Prunella vulgaris

Prunella vulgaris · Accepted scientific name

Scientific literature: Very Sparse (10 studies) · ★☆☆☆☆

Prunella vulgaris is a versatile plant utilized in various preparations, including aqueous extracts, distillation extracts, and as a traditional Chinese herb. Every part of the plant, from the leaves and flowers to the roots and seeds, contains bioactive compounds like rosmarinic acid, caffeic acid, and hyperoside. These chemical constituents provide significant therapeutic activities, such as antioxidant, antiestrogenic, antifibrotic, and antiviral properties. Due to these characteristics, the plant is studied for its potential to address conditions ranging from goiter to HSV-1 infections. This multifaceted botanical resource continues to be a subject of interest for its complex medicinal profile.

Quick facts
Synonyms
Not available
Common names
Not available
Family
Lamiaceae
Distribution
Not available
Plant Parts
Leaf · Root

Classification

Common Names

Prunella vulgaris is a versatile plant known by a wide variety of regional names across different languages and cultures. In some areas, it is affectionately referred to by its common name, Adi Boğazotu. Moving through different linguistic landscapes, one might encounter it called Almindelig brunelle or Blákolla. It also carries the specific designations of Bretónica and Brunel in certain contexts. These diverse names highlight the widespread recognition and botanical significance of this species throughout the world.

Sources: Catalogue of Life (COL)

Taxonomy

Prunella vulgaris is a fascinating member of the kingdom Plantae that displays a complex botanical hierarchy. This species belongs to the class Equisetopsida and is classified within the order Lamiales. Further narrowing its biological identity, it is a prominent representative of the Lamiaceae family. Within this group, it is defined by its specific genus, Prunella. Understanding these relationships provides essential insight into the plant's evolutionary place in the natural world.

Rank Classification
Kingdom Plantae
Phylum Streptophyta
Class Equisetopsida
Subclass Magnoliidae
Order Lamiales
Family Lamiaceae
Genus Prunella

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

Geographic Regions

Prunella vulgaris maintains a broad and diverse distribution across several significant geographical regions. It is widely found throughout Africa and the various archipelagos of Macaronesia. Specifically, its presence extends to the Azores, the Canary Islands, Cape Verde, and Madeira. Within the African continent, the plant is notably established in Northern Africa, with specific sightings in Algeria. This widespread reach highlights the plant's ability to thrive across these distinct Atlantic and continental landscapes.

Sources: The World Checklist of Vascular Plants (WCVP)

Identification

Morphology

Prunella vulgaris is characterized by its distinct growth form as a versatile herb. This self-supporting plant establishes a sturdy presence within its natural habitat. It typically reaches a maximum height of 0.6 meters, allowing it to stand out among low-growing vegetation. Depending on its environment, the species can be quite small, with a minimum height as low as 0.05 meters. However, it often maintains a more substantial stature, frequently measuring at least 0.251 meters in height.

Sources: Global Inventory of Floras and Traits (GIFT)

Biological Activities

Prunella vulgaris is a versatile medicinal plant recognized for its diverse range of therapeutic biological activities. Research highlights its potent antioxidant properties, which are driven by specific metabolites and polysaccharides found throughout its various parts. The plant also demonstrates significant antiestrogenic effects, particularly through compounds like ursolic and betulinic acid that help suppress estrogen signaling. Furthermore, extracts of this species have shown antifibrotic potential by helping to attenuate tissue hardening in various organs. Beyond these functions, Prunella vulgaris possesses notable antimicrobial and antiviral constituents, making it a rich resource for natural drug development.

Compounds

Prunella vulgaris is a highly valued medicinal plant recognized for its rich profile of bioactive secondary metabolites. Research has confirmed that this species contains significant amounts of flavonoids, which contribute to its diverse therapeutic properties. Within its chemical composition, various phenolic acids are present, including caffeic acid and ferulic acid. Additionally, the plant is characterized by the presence of rosmarinic acid, a key component often used as a marker for its quality. The accumulation of these compounds, such as hyperoside, can be further enhanced through the application of substances like selenium, melatonin, or 2,4-epibrassinolide to mitigate environmental stress.

Conditions

Prunella vulgaris displays diverse biological activities including anti-cancer properties and anti-inflammatory effects. The plant also serves as a potent antioxidant, which can help protect human stem cells from thermal stress. Its medicinal value is further highlighted by its anti-microbial capabilities against various pathogens. Additionally, specific polysaccharide fractions from the plant have demonstrated effectiveness in treating HSV-1 by reducing antigen expression.

Preparations

Prunella vulgaris is prepared as aqueous extracts to study its antioxidative properties and its ability to inhibit HIV-1 gp41 six-helix bundle formation. As a recognized Chinese herb, it is utilized in various traditional medicinal treatments and scientific screenings for antiviral activity. The plant is also prepared as distillation extracts to isolate and analyze the stability of its volatile organic compounds. Furthermore, Prunella vulgaris is prepared as extracts to identify specific constituents like ursolic acid that exert antiestrogenic effects. Finally, the plant is prepared as MeOH extract to facilitate the isolation of compounds such as rosmarinic acid for studying their inhibitory effects on protein binding.

Parts used

Prunella vulgaris is a medicinal perennial herb that contains various functional components distributed across its different anatomical structures. Research indicates that the plant's leaf holds the highest concentration of flavonoids, while the root typically contains the lowest amounts. The flowers serve as a primary site for the accumulation of rosmarinic acid, a major secondary metabolite essential to its medicinal value. Additionally, the plant produces a fruiting spike, known as Spica Prunellae, which is a critical part for traditional use and contains seeds that influence the chemical composition of the spike. Understanding these relationships between the leaf, root, flower, seed, and fruit is vital for optimizing the cultivation and medicinal efficacy of the species.