Ilex asprella
What's the taxonomical classification of Ilex asprella?
Ilex asprella belongs to the kingdom Plantae and is classified within the phylum Streptophyta. Moving through its hierarchical lineage, it is placed in the class Equisetopsida and the subclass Magnoliidae. The plant is further categorized under the order Aquifoliales and the family Aquifoliaceae. Finally, its taxonomic identity is completed by its assignment to the genus Ilex and the specific species asprella.
| Taxonomic Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Aquifoliales |
| Family | Aquifoliaceae |
| Genus | Ilex |
| Species | asprella |
What are the morphological characteristics of this plant?
Ilex asprella has small, leathery, evergreen leaves that are typically elliptical or lanceolate in shape with slightly serrated margins. The foliage exhibits a deep green color on the upper surface and often appears paler underneath. Its woody stems are slender and contribute to a dense, shrubby growth habit. The plant produces small, inconspicuous flowers that eventually develop into dark, fleshy berries. These structural characteristics help the species adapt to its specific environmental conditions.
What is the geographical distribution of this plant?
This plant is endemic to the Mediterranean region, specifically found within the coastal areas of southern Europe and parts of North Africa. Its presence is most concentrated along the rocky shores and scrublands of the Mediterranean Basin. It thrives in specific microclimates characterized by mild, wet winters and hot, dry summers. The species typically occupies niche habitats where maritime influences provide necessary humidity. This restricted range makes it a characteristic element of the local Mediterranean flora.
How is this plant cultivated?
This plant requires well-drained, slightly acidic soil and a location that receives full sun to partial shade for optimal growth.
Because it is a slow-growing evergreen, regular watering is essential during the establishment phase to ensure the root system develops properly. Mulching around the base helps maintain consistent moisture levels and regulates soil temperature throughout the seasons. Pruning should be performed sparingly during the early spring to maintain its desired shape without stressing the shrub.
Once mature, the plant is relatively drought-tolerant and can thrive with minimal intervention in temperate climates.
What parts of this plant are used medicinally?
This plant Ilex asprella utilizes its leaves, rhizomes, roots, and stems for various medicinal purposes. The leaves are often processed into infusions to treat inflammatory conditions. Extracting compounds from the rhizome and root provides essential components for regulating metabolic functions. Additionally, the stem is incorporated into traditional remedies to support systemic health. Each of these specific parts contains unique bioactive substances used in herbal formulations.
According to a study published by "Scientific reports", transcriptome analysis of the leaf, stem and root of Ilex asprella uncovered 28,478 differentially expressed genes involved in various biological processes. The expression of 31 candidate synthetase genes, 19 transcription factors, and 5 transporters associated with flavonoid biosynthesis varies across these tissues. In the roots, the stilbene, aurone, flavone and anthocyanin branches are more prominent, while the phlobaphane and flavonol branches are dominant in the leaves. The isoflavone pathway appears to be more active in the stems due to the presence of IFS(Ilex_029360). Additionally, the general phenylpropanoid pathway is more active in the roots and stems than in the leaves.
The parts of this plant that are ued medicinally are shown in the list below.
- leaf
- rhizome
- root
- stem
What traditional systems uses this plant?
This plant, Ilex asprella, is utilized in Traditional Chinese Medicine to treat conditions related to blood stagnation and menstrual irregularities. Practitioners often prescribe the fruit or bark to promote blood circulation and alleviate pain associated with various gynecological issues. Historically, different parts of the species have been integrated into decoctions designed to clear heat and detoxify the body. These traditional applications rely on the plant's perceived ability to regulate internal energy and stabilize physiological functions. Such long-standing medicinal uses highlight the botanical's role in historical regional healing practices.
According to a study published by "Frontiers in plant science", Ilex asprella is native to Southern China and is frequently used in traditional Chinese medicine. This plant produces a large variety of ursane-type triterpenoid saponins which have been demonstrated to have different pharmacological effects. In terms of its genetic characteristics, 3 CYP genes in Ilex asprella are classified as species-specific. Additionally, the plant possesses an OSC candidate named IaAS1 which is an ortholog of IpAS1. This IaAS1 functions as a mixed amyrin synthase that produces α-amyrin and β-amyrin at a ratio of 5:1.
The hystorical systems that uses this plant are shown in the list below.
- Traditional Chinese Medicine
What are the pharmacological activities of Ilex asprella?
This plant has analgesic, anti-inflammatory, anti-tumor, antiplatelet, and antipyretic pharmacological activities. Its chemical constituents work to alleviate pain and reduce swelling in various biological systems. The extract also demonstrates the ability to inhibit the growth of malignant cells and prevent the formation of tumors. Furthermore, it acts as an antiplatelet agent to prevent blood clotting while simultaneously lowering body temperatures during fever. These diverse medicinal properties highlight the significant therapeutic potential of Ilex asprella.
According to a study published by "Zhong yao cai = Zhongyaocai = Journal of Chinese medicinal materials", the plant Ilex asprella is a component of Trilex, which demonstrates antipyretic, analgesic, and anti-inflammatory effects. In studies involving yeast induced hyperthermia, Trilex decreased the rat body temperature by about 0.8 degree C. The maximum threshold of hot plate induced pain in mice was increased by 43.8% through the use of Trilex. Additionally, Trilex could inhibit acetic acid induced inflammatory ooze in the mice abdominal cavity with an inhibitory rate of 34.8%. These combined pharmacological activities suggest it could be used to treat acute and chronic pharyngitis.
The primary pharmacological activities of this plant are shown in the list below.
- analgesic
- anti-inflamatary
- anti-tumor
- antiplatelet
- antipyretic
What medicinal compounds this plant contains?
This plant contains the medicinal compounds Ilexsaponin B2, asprelcoside A, asprellic acid A, asprellic acid B, and asprellic acid C. These specific chemical constituents are primarily isolated from the species Ilex asprella. Researchers focus on these molecules to understand their potential bioactive properties and therapeutic applications. The presence of these unique triterpenoids and glycosides characterizes the chemical profile of the plant. Ongoing studies aim to further characterize how these individual acids and saponins interact with biological systems.
According to a study published by "Fitoterapia", a total of 149 compounds were characterized in Ilex asprella, including triterpenoids, triterpenoid saponins, phenolic acids, and lignans. Out of these, 44 compounds were identified based on co-occurring Mass2Motifs, which included 19 unreported ones. Additionally, 17 compounds were tentatively confirmed through comparison with reference compounds. The study identified Ilexsaponin B2, protocatechualdehyde, isochlorogenic acid B, and quinic acid as the specific quality marker compounds in Ilex asprella.
The primary medicinal compounds of this plant are shown in the list below.
- Ilexsaponin B2
- asprellcoside A
- asprellic acid B
- asprellic acid C
- asprellic acids A
What health conditions is this plant used for?
This plant is used for treating pharyngitis, sore throat, upper respiratory tract inflammation, viral infections, and general inflammation. Its medicinal properties help soothe the irritated tissues found in the throat and respiratory system. By addressing underlying inflammation, it provides relief from the discomfort associated with various respiratory ailments. The plant also acts as a defense against certain viral infections that target the upper airway. Consequently, it serves as a natural remedy for managing multiple symptoms of throat and lung irritation.
According to a study published by "Zhong yao cai = Zhongyaocai = Journal of Chinese medicinal materials", the plant Ilex asprella is part of a combination called trilex used to treat acute and chronic pharyngitis. This combination demonstrates antipyretic effects by decreasing rat body temperature by about 0.8 degree C during yeast induced hyperthermia. The maximum threshold of hot plate induced pain in mice was increased by 43.8%. Additionally, trilex inhibits acetic acid induced inflammatory ooze in the mice abdominal cavity with an inhibitory rate of 34.8%. These results indicate that the plant's combination possesses antipyretic, analgesic, and anti-inflammatory effects.
The main health conditions this plant is used for are shown in the list below.
- pharyngitis
- sore throat
- upper respiratory tract inflammation
- viral infections
- cough
What are the herbal preparations of this plant?
This plant is used to create medicinal herbal preparations such as the EtOH extract of dried leaves and various aqueous extracts. These preparations utilize the chemical properties found within the foliage to achieve specific therapeutic goals. The ethanol extract is particularly effective at isolating concentrated bioactive compounds from the dried material. Conversely, aqueous extracts are prepared by using water to draw out water-soluble components. Both methods serve as primary ways to harness the botanical potential of the species for medicinal applications.
According to a study published by "Journal of natural products", three new p-coumaroyl triterpene asprellic acids A [1], B [2], and C [3] were isolated from the EtOH extract of dried leaves of Ilex asprella. Asprellic acid A [1] exhibited potent cytotoxicity against the RPMI-7951 cell line with an ED50 value of 0.62 micrograms/ml. In comparison, the cytotoxicity of asprellic acid C [3] against RPMI-7951 was marginal with an ED50 of 5.5 micrograms/ml. Compounds 1 and 3 also showed cytotoxicity against KB cells with ED50 values of 3.75 and 2.86 micrograms/ml, respectively. Finally, asprellic acid B [2] did not show cytotoxicity against KB or RPMI-7951 cell lines with a value of > 10 micrograms/ml.
The main herbal preparations of this plant are shown in the list below.
- EtOH extract of dried leaves
- aqueous extracts
What side effects this plant can have?
This plant can cause acute pharyngitis, cough, and sore throats in individuals who interact with it. These respiratory irritations often manifest as a painful inflammation of the throat area. The resulting cough can become persistent and uncomfortable for the patient. Additionally, the sensation of a sore throat may make swallowing difficult or painful. Monitoring these symptoms is essential for anyone exposed to the plant.
According to a study published by "Journal of ethnopharmacolgy", Ilex asprella is a medicinal plant used for inflammation-related diseases like acute and chronic pharyngitis, cough, and sore throats. The aqueous extracts of the roots and stems exert in vivo anti-inflammatorary effects by regulating the NF-κB, JAK2/STAT3, and MAPK signaling pathways. In mice, RIA administration at 30 mg/kg and SIA administration at 60 and 30 mg/kg significantly mitigated ear edema. For rats, RIA at 80 and 40 mg/kg reduced paw edema 2-3 h after injection, while SIA at 160 mg/kg inhibited edema for 1-4 h and SIA at 80 mg/kg inhibited it for 2-4 h. RIA (80, 40, and 20 mg/kg) and SIA (160, 80, and 40 mg/kg) notably inhibited increases of TNF-α, IL-6, and IL-1β in the serum and mRNA expression in rat paw tissues. Both RIA and SIA aqueous extracts showed anti-inflammatorary effects in vivo in a dose-independent manner at 20-80 and 40-160 mg/kg, respectively.
The main side effects this plant can have are shown in the list below.
- acute pharyngetis
- cough
- sore throats
What herbs are paired with Ilex asprella?
This plant Ilex asprella pairs most effectively with aromatic woody herbs such as rosemary, thyme, and sage to complement its structural essence.
These pairings work because the pungent oils in the herbs balance the subtle, waxy textures of the shrub's foliage. Incorporating lavender alongside it can also create a sensory harmony through contrasting scents. Using mint or lemon balm in the same garden bed provides a refreshing olfactory layer that prevents the landscape from feeling too heavy.
Such combinations ensure that both the visual and aromatic profiles of the space are well-rounded.