is also frequently referred to in literature as Geranium graveolens or Hoarea intermixta. Additionally, the plant is linked to the names Pelargonium citrosum and Pelargonium terebinthinaceum. Understanding these various designations is essential for accurate identification within the complex world of plant classification.
Sources: The World Checklist of Vascular Plants (WCVP)
Taxonomy
Pelargonium graveolens belongs to the vast kingdom Plantae, encompassing a diverse array of living vegetation. Within this kingdom, it is classified under the class Equisetopsida, highlighting its fundamental botanical structure. The plant is further organized into the order Geraniales, which helps define its evolutionary lineage. It resides specifically within the family Geraniaceae, a group known for its distinct floral characteristics. Finally, its botanical identity is completed by its placement in the genus Pelargonium.
| Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Geraniales |
| Family | Geraniaceae |
| Genus | Pelargonium |
Sources: The World Checklist of Vascular Plants (WCVP)
Distribution
Geographic Regions
Pelargonium graveolens is a versatile plant with a geographic range that spans several continents and diverse climates. Its primary distribution is centered throughout Africa, reaching into regions such as South Tropical Africa, Zimbabwe, and the various provinces of Southern Africa. Beyond the mainland, the species can also be found within the Macaronesia archipelago and the Canary Islands. Interestingly, its presence extends into Europe, specifically within the unique landscape of Sicilia in Southeastern Europe. This wide-reaching habitat demonstrates the plant's remarkable ability to adapt to various environmental conditions.
Sources: The World Checklist of Vascular Plants (WCVP)
Identification
Morphology
Pelargonium graveolens typically presents as a sturdy, self-supporting shrub. This plant maintains a structured growth form that allows it to stand upright without external assistance. Depending on its environment, it generally reaches a minimum height of 0.6 meters. As it matures, the shrub may grow to a minimum of 1.2 meters in height. Ultimately, the plant can reach a maximum height of approximately 1.3 meters.
Sources: Global Inventory of Floras and Traits (GIFT)
Biological Activities
Pelargonium graveolens exhibits a diverse range of biological activities that highlight its significant therapeutic potential. Research demonstrates that its extracts possess strong antioxidant properties, effectively scavenging various free radicals. The plant also displays potent antimicrobial capabilities, specifically through marked antibacterial and antifungal activities against various pathogenic microorganisms. Furthermore, the species has shown promising antidiabetic effects by inhibiting key enzymes such as α-amylase and α-glucosidase. These combined characteristics suggest that rose geranium is a valuable resource for future pharmaceutical and nutraceutical applications.
Compounds
Pelargonium graveolens is a medicinal plant recognized for its diverse chemical profile, most notably containing high concentrations of citronellol and geraniol. Detailed GC-MS analyses of its essential oil also reveal the presence of citronellyl formate and 6-octen-1-ol. Furthermore, research into the plant's volatile compounds has identified 3-carene as a constituent across various phenological stages. These specific chemical markers contribute to the plant's significant antioxidant, antimicrobial, and anti-inflammatory properties. Consequently, the unique composition of Pelargonium graveolens makes it a valuable resource for both the food and pharmaceutical industries.
Conditions
Pelargonium graveolens exhibits significant biological activities, including strong antibacterial effects against various microorganisms like Staphylococcus aureus. The plant also serves as a potent antioxidant, effectively scavenging free radicals through multiple assay methods. Its extracts demonstrate the ability to treat metabolic concerns by inhibiting the enzymes lipase and α-amylase. Additionally, the plant shows an inhibitory effect on tyrosinase, contributing to its potential anti-aging applications. These diverse enzymatic and antimicrobial properties highlight the medicinal value of the species.
Preparations
Pelargonium graveolens is prepared as essential oil, essential oils, and EO for various medicinal and industrial applications. Research demonstrates that it is prepared as essential oil to investigate its antimicrobial potential against pathogens like Staphylococcus aureus. The plant is also prepared as essential oils through hydrodistillation at different phenological stages to evaluate its antioxidant and antidiabetic effects. Furthermore, Pelargonium graveolens is prepared as EO to be used in nanoemulsions and herbal creams for treating pain, inflammation, and skin wound infections. Finally, the plant is prepared as aqueous extracts to assess its anti-aging potential by inhibiting enzymes like tyrosinase and elastase.
Parts used
Pelargonium graveolens is a versatile medicinal plant that contains various anatomical parts utilized for diverse therapeutic purposes. Research highlights that the leaves of the species are particularly significant, serving as a primary source for aqueous and methanol-aqueous extracts used to manage diabetes and provide antioxidant benefits. Beyond the foliage, the plant also includes the stem as a functional component in various biological studies. Investigations into the plant's essential oils have specifically examined the antioxidant properties found in the buds, stems, and leaves. This structural variety ensures that different parts of Pelargonium graveolens can be effectively integrated into pharmaceutical and nutraceutical applications.