Pteridium aquilinum

Pteridium aquilinum · Accepted scientific name

Scientific literature: Very Sparse (1 studies) · ★☆☆☆☆

Pteridium aquilinum, commonly known as bracken fern, is a widespread plant species that has gained significant scientific interest due to its complex chemical profile. The extracts derived from its leaves are rich in bioactive compounds, including flavonoids, pterosins, pterosin B, and ptaquiloside. These chemical constituents enable the plant to exhibit diverse pharmacological activities, such as antioxidant, 5-HT-inhibitor, 5-lipoxygenase-inhibitor, and 11B-HSD-inhibitor functions. Consequently, these vegetable preparations are being investigated for their potential as anticancer agents and therapeutic options for managing osteoarthritis. Through these various biological mechanisms, the plant serves as a promising subject for modern medicinal research.

Quick facts
Synonyms
Polypodium Austriacum · Dryopteris Austriaca · 33 more
Common names
Not available
Family
Dennstaedtiaceae
Distribution
Not available
Plant Parts
Leaf

Classification

Common Names

Pteridium aquilinum is a versatile fern known globally by a variety of distinct regional names. In certain linguistic contexts, it is referred to as Adain-Redynen Eryraidd or more simply as Adainredyn Cyffredin. Moving across different borders, the plant is recognized by the Dutch name Adelaarsvaren and the German Adlerfarn. Despite these diverse international labels, it is most widely understood by its common English name, Bracken. This variety of nomenclature highlights the widespread presence and cultural significance of the species across different lands.

Sources: Catalogue of Life (COL)

Synonyms

Pteridium aquilinum is a botanical species known by several different scientific names throughout taxonomic history. It is frequently identified by the synonym Allosorus aquilinus, though it is also linked to Allosorus capensis in certain records. The plant has been classified under the name Asplenium aquilinum in various botanical studies. Furthermore, researchers may encounter it listed as Cincinalis aquilina depending on the specific text. Finally, the name Cincinalis lanuginosa serves as another recognized synonym for this widespread fern.

Sources: The World Checklist of Vascular Plants (WCVP)

Taxonomy

Pteridium aquilinum is a remarkable organism that belongs to the vast kingdom Plantae. Within this kingdom, it is classified under the class Equisetopsida, showcasing its unique evolutionary lineage. The plant is further organized into the order Polypodiales, a group known for its diverse fern-like characteristics. At a more specific level, it is nested within the genus Pteridium. Finally, its taxonomic journey concludes within the family Dennstaedtiaceae, completing its biological identity.

Rank Classification
Kingdom Plantae
Phylum Streptophyta
Class Equisetopsida
Subclass Polypodiinae
Order Polypodiales
Family Dennstaedtiaceae
Genus Pteridium

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

Geographic Regions

Pteridium aquilinum exhibits a broad geographical presence across several key regions within the African continent. Its distribution spans the diverse landscapes of Macaronesia, including the Azores, the Canary Islands, and Madeira. Furthermore, this species can be found throughout the Selvagens archipelago, showcasing its adaptability to island environments. In Northeast Tropical Africa, the plant maintains a notable presence, particularly within Ethiopia. This wide-ranging habitat highlights the significant ecological footprint of the species across both mainland and oceanic territories.

Sources: The World Checklist of Vascular Plants (WCVP)

Identification

Morphology

Pteridium aquilinum is a self-supporting herb characterized by its distinct growth form. This species exhibits significant variability in size, with heights ranging from a minimum of 0.3 m to a maximum of 3 m. Depending on its environment, some specimens may reach a more consistent height of approximately 1.39 m. These diverse dimensions reflect the plant's adaptable nature within its habitat. Ultimately, its structural stability allows it to thrive as a sturdy herbaceous presence in the landscape.

Sources: Global Inventory of Floras and Traits (GIFT)

Biological Activities

Pteridium aquilinum is recognized as one of the significant fern species consumed as both a potherb and a traditional medicinal herb. Research into its nutritional profile reveals that it is a dense source of essential proteins, carbohydrates, fats, and minerals. Beyond its nutritional value, the extracts from this plant have demonstrated notable antioxidant activity. While other species like Athyrium multidentatum may show higher potency, Pteridium aquilinum remains a valuable natural resource. Consequently, these ferns represent promising candidates for dietary supplementation and therapeutic applications.

Compounds

Pteridium aquilinum, commonly known as bracken fern, is a complex plant containing a diverse array of bioactive chemical compounds. It is known to contain pterosins and the specific derivative pterosin B, which has shown significant potential in treating conditions like osteoarthritis and diabetes. Additionally, the plant contains flavonoids that provide antimicrobial and immunomodulatory benefits. However, the species also harbors dangerous substances such as prunasin, which can induce cyanide poisoning, and ptaquiloside, a known carcinogen. Understanding these varying relationships is essential for balancing the plant's potential medicinal applications with its inherent toxicological risks.

Conditions

Pteridium aquilinum contains Pterosin B, which acts as a regulator of G6pc expression by serving as a strong repressor once cAMP signaling is initiated. This same ingredient also targets and disrupts the RORα-SRC2 signaling complex within gluconeogenic programs. While the plant contains substances like pyrrolizidine alkaloids that can induce SCEs, its bioactive compounds offer diverse medicinal benefits. Specifically, Pterosin B and its analogues exhibit potential for anti-Alzheimer's disease treatments through neuroprotective properties. Furthermore, the plant demonstrates therapeutic value by providing anti-cardiomyocyte hypertrophy effects.

Preparations

Pteridium aquilinum serves multiple roles in traditional practices, as it is prepared as both extracts and a vegetable. Research indicates that extracts from this fern species are studied for their nutrient content and significant bioactivities. These extracts are specifically analyzed for their levels of proteins, carbohydrates, fats, and minerals. Furthermore, ethnobotanical records show that the plant was once consumed by humans as a vegetable. Together, these uses highlight the diverse applications of the species in both medicinal and dietary contexts.

Parts used

Pteridium aquilinum is a plant species whose young leaves serve as a significant dietary component for various populations across the globe. Consumed as a green vegetable in sub-Saharan Africa, Latin America, and Asia, these leaves offer more than just basic nutrition. Recent scientific investigations have focused on the aqueous extracts derived from these plant parts to evaluate their potential medicinal properties. The study specifically highlights how the polyphenols found within the leaves may help modulate oxidative activities in neutrophils. Consequently, the leaves of Pteridium aquilinum may play a vital role in the future management of ROS-dependent inflammatory diseases.