Diospyros japonica

Names and Synonyms

Scientific Names

Accepted name

Distribution

This plant exhibits a broad geographical distribution across several key regions in East Asia. Within China, it is primarily found throughout the South-Central and Southeast territories. The species is also widely distributed across the islands of Japan. Furthermore, its range extends into the Nansei-shoto archipelago. Together, these locations define the natural habitat where Diospyros japonica thrives.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Diospyros japonica is characterized by its specific distribution across montane landscapes, where it thrives within a distinct altitudinal niche. This species is primarily found in mid-to-high elevation habitats, occupying an elevational range that begins at a minimum of 800 m AMSL. Within these mountainous ecosystems, the plant maintains a mean elevation of 1250 m AMSL, suggesting a preference for temperate or subtropical montane forest conditions. The upper limits of its ecological tolerance extend significantly higher, reaching a maximum elevation of 1700 m AMSL, which defines the vertical boundaries of its environmental niche.

Elevational range max:

1700 m AMSL

Elevational range mean:

1250 m AMSL

Elevational range min:

800 m AMSL

Life history

The life history of Diospyros japonica is characterized by its classification as a phanerophyte, specifically manifesting as both a phanerophyte and a nanophanerophyte depending on the specific growth stage and environmental conditions. As a phanerophyte, the plant maintains its perennating buds well above the soil surface, typically on woody branches, which allows it to survive seasonal fluctuations and environmental stresses through its robust structural architecture. This life form strategy enables the species to establish a long-lived woody perennial habit, utilizing its elevated bud positions to navigate various climatic cycles. The developmental trajectory of the plant involves a transition through these life forms to ensure long-term persistence in its native habitat, relying on its woody stem structure to protect vital meristematic tissues throughout its life cycle.

Life form :

phanerophyte

Morphology

The morphology of Diospyros japonica is characterized by its growth form as a woody tree, exhibiting a robust and self-supporting structure. As a terrestrial species, it does not exhibit aquatic or semiaquatic tendencies, nor does it function as an epiphyte. The plant maintains an independent existence, functioning as a non-parasitic organism that does not rely on a host for survival. Its development is defined by its woody nature, providing the necessary structural integrity for its tree-like habit rather than behaving as a climber, liana, or vine.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

tree

Parasite :

independent

Woodiness :

woody

Reproduction

The reproduction of Diospyros japonica is characterized by the production of fleshy fruits that serve as the primary vessel for seed dispersal. The fruit exhibits a fleshy texture, which is a critical component in its reproductive strategy to attract dispersers. Within these fruits, the seeds are contained with highly consistent dimensions; specifically, the seed volume is uniform, maintaining a minimum, maximum, and mean volume of exactly 270 mm³. This precise seed size ensures a standardized energy reserve for the developing embryo, supporting the plant's ability to establish itself following the consumption of its fleshy fruit.

Fruit dryness :

fleshy

Seed volume max:

270 mm³

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Diospyros japonica has 2 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include Betulin, betulinic acid.

Betulin

1. Dr. Duke

betulinic acid

1. Dr. Duke

Activities

Diospyros japonica has 23 reported activities identified across 0 scientific publications and several other databases. The most consistently reported activities include Anthelmintic, AntiHIV, Antibacterial, Anticancer, Anticarcinomic.

Anthelmintic

1. Dr. Duke

AntiHIV

1. Dr. Duke

Antibacterial

1. Dr. Duke

Anticancer

1. Dr. Duke

Anticarcinomic

1. Dr. Duke

Antiedemic

1. Dr. Duke

Antifeedant

1. Dr. Duke

Antiflu

1. Dr. Duke

Antiinflammatory

1. Dr. Duke

Antileukemic

1. Dr. Duke