Dioscorea quinquelobata

Dioscorea quinquelobata · Accepted scientific name

Scientific literature: Very Sparse (0 studies) · ★☆☆☆☆

Dioscorea quinquelobata is a distinctive climbing plant known for its unique botanical properties and medicinal potential. Within its chemical composition, the plant contains significant bioactive compounds such as Gracillin and various saponins. These specific substances are often studied for their therapeutic effects and biological activities. In certain traditional applications, extracts from this species are utilized to address skin conditions like itching. Understanding these chemical constituents provides insight into the plant's functional role in natural pharmacology.

Quick facts
Synonyms
Dioscorea Quinqueloba
Common names
Not available
Family
Dioscoreaceae
Distribution
Southern America
Plant Parts
Not available

Classification

Synonyms

Dioscorea quinquelobata is a botanical name that frequently appears in scientific literature regarding climbing vines. It is important to note that this species is also widely recognized by its synonym, Dioscorea quinqueloba. While the spelling may vary slightly between these two terms, they both refer to the same biological entity. Researchers and gardeners should treat these names as interchangeable to avoid confusion when identifying the plant. Understanding these taxonomic relationships ensures accuracy when studying the characteristics of this specific yam.

Sources: The World Checklist of Vascular Plants (WCVP)

Taxonomy

Dioscorea quinquelobata belongs to the expansive kingdom Plantae, marking its place within the diverse world of vegetation. As a member of the class Equisetopsida, this species follows a distinct evolutionary path shared by many flowering plants. It is further classified under the order Dioscoreales, which helps scientists understand its structural lineage. Within this order, the plant is a prominent representative of the family Dioscoreaceae. Ultimately, it finds its specific identity within the genus Dioscorea, grounding its biological classification.

Rank Classification
Kingdom Plantae
Phylum Streptophyta
Class Equisetopsida
Subclass Magnoliidae
Order Dioscoreales
Family Dioscoreaceae
Genus Dioscorea

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

Geographic Regions

Dioscorea quinquelobata is a plant species characterized by its widespread distribution across several regions within Asia-Temperate. It can be found extensively throughout China, particularly within the Southeast territories. The species also has a significant presence in Eastern Asia, spanning across Japan and the Korean Peninsula. Furthermore, its range extends to the specific island chains of Nansei-shoto. Together, these locations highlight the plant's broad ecological footprint throughout the temperate parts of the continent.

Sources: The World Checklist of Vascular Plants (WCVP)

Identification

Morphology

Dioscorea quinquelobata is characterized by its herbaceous growth form. This plant relies on an obligatory climbing habit to navigate its environment and reach necessary sunlight.

Sources: Global Inventory of Floras and Traits (GIFT)

Biological Activities

Compounds

Dioscorea quinquelobata is a notable plant species known for containing the significant saponin component known as gracillin. Scientific research has focused on this specific relationship to explore how the compound might influence skin health and inflammatory responses. In recent studies involving mice, gracillin was found to effectively reduce symptoms typical of atopic dermatitis, such as redness, swelling, and itching. Furthermore, the substance helped improve skin hydration and decreased transepidermal water loss during topical applications. These findings suggest that the gracillin found within the plant holds great promise as a potential treatment for various inflammatory skin disorders.

Conditions

Dioscorea quinquelobata exhibits significant therapeutic potential in treating various inflammatory skin disorders. Specifically, its main saponin component, gracillin, effectively treats 2,4-dinitrochlorobenzene-induced skin lesions by reducing symptoms like redness and swelling. The plant also works to treat AD-like skin lesions and provides a targeted approach to treating atopic dermatitis (AD). Furthermore, the extract demonstrates the ability to treat PI-induced IL-4 expression in both RBL-2H3 cells and mouse skin. These combined effects highlight the plant's utility in managing complex skin inflammation.

Preparations

Parts used