Viola odorata
Viola odorata · Accepted scientific name
Scientific literature: Very Sparse (19 studies) · ★☆☆☆☆
Viola odorata is a versatile botanical species utilized in various medicinal preparations, including violet oil and aqueous or alcoholic extracts derived from its leaves, flowers, roots, and seeds. The plant contains significant bioactive chemicals such as coumarins, antioxidants, and specific compounds like cycloviolacin O2 and cycloviolacin O15. These constituents provide a wide range of therapeutic activities, including antipyretic, antibacterial, antihypertensive, and antimalarial properties. Research suggests its potential in addressing diverse health conditions, ranging from inflammation and insomnia to combating Escherichia coli and COVID-19. Consequently, this plant remains a subject of interest for its multifaceted pharmacological potential.
- Synonyms
- Viola Hirta Subsp. Odorata · Viola Hirta Var. Odorata
- Common names
- Not available
- Family
- Violaceae
- Distribution
- Africa
- Plant Parts
- Leaf · Flower
Classification
Common Names
Viola odorata is a fascinating species known by a diverse array of regional monikers. Within certain local traditions, it is frequently referred to by the common name Craith Unnos. The plant also holds the distinct titles of Crinllys and Crinllys Aroglys in various contexts. Further variations of its name include Crinllys Perarogl and the shortened Crinllys Pêr. These overlapping names highlight the rich linguistic heritage associated with this fragrant flower.
Sources: Catalogue of Life (COL)
Synonyms
Viola odorata is a botanical subject frequently identified through various taxonomic classifications in scientific literature. Within the complex world of plant nomenclature, this species is recognized by several formal synonyms. Specifically, it has been documented under the name Viola hirta subsp. odorata. Additionally, some botanical records categorize the plant as Viola hirta var. odorata. Understanding these overlapping designations is essential for accurate identification and consistent communication among researchers.
Sources: The World Checklist of Vascular Plants (WCVP)
Taxonomy
Viola odorata belongs to the diverse kingdom Plantae, representing a fundamental part of the botanical world. Within this vast group, the species is categorized under the class Equisetopsida. It further falls into the order Malpighiales, which connects it to a wide array of flowering plants. As a member of the family Violaceae, it shares distinct characteristics with its botanical relatives. Ultimately, this plant is defined by its placement within the genus Viola.
| Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Malpighiales |
| Family | Violaceae |
| Genus | Viola |
Sources: The World Checklist of Vascular Plants (WCVP)
Distribution
Geographic Regions
Viola odorata exhibits a broad and diverse geographical distribution that spans across several significant regions. The plant is widely found throughout Africa, including specific populations within Northern Africa such as Algeria and Morocco. Its presence extends into the Macaronesian islands, establishing roots in the Azores, Madeira, and the Canary Islands. This wide-ranging habitat allows the species to thrive in various distinct ecological niches across these territories. Ultimately, these connections highlight the extensive reach of the species across the African continent and its surrounding archipelagos.
Sources: The World Checklist of Vascular Plants (WCVP)
Identification
Morphology
Viola odorata is a self-supporting herb that thrives in various environments. This charming plant typically maintains a compact growth form, reaching a maximum height of 0.4 meters. Depending on its specific conditions, its stature can vary significantly, sometimes staying as low as 0.03 meters. More commonly, the plant establishes a presence with a height of approximately 0.19 meters. These varying dimensions allow it to integrate seamlessly into diverse garden landscapes.
Sources: Global Inventory of Floras and Traits (GIFT)
Biological Activities
Viola odorata is a versatile medicinal plant that has demonstrated a wide range of significant pharmacological activities across multiple studies. Research confirms its potent antipyretic effects, showing a capacity to reduce elevated temperatures comparable to standard drugs like paracetamol and aspirin. The plant also exhibits strong antibacterial properties, particularly against pathogens such as Pseudomonas aeruginosa, making it a promising candidate for natural antimicrobial development. Furthermore, studies have highlighted its antihypertensive potential, showing significant reductions in blood pressure in clinical trials. Beyond these uses, Viola odorata has shown promising results in fighting malarial parasites and exhibiting anticancer activity against specific cell lines, underscoring its immense therapeutic value.
Compounds
Viola odorata is a versatile flowering plant known for its rich profile of diverse chemical constituents. Research has identified that the species contains several potent cyclotides, specifically cycloviolacin O2 and cycloviolacin O15. Beyond these peptides, the plant is a significant source of various coumarins, including the specific compound esculetin. Phytochemical studies further reveal that the plant contains beneficial flavonoids such as quercetin and kaempferol. These combined biological properties make the plant a promising subject for developing new therapeutic agents against bacteria and inflammation.
Conditions
Viola odorata serves as a potential add-on therapy for patients suffering from COVID-19. The plant also demonstrates antibacterial properties, specifically showing effectiveness against Escherichia coli. Its bioactive extracts and isolated flavonoids provide significant anti-inflammatory effects to reduce inflammation. Additionally, violet oil derived from the plant is an effective herbal treatment for managing chronic insomnia.
Preparations
Viola odorata is prepared as Violet oil, an almond or sesame oil-based extract used traditionally for treating insomnia. The plant is also prepared as water and ethanol extracts, specifically showing antibacterial activity against P. aeruginosa. Researchers have also utilized alcoholic and hot water extracts of the species to measure melatonin content. Additionally, the plant is prepared as an aqueous extract for use in antipyretic herbal formulations. Finally, Viola odorata is prepared as aqueous extracts to study synergistic or antagonistic effects against Trichomonas vaginalis.
Parts used
Viola odorata is a commercially significant medicinal plant that contains various bioactive components distributed across its different anatomical structures. Research indicates that the plant possesses leaves and flowers that are rich in phytochemicals, providing significant antibacterial and anti-inflammatory properties. Furthermore, the root serves as a critical site for housing diverse endophytic bacteria with notable antimicrobial and antioxidant potential. The seeds of the species are also utilized in pharmacological studies, specifically for their ability to mitigate hepatic and vascular dysfunction. By utilizing these diverse parts, including the leaves, flowers, roots, and seeds, scientists continue to unlock the therapeutic potential of this versatile herb.