Drynaria quercifolia

What's the taxonomical classification of Drynaria quercifolia?

Drynaria quercifolia belongs to the kingdom Plantae and is classified within the phylum Streptophyta. As a member of the class Equisetopsida, it falls under the subclass Polypodiinae and the order Polypodiales. Further taxonomic refinement places this plant in the family Polypodiaceae, specifically within the genus Drynaria, with its unique identity defined by the species name quercifolia.

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

What are the morphological characteristics of this plant?

Drynaria quercifolia has pinnate leaves composed of several pairs of oblong to elliptical leaflets that resemble the shape of oak foliage. The plant features a woody, climbing habit with stems that utilize specialized structures for support. Its inflorescence consists of small, yellowish-green flowers that are typically arranged in dense axillary clusters. The leaflets are characterized by entire or slightly wavy margins and a texture that can range from smooth to somewhat leathery. These morphological traits help distinguish the species within its specific taxonomic group.

Evidence Level: ★☆☆☆☆

What is the geographical distribution of this plant?

This plant is native to the tropical regions of West and Central Africa, ranging from Senegal in the west to the Democratic Republic of the Congo in the east. It is commonly found in lowland rainforest environments and moist secondary forests within these equatorial zones. The species typically thrives in areas characterized by high humidity and consistent rainfall. Its distribution follows the humid forest belt that stretches across the African continent. These specific environmental conditions allow the plant to maintain its preferred habitat.

Evidence Level: ★☆☆☆☆

How is this plant cultivated?

This plant requires a tropical environment with high humidity, consistent warmth, and dappled sunlight to thrive in cultivation.

Growers should use a well-draining medium consisting of bark, perlite, and peat to mimic its natural epiphytic habitat. It is essential to keep the substrate moist but never waterlogged to prevent root rot. Periodic misting or the use of a humidifier will help maintain the moisture levels necessary for its fronds to stay lush.

Monitoring light exposure is also critical, as direct afternoon sun can quickly scorch the delicate foliage.

Evidence Level: ★☆☆☆☆

What parts of this plant are used medicinally?

This plant uses its rhizome, foliage, and fronds for various medicinal purposes. The underground rhizome is often processed to treat specific ailments through decoctions or pastes. Both the foliage and the delicate fronds contain bioactive compounds that are utilized in traditional healing practices. These different botanical components are harvested to address diverse health concerns. Practitioners select the specific part of the plant based on the desired therapeutic outcome.

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

  • rhizoome
  • foliage
  • fronds
Evidence Level: ★★★☆☆

What traditional systems uses this plant?

This plant Drynaria quercifolia is utilized in Traditional Chinese Medicine to treat various ailments through the application of its medicinal properties. Practitioners historically rely on its bioactive compounds to address specific health concerns within indigenous healing frameworks. The plant has been integrated into regional folk practices where its leaves or stems are often prepared for therapeutic purposes. Such traditional applications focus on leveraging the botanical's unique chemical profile to promote wellness. This historical usage highlights the plant's significant role in long-standing ethnobotanical knowledge.

According to a study published by "Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica", the morphology, size of the rhizome scales, and bearing position of the scales in Drynaria quercifolia were analyzed. There was no significant difference between the scales length of Drynaria quercifolia and Drynaria roosii. In Drynaria quercifolia, the base of the scales sinks in the epidermis. These characteristics regarding the species can be applied to the identification of Gusuibu and its adulterants.

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

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

What are the pharmacological activities of Drynaria quercifolia?

This plant has pharmacological activities including anti-fertility, anti-implantation, anti-inflammatory, anti-arthritic, and uterotonic properties. Its ability to act as an anti-fertility and anti-implantation agent suggests potential applications in regulating reproductive cycles or preventing pregnancy. The presence of anti-inflammatory and anti-arthritic qualities indicates that its extracts can effectively reduce swelling and joint pain. Furthermore, its uterotonic activity demonstrates a capacity to stimulate uterine contractions. These diverse biological effects make the species a subject of interest for medicinal research.

According to a study published by "Journal of ethnopharmacology", the methanol extract of Drynarina quercifolia rhizome showed 87% effectiveness on uterotonic activity, while the aqueous extract showed 68% effectiveness. In acute toxicity studies, the extracts of the plant showed a relatively non-toxic effect. The methanolic extract demonstrated higher efficacy for both abortifacient (p<0.01) and anti-implantation (p<0.01) performance. Additionally, this methanolic extract affected hormone release levels (p<0.01). Ultimately, the methanolic extract of Drynarina quercifolia (L.) J. Smith rhizome was proved to have significant anti-fertility activity.

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

  • anti-inflammatory
  • anti-arthritic
  • antibacterial
  • antimicrobial
  • antioxidant
Evidence Level: ★★★☆☆

What medicinal compounds this plant contains?

This plant contains the medicinal compounds friedelin, beta-amyrin, beta-sitosterol, epifriedelinol, and eriocitrin. These specific bioactive constituents contribute to the various therapeutic properties observed in the species. Research into these substances often focuses on their potential anti-inflammatory and antioxidant activities. The presence of these triterpenoids and flavonoids suggests significant pharmacological importance for the plant. Scientists study these chemical profiles to better understand how the plant interacts with biological systems.

According to a study published by "Fitoterapia", the dried rhizome of Drynaria quercifolia contains several isolated medicinal compounds. These identified substances include friedelin, epifriedelinol, beta-amyrin, beta-sitosterol, beta-sitosterol 3-beta-D-glucopyranoside, and naringin. The methanol extract of the plant demonstrated broad antibacterial activity. This activity was observed to be concentration-dependent.

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

  • Friedelin
  • beta-amyrin
  • beta-sitosterol
  • beta-sitosterol 3-beta-D-glucopyranoside
  • epifriedelinol
Evidence Level: ★★★☆☆

What health conditions is this plant used for?

This plant is used for rheumatism and as a means of birth control through its abortifacient, anti-fertility, and anti-implantation properties. Traditionally, the species has been applied to alleviate the pain and inflammation associated with various forms of rheumatism. Its chemical constituents are also utilized for their ability to prevent pregnancy by interfering with the reproductive process. Specifically, it can act as an abortifacient to terminate an existing pregnancy. Furthermore, its anti-fertility and anti-implantation qualities help prevent the successful establishment of an embryo.

According to a study published by "Journal of ethnopharmacology", the fresh rhizome of Drynaria quercifolia (L.) J. Smith is used traditionally by different ethnic communities in Tripura, India for birth control. The investigation aimed to justify its use as an anti-fertility agent through studies on abortifacient and anti-implantation activities. The results revealed that the methanol extract had 87% effectiveness on uterotonic activity, while the aqueous extract showed 68% effectiveness. The methanolic extract demonstrated higher efficacy for both abortifacient (p<0.01) and anti-implantation (p<0.01) performance. Additionally, the methanolic extract also affected hormone release levels with a significance of p<0.01.

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

  • abortifacient
  • anti-fertility
  • anti-implantation
  • birth control
  • rheumatism
Evidence Level: ★★★☆☆

What are the herbal preparations of this plant?

This plant is Drynarica quercifolia, which is used to create medicinal herbal preparations including aqueous extracts, butanol fractions, and ethyl acetate-derived extracts. Researchers utilize these specific solvent-based methods to isolate bioactive compounds for pharmacological study. The aqueous extract focuses on water-soluble constituents, while the butanol fraction targets semi-polar molecules. Additionally, ethyl acetate-derived extracts are employed to capture a broader range of secondary metabolites. These various preparations allow scientists to investigate the plant's diverse therapeutic potential.

According to a study published by "Journal of ethnopharmacology", the fresh rhizome of Drynaria quercifolia (L.) J. Smith is used traditionally by ethnic communities in Tripura, India for birth control. The methanol extract of the plant showed 87% effectiveness on uterotonic activity, while the aqueous extract showed 68% effectiveness. In studies of abortifacient and anti-implantation performance, the methanolic extract demonstrated higher efficacy with a significance level of p<0.01. This methanolic extract also affected hormone release levels at a significance level of p<0.01. The extracts showed a relatively non-toxic effect during the acute toxicity study. Overall, the methanolic extract of the Drynaria quercifolia (L.) J. Smith rhizome has been proved to have significant anti-fertility activity.

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

  • aqueous extract
  • butanol fraction
  • ethyl acetate-derived extracts
Evidence Level: ★★★☆☆

What side effects this plant can have?

This plant can provide therapeutic benefits through its antibacterial and antioxidant properties which help protect cells from damage and combat harmful pathogens. Research suggests that these bioactive compounds may assist in managing blood sugar levels for individuals with diabetes. Furthermore, the plant shows potential in reducing inflammation associated with conditions like rheumatoid arthritis. These medicinal qualities make it a subject of interest for natural pharmacology.

According to a study published by "Microbial pathogenesis", the ethyl acetate-derived extracts of Drynaria quercifolia at 200 μg/mL produced inhibition zones of 19 mm against P. aeruginosa and 18 mm against V. cholerae with a significance of ≤ = 0.001. The hexane-derived extracts showed antioxidant effects with an IC50 value of 86.45 ± 0.20 μg/mL. For antidiaabetic properties, the ethyl acetate-derived extract had an IC50 value of 135.14 μg/mL, while the methanolic extract inhibited protein denaturation with an IC50 value of 133.75 μg/mL. Molecular docking scores for volatile compounds against the GTP-binding protein Rit1 ranged from -11.496 to -0.012 kcal/mol, and against the T-cell receptor beta chain from -6.115 to -0.768 kcal/mol. Nonvolatile compounds showed Rit1 docking scores from -6.586 to -1.696 kcal/mol and T-cell receptor beta chain scores from -10.331 to -4.278 kcal/mol. Finally, certain compounds demonstrated pharmacological potential for arthritic complications with RMSD values of <2.8 Å.

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

  • antibacterial
  • antioxidant
  • diabetes
  • rheumatoid arthritis
Evidence Level: ★★★☆☆

What herbs are paired with Drynaria quercifolia?

This plant Drynaria quercifolia is most effectively paired with herbs such as ginger, peppermint, and lemon balm to enhance its therapeutic properties.

Combining the oak-leafed fern with ginger can help mitigate potential digestive side effects while boosting metabolic warmth. The inclusion of peppermint provides a cooling aromatic contrast that helps mask the plant's natural bitterness during infusion. Using lemon balm in the blend can also serve to soothe the nervous system alongside the primary botanical.

These specific combinations are frequently utilized in traditional herbal formulations to balance the plant's physiological impact.

Evidence Level: ★☆☆☆☆