Polypodium vulgare

What's the taxonomical classification of Polypodium vulgare?

Polypodium vulgare belongs to the kingdom Plantae and is classified within the phylum Streptophyta. Moving down the taxonomic hierarchy, it is placed in the class Equisetopsida and the subclass Polypodiinae. It further falls under the order Polypodiales and is a member of the family Polypodiaceae. Within this family, it is categorized under the genus Polypodium, ultimately reaching its specific identification as the species vulgare.

Taxonomic Rank Classification
Kingdom Plantae
Phylum Streptophyta
Class Equisetopsida
Subclass Polypodiinae
Order Polypodiales
Family Polypodiaceae
Genus Polypodium
Species vulgare
Evidence Level: ★★★★☆

What are the morphological characteristics of this plant?

Polypodium vulgare has a creeping rhizome that is slender, dark brown, and covered in small, brownish scales. From this central rhizome, long-stalked fronds emerge in an alternating pattern. The blades are simple, oblong to lanceolate in shape, and feature wavy or slightly lobed margins. These fronds are typically bright green and lack the complex division seen in many other fern species. On the underside of the mature leaves, small, circular sori are arranged in rows along the veins.

Evidence Level: ★☆☆☆☆

What is the geographical distribution of this plant?

This plant is native to much of the temperate regions of the Northern Hemisphere, including North America, Europe, and parts of Asia. It thrives across various landscapes ranging from deciduous forests to rocky cliffsides. While its primary range is well-established in these regions, it can be found in diverse climates where moisture is consistent. Some populations have also been introduced to other parts of the world due to human activity. Its wide distribution is supported by its ability to colonize many different types of shaded habitats.

Evidence Level: ★☆☆☆☆

How is this plant cultivated?

This plant, Polypodium vulgare, is cultivated by propagating its creeping rhizomes in well-drained, acidic soil that remains consistently moist but not waterlogged.

It thrives in partial shade or dappled light, mimicking its natural woodland habitat to prevent leaf scorch. Regular misting helps maintain the high humidity levels necessary for healthy frond development. Growers should avoid heavy fertilization, as excessive nutrients can disrupt its natural growth rhythm.

Monitoring the soil moisture is crucial to prevent the rhizomes from rotting during periods of low temperature.

Evidence Level: ★☆☆☆☆

What parts of this plant are used medicinally?

This plant provides medicinal value through its rhizome and fronds. The rhizome is the primary part used in traditional treatments to act as an anthelmintic for expelling intestinal parasites. It is often prepared as a decoction or a powder to ensure its active compounds are effective. The fronds may also be utilized in specific topical or herbal preparations depending on the cultural practice. These various components work together to offer a range of therapeutic applications in botanical medicine.

According to a study published by "Frontiers in pharmacology", the methanolic extract of Polypodium vulgare fronds (PVM) was characterized using HPLC-DAD to investigate its bioactive properties. While the European Medicines Agency published a monograph about the rhizome of this species in 2008, this study specifically focused on polar constituents extracted from the fronds. The investigation utilized 6 different cell lines, specifically 3T3, HaCaT, HeLa, HepG2, MCF-7, and A549, to evaluate potential cytotoxic behavior. Results demonstrated that PVM is not cytotoxic at physiological concentrations against these cell lines and shows cytoprotective activity in 3T3 fibroblast cells. These fronds serve as a source of polyphenolic compounds that may support traditional uses such as wound healing properties.

The parts of this plant that are ued medicinally are shown in the list below.

  • fronds
  • rhizome
Evidence Level: ★★★☆☆

What traditional systems uses this plant?

This plant, known as common polypody, has been utilized across various historical medical traditions primarily for its diuretic, expectorant, and emmenagogue properties. In Traditional Persian Medicine, it was often categorized by its thermal and moist qualities to address specific internal imbalances. Historical practitioners in many cultures used decoctions of the rhizome to soothe respiratory ailments such as coughs and bronchitis. Additionally, various ancient systems employed the plant to regulate menstrual cycles and treat urinary tract issues. These diverse applications highlight its long-standing importance in botanical therapeutics throughout history.

According to a study published by "Journal of ethnopharmacology", Polypodium vulgare L. is a medicinal plant widely used in traditional Persian medicine to treat various mental health conditions, such as Obsessive-compulsive disorder (OCD). In a triple-blind clinical trial involving 84 individuals with OCD, a herbal product containing Polypodium vulgare L. was tested. Participants were assigned to groups receiving either the herbal product or a placebo while taking 100 mg of fluvoxaamine tablets twice daily. Evaluations were conducted at the beginning of the trial and after four and eight weeks of intervention. The study found that the reduction rate in the group receiving the herbal product was significantly higher than the placebo group with a P-value = 0.043.

The hystorical systems that uses this plant are shown in the list below.

  • Traditional Persian Medicine
Evidence Level: ★★★☆☆

What are the pharmacological activities of Polypodium vulgare?

This plant has diverse pharmacological activities including CNS depressant, anti-inflammatory, anticonvulsant, antimicrobial, and antioxidant properties. The presence of bioactive compounds allows it to act as a central nervous system depressant and provide anticonvulsant effects to stabilize neural activity. Its anti-inflammatory capabilities help reduce swelling and pain while its antioxidant profile protects cells from oxidative stress. Additionally, the plant exhibits significant antimicrobial activity by inhibiting the growth of various pathogens. These combined therapeutic effects demonstrate the medicinal potential of Polypodium vulgare in treating multiple conditions.

According to a study published by "Indian journal of experimental biology", the aqueous extract of the root of Polypodium vulgare produced CNS depressant effects. This extract decreased spontaneous motor activity, prolonged pentobarbitone induced hypnosis, reduced body temperature, and increased the reaction time to pain stimuli. Polypodium vulgare provided prevention against supramaximal electroshock and pentylenetetrazol induced seizures. The plant showed a positive inotropic and chronotropic effect on perfused frog heart and caused hypotension and tachycardia in anaesthetised dogs. Additionally, Polypodium vulgare produced dose dependent inhibition of contractions of rabbit small intestine, an effect that was blocked by propranolol. The plant appears to possess CNS depressant and beta-adrenoceptor agonistic activities.

The primary pharmacological activities of this plant are shown in the list below.

  • CNS depressant
  • anticonvulsant
  • anti-inflammatory
  • antimicrobial
  • antioxidant
Evidence Level: ★★★☆☆

What medicinal compounds this plant contains?

This plant contains caffeoylquinic acid derivatives, catechin, catechol, epicatechin, and shikimic acid as its primary medicinal compounds. These specific phytochemicals contribute to the various pharmacological activities attributed to the species. The presence of phenolic compounds like catechin and epicatechin suggests significant antioxidant potential within the plant tissues. Additionally, the shikimic acid pathway plays a crucial role in the biosynthesis of these bioactive molecules. Together, these substances form a complex chemical profile that supports the plant's traditional medicinal uses.

According to a study published by "Frontiers in pharmacology", the methanolic extract of Polypodium vulgare fronds (PVM) contains significant amounts of shikimic acid. This extract also features caffeoylquinic acid derivatives and flavonoids such as epicatechin and catechin. The polyphenolic profile of PVM was validated using HPLC-DAD to investigate its potential for pharmaceutical applications. Research involving 3T3, HaCaT, HeLa, HepG2, MCF-7, and A549 cell lines demonstrated that PVM is not cytotoxic at physiological concentrations. Furthermore, the extract showed cytoprotective and cellular repair activity in 3T3 fibroblast cells.

The primary medicinal compounds of this plant are shown in the list below.

  • caffeoylquinic acid derivatives
  • catechin
  • catechol
  • epicatechin
  • shikimic acid
Evidence Level: ★★★☆☆

What health conditions is this plant used for?

This plant is used for treating respiratory issues such as bronchitis, asthma, and coughs, as well as gastrointestinal ailments like diarrhea and dysentery. Its rhizomes contain tannins and mucilage that help soothe inflamed mucous membranes in the lungs and digestive tract. Historically, practitioners also utilized it as an expectorant to help clear excess mucus from the airways. Some traditional applications involve using the plant to manage mild intestinal inflammation. However, the provided list does not contain 5 relevant items for the topic.

As discussed in a study, Polypodium vulgare is positioned as a candidate for pharmaceutical applications based on traditional medicine uses. The methanolic extract of the fronds, known as PVM, shows cytoprotective and cellular repair activity in 3T3 fibroblast cells. These fronds are a source of polyphenolic compounds that can be responsible for traditional uses such as wound healing properties. The study investigated potential cytotoxicity and protective effects against oxidative stress using cell lines including 3T3, HaCaT, HeLa, HepG2, MCF-7, and A549. PVM is not cytotoxic at physiological concentrations against these different cell lines. This research follows interest that increased when the European Medicines Agency published a monograph about the rhizome of this species in 2008.

The main health conditions this plant is used for are shown in the list below.

  • I cannot extract 5 items because the list provided contains only 4 conditions, none of which are medically recognized primary uses for Polypodium vulgare.
Evidence Level: ★★★☆☆

What are the herbal preparations of this plant?

This plant is used to create medicinal herbal preparations such as aqueous extracts and DPHP tablets to treat respiratory conditions like bronchitis and coughs. The aqueous extract is produced by steeping the rhizomes in water to pull out active compounds for liquid administration. For a more standardized dosage, DPHP tablets provide a concentrated form of the plant material in a convenient solid format. These preparations leverage the expectorant and anti-inflammatory properties found within the plant's tissues. Practitioners often select between these forms based on the specific needs and preferences of the patient.

According to a study published by "Indian journal of experimental biology", the aqueous extract of the root of Polypodium vulgare produced CNS depressant effects. This extract decreased spontaneous motor activity, prolonged pentobarbitone induced hypnosis, reduced body temperature, and increased the reaction time to pain stimuli. The plant prevented seizures induced by both supramaximal electroshock and pentylenetetrazol. Polypodium vulgare showed a positive inotropic and chronotropic effect on perfused frog heart and caused hypotension and tachycardia in anaesthetised dogs. Additionally, the plant produced dose dependent inhibition of contractions of rabbit small intestine. These effects were blocked by propranolol, suggesting Polypodium vulgare possesses beta-adrenoceptor agonistic activities.

The main herbal preparations of this plant are shown in the list below.

  • Aqueous extract
  • DPHP tablets
Evidence Level: ★★★☆☆

What side effects this plant can have?

This plant can cause significant physiological distress including central nervous system depressant effects, hypotension, increased reaction time to pain stimuli, inhibition of contractions of the small intestine, and tachycardia. These adverse reactions manifest through various biological pathways that alter standard bodily functions. The suppression of the central nervous system may lead to lethargy or impaired cognitive processing. Furthermore, cardiovascular irregularities such as low blood pressure and rapid heart rates can pose serious risks to stability. Gastrointestinal issues arise as the plant interferes with normal peristaltic movements. Finally, the delayed response to pain stimuli suggests a dangerous alteration in sensory perception.

According to a study published by "Indian journal of experimental biology", the aqueous extract of the root of Polypodium vulgare produced a CNS depressant effect. This extract decreased spontaneous motor activity, prolonged pentobarbitone induced hypnosis, reduced body temperature, and increased the reaction time to pain stimuli. Polypodium vulgare also provided prevention against supramaximal electroshock and pentylenetetrazol induced seizures. In studies involving perfused frog hearts, the plant showed a positive inotropic and chronotropic effect. Furthermore, Polypodium vulgare caused hypotension and tachycardia in anaesthetised dogs and produced dose dependent inhibition of contractions in the rabbit small intestine.

The main side effects this plant can have are shown in the list below.

  • central nervous system depressant effect
  • hypotension
  • increased reaction time to pain stimuli
  • inhibition of contractions of small intestine
  • tachycardia
Evidence Level: ★★★☆☆

What herbs are paired with Polypodium vulgare?

This plant Polypodium vulgare is most commonly paired with marshmallow root, licorice, and slippery elm to enhance its mucilaginous properties for soothing respiratory membranes.

These combinations are often formulated into decoctions designed to ease dry coughs and soothe inflamed throat tissues. Adding licorice can provide a natural sweetness while simultaneously acting as an expectorant to help clear mucus. When combined with marshmallow, the mixture creates a more viscous coating that protects the delicate lining of the lungs.

Herbalists may also incorporate peppermint to provide a cooling sensation during the consumption of these synergistic blends.

Evidence Level: ★☆☆☆☆