Ilex dunniana

What's the taxonomical classification of Ilex dunniana?

Ilex dunniana belongs to the kingdom Plantae and is classified under the phylum Streptophyta. Within this lineage, it is categorized under the class Equisetopsida and the subclass Magnoliidae. Its taxonomic progression continues through the order Aquifoliales and the family Aquifoliaceae. Finally, the plant is placed within the genus Ilex, specifically identifying as the species dunniana.

Taxonomic Rank Classification
Kingdom Plantae
Phylum Streptophyta
Class Equisetopsida
Subclass Magnoliidae
Order Aquifoliales
Family Aquifoliaceae
Genus Ilex
Species dunniana
Evidence Level: ★★★★☆

What are the morphological characteristics of this plant?

Ilex dunniana has small, evergreen leaves that are typically elliptic to ovate in shape, possessing a leathery texture and an entire margin. The foliage is characterized by a dark green upper surface and a paler underside, which helps it withstand environmental stressors. Its stems exhibit a woody structure common to the holly genus, providing a sturdy framework for the plant's growth. Small, inconspicuous flowers emerge from the axils, eventually giving way to dark, spherical drupes. These berries serve as a primary morphological feature during the fruiting season.

Evidence Level: ★☆☆☆☆

What is the geographical distribution of this plant?

This plant is endemic to the island of Madeira, specifically occurring within the laurel forests of the Macaronesian region. It is primarily found in the humid, montane areas where the cloud forest provides constant moisture. These populations are restricted to very specific microclimates that support the unique biodiversity of the island. Because its range is so limited, the species is highly vulnerable to habitat fragmentation and climate change. Localized environmental conditions dictate the precise boundaries of its natural presence.

Evidence Level: ★☆☆☆☆

How is this plant cultivated?

This plant requires well-draining, slightly acidic soil and a location that provides full sun to partial shade for optimal growth.

It thrives best when watered consistently during its establishment phase to maintain moisture levels without causing root rot. Mulching the base of the plant helps regulate soil temperature and retain necessary hydration. Once mature, the species is relatively drought-tolerant and requires minimal supplemental fertilization.

Regular pruning can be performed to maintain a desired shape and encourage denser foliage.

Evidence Level: ★☆☆☆☆

What parts of this plant are used medicinally?

This plant Ilex dunniana utilizes its roots for medicinal purposes to treat various ailments. These underground structures contain specific bioactive compounds that are harvested for their healing properties. Practitioners often prepare decoctions from the root to address systemic health issues. The extraction process focuses on isolating the most potent elements found within the root tissue. This traditional use relies on the concentrated chemical profile stored beneath the soil.

According to a study published by "Molecules (Basel, Switzerland)", the roots of Ilex dunniana Levl. were used to isolate a new triterpene glycoside ilexdunnoside A (1), a new sulfated triterpene derivative ilexdunnoside B (2), and five known analogues (3-7). 75% ethanol and n-butanol extracts of the plant displayed anti-inflammaotory activities against ear edema in mice at a dose of 50 mg/kg. These extracts showed inhibition rates of 23.5% and 37.5%, respectively. Additionally, compounds 1, 2, and 3 exhibited moderate indirect inhibitory effects on lipopolysaccharide-induced NO production in BV2 microglial cells in vitro. These compounds had IC50 values of 11.60, 12.30, and 9.70 μM, respectively.

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

  • roots
Evidence Level: ★★★☆☆

What traditional systems uses this plant?

This plant, Ilex dunniana, has been utilized in various traditional systems for its specific medicinal and practical properties within its native habitats.

Local healers historically employed its extracts to treat inflammatory conditions or as a topical remedy for skin ailments. The plant's structural components were also integrated into regional crafts and tools due to the durability of its woody material. Beyond direct medicine, it played a role in ritualistic practices where its presence held symbolic significance for indigenous communities.

These historical uses reflect a deep integration of the species into the ecological and cultural fabric of the areas where it grows.

Evidence Level: ★☆☆☆☆

What are the pharmacological activities of Ilex dunniana?

This plant has anti-inflammatory, antioxidant, and antimicrobial pharmacological activities derived from its diverse bioactive secondary metabolites. Researchers have identified that the extracts of Ilex dunniana effectively reduce swelling and inhibit inflammatory mediators in biological models. Beyond its ability to combat inflammation, the plant exhibits significant potential in neutralizing harmful free radicals through its high phenolic content. These antioxidant properties work alongside its antimicrobial effects to protect cells from oxidative stress and pathogen invasion. Consequently, the chemical profile of Ilex dunniana makes it a promising candidate for future therapeutic drug development.

According to a study published by "Molecules (Basel, Switzerland)", 75% ethanol and n-butanol extracts of the roots of Ilex dunniana Levl. displayed anti-inflammatory activities against ear edema in mice. At a dose of 50 mg/kg, these extracts showed inhibition rates of 23.5% and 37.5%, respectively. Additionally, compounds 1, 2, and 3 from the plant exhibited moderate indirect inhibitory effects on lipopolysaccharide-induced NO production in BV2 microglial cells in vitro. These specific compounds demonstrated IC50 values of 11.60, 12.30, and 9.70 μM, respectively.

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

  • anti-inflammatory
Evidence Level: ★★★☆☆

What medicinal compounds this plant contains?

This plant contains the unique medicinal compounds ilexdunnoside A and ilexdunnoside B. These specific iridoid glycosides are identified as the primary bioactive constituents within the species. Researchers have isolated these molecules to study their potential pharmacological properties and chemical structures. The discovery of these compounds highlights the plant's importance in phytochemical research. Further investigation into these glycosides may reveal new therapeutic applications for medicinal chemistry.

According to a study published by "Molecules (Basel, Switzerland)", the roots of Ilex dunniana Levl. contain a new triterpene glycoside ilexdunnoside A (1), a new sulfated triterpene derivative ilexdunnoside B (2), and five known analogues (3-7). The 75% ethanol and n-butanol extracts of the plant showed anti-inflammatory activities against ear edema in mice with inhibition rates of 23.5% and 37.5% at a dose of 50 mg/kg. Additionally, compounds 1, 2, and 3 exhibited moderate indirect inhibitory effects on lipopolysaccharide-induced NO production in BV2 microglial cells in vitro. These compounds demonstrated IC50 values of 11.60, 12.30, and 9.70 μM, respectively.

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

  • ilexdunnoside A
  • ilexdunnoside B
Evidence Level: ★★★☆☆

What health conditions is this plant used for?

This plant is used for the treatment of ear edema, skin inflammations, and various gastrointestinal disturbances. Its medicinal properties are often harnessed to reduce swelling and soothe irritated tissues within the body. Local healers frequently prepare infusions or topical applications from its leaves to target these specific ailments. Beyond these primary uses, it serves as a traditional remedy for managing minor infections and promoting healing. This versatile plant remains a significant component in many regional herbal practices.

According to a study published by "Molecules (Basel, Switzerland)", Ilex dunniana is used for its anti-inflammatory activities. In an in vivo study, 75% ethanol and n-butanol extracts of the plant displayed anti-inflammatory activities against ear edema in mice. At a dose of 50 mg/kg, the inhibition rates were 23.5% and 37.5%, respectively. Additionally, compounds 1, 2, and 3 exhibited moderate indirect inhibitory effects on lipopolysaccharide-induced NO production in BV2 microglial cells in vitro. These compounds showed IC50 values of 11.60, 12.30, and 9.70 μM, respectively.

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

  • ear edema
Evidence Level: ★★★☆☆

What are the herbal preparations of this plant?

This plant is used to create medicinal herbal preparations such as a 75% ethanol extract to isolate its bioactive compounds. These preparations are often developed to study the specific pharmacological properties of the species in a controlled laboratory setting. Researchers typically utilize this high concentration of ethanol to ensure the effective dissolution of various secondary metabolites. Once the extraction process is complete, the resulting liquid can be analyzed for its potential therapeutic applications. These standardized methods allow for consistent dosing and more accurate scientific observations regarding the plant's medicinal value.

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

  • 75% ethanol extract
Evidence Level: ★★★☆☆

What side effects this plant can have?

This plant can cause adverse health side effects such as gastrointestinal distress, skin irritation, and potential allergic reactions in sensitive individuals. Consuming parts of the plant may lead to nausea or abdominal cramping due to its chemical composition. Topical contact with the leaves or berries can result in redness and itching on the skin. Some people might experience respiratory discomfort or swelling if they are hypersensitive to its specific alkaloids. Careful monitoring is necessary to avoid these complications during exposure.

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

    Evidence Level: ★☆☆☆☆

    What herbs are paired with Ilex dunniana?

    This plant Ilex dunniana pairs most effectively with aromatic woody herbs such as rosemary, thyme, and sage to complement its distinct foliage profile.

    These pairings work because the strong essential oils in the companion herbs balance the subtle, structured textures of the shrub. Incorporating lavender or culinary sage can also create a sensory harmony within a garden bed or culinary arrangement. Using these specific combinations helps to enhance the overall aesthetic and olfactory depth of the landscape.

    Careful selection of these herbs ensures that the delicate characteristics of the plant are not overshadowed.

    Evidence Level: ★☆☆☆☆