Pteridium aquilinum
What's the taxonomical classification of Pteridium aquilinum?
Pteridium aquilinum belongs to the kingdom Plantae and is classified under the phylum Streptophyta. Within this lineage, it is situated in the class Equisetopsida and the subclass Polypodiinae. Following the order Polypodiales, the plant is further categorized into the family Dennstaedtiaceae. Finally, its taxonomic identity is completed by its assignment to the genus Pteridium and its specific designation as the species aquilinum.
| Taxonomic Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Polypodiinae |
| Order | Polypodiales |
| Family | Dennstaedtiaceae |
| Genus | Pteridium |
| Species | aquilinum |
What are the morphological characteristics of this plant?
Pteridium aquilinum has large, triangular fronds that can reach up to one meter in length, characterized by a pinnate division into multiple small, lanceolate leaflets. These leaflets are typically arranged in a single plane and feature finely serrated or lobed margins. The plant grows from a robust, creeping underground rhizome that allows it to spread extensively through clonal reproduction. The stipe, or stalk, is often dark brown or blackish and provides structural support for the expansive photosynthetic surface. Small, brownish sori are located on the underside of the leaflets to facilitate spore production.
What is the geographical distribution of this plant?
This plant is native to the temperate regions of the Northern Hemisphere, spanning across much of North America, Europe, and much of northern Asia. It is widely distributed throughout the mountainous and forested areas of the United States and Canada. In Europe, its range extends from the British Isles across much of the continent to the Ural Mountains. Populations are also frequently found in parts of Japan, Korea, and China. This broad distribution is facilitated by its preference for moist, shaded habitats found in many different cool-climate zones.
How is this plant cultivated?
This plant, commonly known as bracken fern, requires well-drained, acidic soil and partial shade to thrive in its natural woodland habitat.
It spreads aggressively through an extensive underground rhizome system that can quickly dominate a landscape. While it is hardy and drought-tolerant once established, consistent moisture is necessary during its initial growth stages. Cultivation is often difficult because the plant is highly invasive and can outcompete other vegetation.
Gardeners should plant it in contained areas to prevent it from spreading uncontrollably throughout the surrounding environment.
What parts of this plant are used medicinally?
This plant Pteridium aquilinum is used medicinally through its leaves, which contain various bioactive compounds. These fronds have historically been applied topically to treat skin ailments and minor wounds. Some traditional practices involve using the leaf extracts to address digestive issues or internal inflammation. However, caution is necessary because the leaves also contain natural toxins that can be harmful if consumed in large amounts. Researchers continue to study these specific plant parts to better understand their chemical properties.
According to a study published by "International journal of molecular sciences", the young leaves of Pteridium aquilinum (Dennstaedtiaceae) are currently consumed as green vegetables by peoples in sub-Saharan Africa, Latin America, Asia and their migrants living in Western Europe. The study investigates the effects of aqueous extracts of this plant on the production of reactive oxygen species (ROS) and the release of myeloperoxidase (MPO) by equine neutrophils activated with phorbol 12-myristate 13-acetate (PMA). In all experiments, the aqueous extracts developed concentration-dependent inhibitory effects. Some polyphenols with well-known antioxidant activities found in the extracts include caffeic acid, chlorogenic acid, hyperoside, rosmarinic acid and rutin. The role of this medicinal plant in the treatment of ROS-dependent inflammatory diseases could have new considerations for health.
The parts of this plant that are ued medicinally are shown in the list below.
- leaves
What traditional systems uses this plant?
This plant, known as eagle fern, has been utilized across various cultures for its medicinal properties and as a source of nutrition. In Traditional Korean Medicine, it is specifically employed to address certain ailments and manage internal health conditions. Historically, many indigenous groups harvested the rhizomes and fronds to serve as a staple food source or to create herbal infusions. These traditional practices often focused on the plant's perceived ability to balance bodily functions. Such long-standing uses reflect a deep historical understanding of its biological characteristics within diverse regional ecosystems.
According to a study published by "Vascular pharmacology", Silsosangami is a dried decoctum consisting of a mixture of 7 Korean herbal medicines. This formulation is composed of 7 specific herbs including Typhae Pollen, Pteropi Faeces, Paeoniae Radicis rubra, Cnidii Rhizoma, Persicae Semen, Carthami Flos and Curcumae Tuber. The study investigated the effects of the Silsosangami water extract on hemolysis in human blood. Among the components, Curcumae Tuber, Persicae Semen and Paeoniae Radicis rubra had the strongest effects, while Typhae Pollen and Pteropi Faeces had slight effects. In contrast, Cnidii Rhizoma and Carthami Flos had no effect on hemolysis.
The hystorical systems that uses this plant are shown in the list below.
- Traditional Korean Medicine
What are the pharmacological activities of Pteridium aquilinum?
This plant has anti-Alzheimer's disease, anti-diabetic, anticancer, antifungal, and antimicrobial pharmacological activities. Its chemical constituents work to inhibit the progression of neurodegenerative symptoms and help regulate blood glucose levels. The plant also demonstrates potent inhibitory effects against various malignant cell lines. Additionally, its bioactive compounds provide defense against fungal pathogens and a broad spectrum of microbes. These diverse therapeutic properties highlight its potential for developing new medicinal treatments.
According to a study published by "Plants (Basel, Switzerland)", Pteridium aquilinum contains bioactive compounds with potential pharmacological activity. Pterosin B and its analogues exhibit anti-osteoarthritis, anti-Alzheimer's disease, neuroprotective, anti-cardiomyocyte hypertrophy, anti-diabetic, and smooth muscle relaxant properties. Ptaquiloside acts as an anticancer agent by inducing apoptosis in certain human cancer cell lines. Additionally, various flavonoids and polysaccharides from the plant function as antimicrobial, antifungal, and immuno-modulatory agents. These findings suggest that medicines could be developed from its pterosins and ptaquiloside.
The primary pharmacological activities of this plant are shown in the list below.
- anti-Alzheimer's disease
- anti-cardiomyocyte hypertrophy
- anti-diabetic
- anticancer
- antioxidant
What medicinal compounds this plant contains?
This plant contains the medicinal compounds Aquilide A, Prunasin, Ptaquiloside, Pterosin B, and Thiaminase. These specific chemical constituents are characteristic of the Pteridium aquilinum species and play significant roles in its biological profile. While some of these substances are studied for their unique pharmacological properties, others are known for their potential toxicity to human cells. Researchers analyze these compounds to understand the plant's complex chemical defense mechanisms and its interactions with various organisms. Detailed studies of these molecules help clarify the relationship between the plant's chemistry and its environmental impact.
According to a study published by "Princess Takamatsu symposia", a novel mutagen designated Aquilide A was isolated from the bracken fern Pteriidum aquilinum. This specific compound requires activation to become mutagenic, a process that occurs spontaneously at pH levels above 6-7. Once activated, Aquilide A was found to be genotoxic in cultured mammalian cells. This discovery was made during an investigation where natural mutagens were detected in 4 out of 6 vegetables studied.
The primary medicinal compounds of this plant are shown in the list below.
- Aquilide A
- Prunasin
- Ptaquiloside
- Pterosin B
- Thiaminase
What health conditions is this plant used for?
This plant is used for treating fungal infections, fungal infections of the skin, microbial infections, oral candidiasis, and digestive tract tumors. Its biological properties allow it to target various pathogens that cause systemic or localized issues. In dermatological applications, it helps manage diverse fungal infections of the skin to promote healing. The plant also shows potential in managing oral candidiasis within the mouth. Furthermore, research has investigated its influence on the growth and management of digestive tract tumors.
According to a study published by "Plants (Basel, Switzerland)", Pteridium aquilinum contains compounds like pterosin B and its analogues that exhibit anti-osteoarthritis, anti-Alzheimer's disease, neuroprotective, anti-cardiomyocyte hypertrophy, anti-diabetic, and smooth muscle relaxant properties. Ptaquiloside found in the plant also acts as an anticancer agent by inducing apoptosis in certain human cancer cell lines. Additionally, certain flavonoids and polysaccharides within the plant act as antimicrobial, antifungal, and immuno-modulatory agents. These bioactive compounds provide therapeutic properties that could be developed into medicines.
The main health conditions this plant is used for are shown in the list below.
- cancer
- digestive tract tumors
- fungal infections
- fungal infections of the skin
- oral candidiasis
What are the herbal preparations of this plant?
This plant is Pteridium aquilinum, a species used in traditional medicine to create various preparations like aqueous extracts for treating intestinal parasites. These water-based decoctions are historically prepared by boiling the rhizomes to release active compounds. Some cultures also use dried powders or infusions to manage inflammatory conditions. While these preparations have long-standing uses in ethnobotany, modern research emphasizes the need for caution due to potential toxicity. Precise dosage remains critical when utilizing these herbal extracts for therapeutic purposes.
According to a study published by "International journal of molecular sciences", young leaves of Pteridium aquilinum (Dennstaedtiaceae) are currently consumed as green vegetables by peoples in sub-Saharan Africa, Latin America, Asia and their migrants living in Western Europe. The study investigates the effects of aqueous extracts of this plant on the production of reactive oxygen species (ROS) and the release of myeloperoxidase (MPO) by equine neutrophils activated with phorbol 12-myristate 13-acetate (PMA). In all experiments, the aqueous extracts developed concentration-dependent inhibitory effects. A moderate heat treatment did not significantly modify the inhibitory capacity of the extracts in comparison to not heated ones. Some polyphenols with well-known antioxidant activities such as caffeic acid, chlorogenic acid, hyperoside, rosmarinic acid and rutin were found in the extracts.
The main herbal preparations of this plant are shown in the list below.
- aqueous extracts
What side effects this plant can have?
This plant can cause severe health complications including acute cyanide poisoning, alterations of liver function marker indices, carcinogenesis, genotoxicity, and retinal atrophy. Ingestion of the plant may lead to rapid toxic effects from cyanide exposure, which can be life-threatening if not treated immediately. The chemical constituents also disrupt metabolic processes, resulting in measurable changes to liver enzymes and function markers. Furthermore, the plant possesses mutagenic properties that contribute to genotoxicity and increase the long-term risk of carcinogenesis. Chronic exposure or high doses have been linked to permanent damage to the eyes, specifically manifesting as retinal atrophy.
According to a study published by "Plants (Basel, Switzerland)", Pteridium aquilinum is considered a poisonous plant because it contains toxic substances such as thiaminase and an anti-thiamine substance that cause thiamine deficiency syndrome. The presence of prunasin induces acute cyanide poisoning, while ptaquiloside causes haematuria, retinal atrophy, immunodeficiency, and lymphoproliferative disorders. This plant's compound ptaquiloside induces carcinogenesis in livestock and in animal and human cell lines, leading the International Agency for Research on Cancer to classify it as a Group 2B carcinogen. Additionally, ptaquiloside has been detected in the milk of cattle, goats, and sheep that grazed on the plant. Although it has toxic effects, the plant contains pterosin B and its analogues which exhibit properties such as anti-osteoarthritis and anti-Alzheimer's disease.
The main side effects this plant can have are shown in the list below.
- acute cyanide poisoning
- alterations of liver function markers indices
- carcinogenesis
- genotoxicity
- retinal atrophy
What herbs are paired with Pteridium aquilinum?
This plant, commonly known as eagle fern, pairs most effectively with woody herbs like rosemary, thyme, and sage to balance its earthy and slightly bitter flavor profile.
These robust seasonings provide a necessary aromatic contrast to the fern's subtle, forest-like undertones. Adding bright elements such as lemon verbena or parsley can also lift the dish by introducing a refreshing acidity. When used in infusions, combining it with mint or chamomile creates a complex herbal profile suitable for calming beverages.
Such combinations ensure that the delicate qualities of the fern are highlighted rather than overwhelmed.