Verbena officinalis
Verbena officinalis · Accepted scientific name
Scientific literature: Very Sparse (7 studies) · ★☆☆☆☆
Verbena officinalis is a versatile medicinal plant known for its diverse pharmacological activities, including antibacterial, antioxidant, and analgesic properties. Scientific investigations focusing on the dried aerial parts often utilize 80% methanol extracts obtained through a Soxhlet apparatus to study its therapeutic potential. The leaves contain a rich profile of bioactive chemicals, most notably flavonoids, iridoids, terpenoids, and lupulone A. Research has demonstrated its effectiveness against specific pathogens such as Escherichia coli and Staphylococcus aureus, while also highlighting its role as an aldose-reductase inhibitor. Additionally, while used in various decoctions, it is important to note its potential classification as an abortifacient.
- Synonyms
- Not available
- Common names
- Not available
- Family
- Verbenaceae
- Distribution
- Southern America
- Plant Parts
- Leaf
Classification
Common Names
Verbena officinalis is a versatile plant known by many diverse names across various cultures and traditions. It is widely recognized by the common name Vervena, providing a familiar starting point for identification. In certain linguistic contexts, it is referred to as Briw'r March or Cas-Gan-Gythraul. The plant also carries mystical or folkloric titles such as Derwen Fendigaid. Finally, it is sometimes called Derwen y Ddaear Ferfaen, reflecting the rich tapestry of names used to describe this species.
Sources: Catalogue of Life (COL)
Taxonomy
Verbena officinalis is a fascinating member of the kingdom Plantae. Within this vast botanical realm, it belongs to the class Equisetopsida. It is further classified under the order Lamiales, showcasing its specific evolutionary lineage. This plant is a prominent representative of the family Verbenaceae. Ultimately, its identity is defined by its placement within the genus Verbena.
| Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Lamiales |
| Family | Verbenaceae |
| Genus | Verbena |
Sources: The World Checklist of Vascular Plants (WCVP)
Distribution
Geographic Regions
Verbena officinalis exhibits a widespread distribution across various regions of the African continent. In East Tropical Africa, this plant is commonly found throughout Kenya, Tanzania, and Uganda. Beyond the mainland, its reach extends to the Macaronesian islands located in the Atlantic Ocean. Specifically, it can be identified growing within the unique ecosystems of the Azores and the Canary Islands. This diverse geographical range highlights the plant's ability to thrive in both continental and island environments.
Sources: The World Checklist of Vascular Plants (WCVP)
Identification
Morphology
Verbena officinalis is a versatile herb characterized by its sturdy, self-supporting growth form. This plant typically reaches a modest maximum height of approximately 1 meter. Depending on the specific environmental conditions, its stature can vary significantly across its range. Most specimens maintain a minimum height of at least 0.3 meters, though they often stabilize around 0.47 meters. This flexible height range allows the species to thrive in various natural landscapes.
Sources: Global Inventory of Floras and Traits (GIFT)
Biological Activities
Verbena officinalis is a traditionally important medicinal herb that possesses a diverse range of therapeutic properties. Research indicates that the plant exhibits significant antioxidant potential across various fractions and extraction methods. Furthermore, it demonstrates notable antimicrobial activity, making it a valuable subject in the search for new agents to combat pathogens. Studies have specifically highlighted its antibacterial effects against several bacterial isolates, including Staphylococcus aureus and Escherichia coli. These combined biological activities underscore the plant's potential for developing new therapeutic treatments and improving the efficacy of existing antibiotics.
Compounds
Verbena officinalis is a medicinal plant recognized for its diverse phytochemical profile and significant therapeutic potential. Research has identified that this species contains a variety of bioactive compounds, including flavonoids and iridoids. Specifically, detailed chemical analyses have confirmed that the plant contains 4'-Hydroxywogonin and hastatoside. Furthermore, recent studies have expanded our understanding of its composition by reporting the presence of lupulone A for the first time. These diverse constituents contribute to the plant's traditional use in treating various ailments through their antioxidant and anti-inflammatory properties.
Conditions
Verbena officinalis exhibits significant antibacterial properties by treating Escherichia coli and Staphylococcus aureus. Research further demonstrates that the plant serves as an effective agent to treat anti-inflammatory conditions. It is also recognized for its ability to treat oxidative stress through its potent antioxidant effects. Additionally, the plant provides therapeutic benefits as it helps to treat neuroprotective requirements in various biological studies.
Preparations
Verbena officinalis is prepared as 80% methanol extracts of the leaves to investigate its antibacterial activities against various bacterial isolates. The plant's aerial parts can also be prepared as a decoction or processed using a Soxhlet apparatus to optimize the extraction of phenolic compounds. Researchers have utilized the dried aerial part of Verbena officinalis to establish HPLC methods for determining ursolic acid levels. Additionally, the plant is prepared as ethanol extracts, which often contain higher concentrations of phenolic compounds and more potent antioxidant capacities.
Parts used
Verbena officinalis is a medicinal plant recognized for the significant therapeutic potential found within its leaf component. Scientific investigations have utilized methanol extracts from these leaves to demonstrate effective antibacterial activity against various pathogens, including Staphylococcus aureus and Escherichia coli. Beyond traditional extracts, the leaf can also serve as a biological agent for the synthesis of silver nanoparticles, which show promise in combating Gram-positive and Gram-negative bacteria. These leaf-derived substances are being integrated into advanced materials, such as poly(vinyl alcohol) films, to create functional biomaterials with antimicrobial properties. Ultimately, the specific chemical constituents of the Verbena officinalis leaf make it a valuable resource in the ongoing search for new antimicrobial agents.