Dioscorea cotinifolia

Dioscorea cotinifolia · Accepted scientific name

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

Dioscorea cotinifolia is a climbing vine belonging to the yam family that is often recognized for its distinctive foliage and trailing growth habit. While many members of the Dioscorea genus are studied for their medicinal properties, specific research into this species focuses on its unique biochemical profile. Recent scientific inquiries have explored how certain plant extracts might interact with resistant pathogens, including those associated with MRSA. Understanding these complex interactions is vital for discovering new botanical compounds that could combat antibiotic-resistant bacteria. Consequently, this plant remains a subject of interest for researchers investigating natural alternatives in the fight against superbugs.

Quick facts
Synonyms
Dioscorea Malifolia
Common names
Not available
Family
Dioscoreaceae
Distribution
Not available
Plant Parts
Not available

Classification

Common Names

Dioscorea cotinifolia is a versatile plant known by a wide variety of regional and local names. It is commonly referred to as the Wild yam, a name that highlights its botanical identity. In certain areas, people may call it Intane or intana, depending on the specific dialect used. It is also frequently identified by the names Olifantsvoet and umhlabadabuka. These diverse monikers reflect the deep cultural and linguistic connections people have with this species.

Sources: Catalogue of Life (COL)

Synonyms

Dioscorea cotinifolia is a unique botanical species that is often recognized by different names within scientific literature. In various taxonomic studies, this plant is also referred to by its synonym, Dioscorea malifolia. Understanding these nomenclatural connections is essential for researchers tracking the plant's distribution and characteristics. Such synonymy ensures that data collected under different labels can be accurately consolidated. Consequently, identifying these relationships helps maintain clarity in the complex study of plant biodiversity.

Sources: The World Checklist of Vascular Plants (WCVP)

Taxonomy

Dioscorea cotinifolia is a unique botanical specimen belonging to the vast kingdom Plantae. Within this kingdom, it is classified under the class Equisetopsida, highlighting its fundamental structural characteristics. The plant is further organized into the order Dioscoreales, which defines its specific evolutionary lineage. It also falls under the family Dioscoreaceae, a group of plants that share distinct morphological traits. Ultimately, it is identified by its specific genus, Dioscorea, which places it within a well-recognized group of climbing vines.

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 cotinifolia is a plant species widely distributed across various regions of the African continent. Its presence is notably established throughout Southern Africa, spanning several key territories. Within this region, it can be found in the Cape Provinces and the Northern Provinces. The species also inhabits the landscapes of Eswatini and the KwaZulu-Natal area. Additionally, its natural range extends into the tropical reaches of Mozambique.

Sources: The World Checklist of Vascular Plants (WCVP)

Identification

Morphology

Dioscorea cotinifolia is a distinct herbaceous plant characterized by its obligatory climbing habit. As it seeks support to ascend, this species typically reaches a height ranging from a minimum of 2 meters to a maximum of 4 meters. This vigorous growth pattern allows it to navigate its environment effectively while maintaining its structural integrity. Such physical attributes make it a notable specimen within its specific ecological niche.

Sources: Global Inventory of Floras and Traits (GIFT)

Biological Activities

Compounds

Conditions

Dioscorea cotinifolia contains diarylnonanoids that exhibit potent antibiotic-potentiating activity against resistant strains of S. aureus, including MRSA. These specific constituents demonstrate significant tetracycline-potentiating activity, with certain chiral versions showing even greater effectiveness. Additionally, the plant provides compounds that facilitate norfloxacin-potentiating activity. This action is further supported by the plant's ability to provide efflux pump inhibitory activity. Together, these properties highlight the plant's potential in addressing antibiotic resistance.

Preparations

Parts used