Dioscorea spongiosa

Names and Synonyms

Scientific Names

Accepted name

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae and the phylum Streptophyta, falling under the class Equisetopsida and subclass Magnoliidae. It is further classified within the order Dioscoreales and the family Dioscoreaceae. Ultimately, it is identified by the genus Dioscorea as Dioscorea spongiosa.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a specific range of occurrence within the diverse landscapes of China. Its primary distribution is concentrated in the South-Central region of the country. Additionally, the species can be found extending into the Southeast part of China. These distinct areas highlight its preference for certain regional climates and topographies. Consequently, its geographical footprint is limited to these specific southeastern and south-central territories.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Life history

The life history of Dioscorea spongiosa is characterized by a specialized survival strategy adapted to seasonal environmental changes, functioning primarily as a geophyte. As a member of the cryptophyte group, the plant ensures its long-term persistence by protecting its vital organs underground during unfavorable periods. This life cycle involves the development of specialized storage organs, such as tubers, which allow the plant to remain dormant when conditions are suboptimal and rapidly emerge when favorable moisture and temperature levels are met. During its active growing phase, it utilizes these subterranean reserves to support rapid vegetative growth, often climbing or sprawling as it seeks light. The transition between its dormant state and its active period is a critical component of its biological rhythm, enabling it to thrive in ecosystems where surface conditions fluctuate significantly.

Life form :

geophyte

Life form :

cryptophyte

Morphology

The morphology of Dioscorea spongiosa is characterized by its growth habit as an obligatory climber, utilizing specialized structures to ascend towards light. It functions as an independent organism, showing no parasitic tendencies toward host plants, and maintains a terrestrial existence, rooting firmly in the soil rather than living as an epiphyte. In terms of its structural composition, the plant exhibits a non-woody nature, possessing flexible, herbaceous stems that lack true woody tissue.

Climber :

obligatory

Epiphyte :

terrestrial

Parasite :

independent

Woodiness :

non-woody

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Dioscorea spongiosa 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. Journal of natural products

Chemicals

Dioscorea spongiosa has 14 reported phytochemicals identified across 1 scientific publications and several other databases. The most consistently reported chemicals include Dioscin, DIOSGENIN, Gracillin, Hypoglaucin G, Methyl protodioscin.

Dioscin

1. Journal of ethnopharmacology
2. Molecules (Basel, Switzerland)

DIOSGENIN

1. Journal of ethnopharmacology

Gracillin

1. Molecules (Basel, Switzerland)

Hypoglaucin G

1. Journal of natural products

Methyl protodioscin

1. Molecules (Basel, Switzerland)

Protodioscin

1. Molecules (Basel, Switzerland)

Protogracillin

1. Molecules (Basel, Switzerland)

Spongioside A

1. Journal of natural products

Spongioside B

1. Journal of natural products

Spongipregnoloside A

1. Journal of natural products

Conditions

Dioscorea spongiosa has 2 reported investigations on conditions identified across 1 scientific publications and several other databases. The most consistently reported conditions include hyperuricemia, xanthine oxidase.

Hyperuricemia

1. Journal of ethnopharmacology

Xanthine oxidase

1. Molecules (Basel, Switzerland)

Preparations

Dioscorea spongiosa has 1 reported preparations identified across 1 scientific publications and several other databases. The most consistently reported preparations include A water extract of the rhizomes of Dioscorea spongiosa.

A water extract of the rhizomes of dioscorea spongiosa

1. Journal of natural products