Ilex pubescens

Ilex pubescens · Accepted scientific name

Scientific literature: Very Sparse (1 studies) · ★☆☆☆☆

Ilex pubescens is a plant species that has garnered interest for its potential therapeutic applications in managing various neurological and psychological conditions. Research suggests that extracts derived from its roots and stems may possess antidepressant activities. Specifically, these medicinal properties are often studied through preparations such as petroleum extracts and the petroleum-soluble fraction of the acidic hydrolysate of the water extract. Such compounds have been investigated for their ability to assist with conditions including depression, burns, hemiplegia, and stroke recovery. Consequently, the chemical profile of this plant offers a unique area of focus for addressing complex physiological and mental health challenges.

Quick facts
Synonyms
Not available
Common names
Not available
Family
Aquifoliaceae
Distribution
Asia-Tropical
Plant Parts
Root · Stem

Classification

Common Names

Ilex pubescens is a versatile plant known by several distinct names across different cultures and languages. In English-speaking regions, it is most frequently identified as Downy Holly or pubescent holly. Its unique texture also earns it the descriptive moniker of Behaarte Stechpalme in certain contexts. Moving toward Asian nomenclature, the species is recognized as mao dong qing. Finally, it is occasionally referred to as karvane iileks, showcasing the diverse linguistic landscape surrounding this species.

Sources: Catalogue of Life (COL)

Taxonomy

Ilex pubescens is a distinctive species belonging to the kingdom Plantae. Within this vast biological realm, it is categorized under the class Equisetopsida. Its taxonomic journey continues through the order Aquifoliales, which helps define its evolutionary lineage. Furthermore, this plant is a member of the family Aquifoliaceae, showcasing its specific botanical characteristics. Ultimately, it is classified under the well-known genus Ilex, marking its place in the natural world.

Rank Classification
Kingdom Plantae
Phylum Streptophyta
Class Equisetopsida
Subclass Magnoliidae
Order Aquifoliales
Family Aquifoliaceae
Genus Ilex

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

Geographic Regions

Ilex pubescens is a notable species primarily distributed across the Asia-Temperate regions. Its presence is widely documented throughout China, specifically within the South-Central and Southeast territories. The plant also finds a unique habitat on the island of Hainan. Furthermore, its geographic reach extends to Eastern Asia, including the island of Taiwan. This diverse distribution highlights the plant's ability to thrive in various subtropical environments.

Sources: The World Checklist of Vascular Plants (WCVP)

Identification

Morphology

Ilex pubescens grows in a characteristic shrub form, providing a dense and structured presence in its habitat. This plant is entirely self-supporting, allowing it to maintain its upright stature without the need for external assistance.

Sources: Global Inventory of Floras and Traits (GIFT)

Biological Activities

Ilex pubescens is a traditional Chinese medicine that has long been prescribed for treating depression-like ailments. Recent scientific investigations have sought to evaluate its potential therapeutic benefits using the learned helplessness model in mice. The study revealed that petroleum extracts of this plant significantly decreased the number of escape failures compared to the control group. These results provide a strong scientific rationale for the historical clinical use of the herb in managing depressive symptoms. Furthermore, these findings offer a promising direction for identifying the specific phytochemicals responsible for its antidepressant activity.

Compounds

Ilex pubescens serves as a significant subject for the study of unique chemical constituents found within its roots. Through the use of chromatographic methods and spectral analysis, researchers have successfully isolated several specific lignin glycosides from this plant species. Among these identified compounds is the notable Olivil 4'-O-beta-D-glucopyranoside. The discovery of this substance, along with five other glycosides, marks the first time these specific molecules have been documented in this plant. Such findings contribute valuable data to our understanding of the complex biochemical makeup of the Ilex genus.

Conditions

Ilex pubescens is utilized in traditional medicine to activate blood circulation and dispel stasis. The plant also exhibits potent anti-platelet aggregation activities, particularly through compounds like pubescenosides A and B. Its therapeutic applications extend to treating cardiodynia and various thoracic obstructions. Additionally, it is used to treat skin conditions such as burns and scalds. Finally, the plant is applied in the treatment of central retinitis.

Preparations

Ilex pubescens is prepared as an extract for pharmacokinetic studies involving triterpenoid saponins. This plant is also prepared as petroleum extracts, which have demonstrated significant antidepressant effects in mouse models. Additionally, it is prepared as a petroleum-soluble fraction of the acidic hydrolysate of the water extract following petroleum extraction to treat depression-like ailments. Research has further utilized Ilex pubescens prepared as roots to isolate new monoterpene and phenolic glycosides. Finally, the chemical constituents of the plant are studied when Ilex pubescens is prepared as stems to identify specific flavonoids and organic acids.

Parts used

Ilex pubescens serves as a rich source of diverse chemical constituents found within its various anatomical structures. Scientific investigations have successfully isolated several lignin glycosides and hemiterpene glucosides specifically from the plant's root. These root-derived compounds, such as pubescenosides A and B, have demonstrated significant potential for their anti-platelet aggregation activities. In addition to the roots, the stems of Ilex pubescens contain a unique profile of metabolites, including flavonoids like luteolin and quercetin. By analyzing both the root and stem, researchers continue to uncover the complex pharmacological properties inherent to this species.