Dioscorea caucasica

Names and Synonyms

Scientific Names

Accepted name

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae and is classified within the phylum Streptophyta and the class Equisetopsida. It falls under the subclass Magnoliidae and the order Dioscoreales, specifically within the family Dioscoreaceae. Finally, its taxonomic identity is defined by its placement in the genus Dioscorea.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant is native to the specific mountainous regions of the Caucasus. Its presence is primarily documented within the North Caucasus area. Additionally, it can be found extending into the Transcaucasus region. These two distinct zones define its natural geographical range. Consequently, the species is highly characteristic of this particular Caucasian landscape.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Dioscorea caucasica is characterized by its preference for sheltered, shaded environments within complex vegetation structures. It is primarily found inhabiting forest ecosystems and dense shrubberies, where the canopy provides the necessary filtered light and high humidity levels required for its growth. These habitats offer a stable microclimate, protecting the plant from extreme temperature fluctuations and intense direct solar radiation. By growing amidst forest undergrowth and shrubby thickets, the species benefits from the nutrient-rich organic matter found in the leaf litter and the structural support provided by surrounding woody vegetation, which facilitates its climbing or creeping growth habits.

Habitat :

forest, shrubberies

Life history

The life history of Dioscorea caucasica is characterized by a perennial lifecycle, allowing the plant to persist through multiple growing seasons. As a member of the cryptophyte group, it employs specialized strategies to survive unfavorable environmental conditions by keeping its regenerative organs protected underground. Specifically, its life form is classified as a geophyte, meaning it relies on underground storage organs, such as tubers, to endure periods of dormancy and sustain itself during its long-term existence in its natural habitat.

Life form :

geophyte

Life form :

cryptophyte

Lifecycle :

perennial

Morphology

The morphology of Dioscorea caucasica is characterized by its life form as a non-woody herb that functions as an obligatory climber, utilizing surrounding structures for vertical support. As an independent organism, it does not exhibit parasitic behavior, relying instead on its own metabolic processes for nutrition. The plant is terrestrial in its growth habit, establishing itself in soil-based environments rather than living as an epiphyte.

Climber :

obligatory

Epiphyte :

terrestrial

Growth form :

herb

Parasite :

independent

Woodiness :

non-woody

Reproduction

The reproduction of Dioscorea caucasica is characterized by a specific seasonal flowering cycle that facilitates its sexual reproduction process. The flowering period for this species typically begins in July and continues through the late summer months, reaching its conclusion in September. This window of activity ensures that the plant's reproductive structures are active during the peak of the growing season, allowing for pollination and subsequent seed development within this defined timeframe.

Flowering time :

Jul

Flowering time :

Sep

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Dioscorea caucasica has 1 reported plant parts identified across 1 scientific publications and several other databases that are studied for medicinal purposes. The most consistently reported plant part include rhizome.

Rhizome

1. Prikladnaia biokhimiia i mikrobiologiia

Chemicals

Dioscorea caucasica has 1 reported phytochemicals identified across 1 scientific publications and several other databases. The most consistently reported chemicals include Deltonin.

Deltonin

1. Prikladnaia biokhimiia i mikrobiologiia

Preparations

Dioscorea caucasica has 1 reported preparations identified across 1 scientific publications and several other databases. The most consistently reported preparations include rhizomes.

Rhizomes

1. Prikladnaia biokhimiia i mikrobiologiia