East Asian eurya
Eurya japonica · Accepted scientific name
Scientific literature: Very Sparse (24 studies) · ★☆☆☆☆
East Asian eurya, scientifically known as Eurya japonica, is an evergreen shrub native to Japan, Taiwan, and coastal China. Valued in traditional medicine, its leaves possess antioxidant and anti-inflammatory properties. Often used in herbal preparations, this resilient plant offers significant therapeutic potential for managing various health conditions naturally.
- Family
- Pentaphylacaceae
- Native range
- Asia-Temperate
- Parts used
- Leaf
- Common names
- Japanese Eurya
- Scientific synonyms
- Not available
Names and Synonyms
Common Names
- Japanese Eurya
Scientific Names
Accepted name
Eurya japonicaSources: 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. Within the order Ericales, it is classified under the family Pentaphylacaceae. Finally, its taxonomic identity is defined by the genus Eurya.
| Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Ericales |
| Family | Pentaphylacaceae |
| Genus | Eurya |
Sources: The World Checklist of Vascular Plants (WCVP)
Distribution
This plant is primarily found across several key regions of Eastern Asia. Its range includes the Nansei-shotō islands and the broader territory of Japan. It is also widely distributed throughout Korea. In mainland Asia, the species can be located in Southeast China. Finally, its geographical reach extends to the Indian Subcontinent, specifically within the Assam region.
| Region | Area |
|---|---|
| China | China Southeast |
| Eastern Asia | Japan |
| Eastern Asia | Korea |
| Eastern Asia | Nansei-shoto |
| Indian Subcontinent | Assam |
| Indian Subcontinent | East Himalaya |
| Indo-China | Vietnam |
Sources: The World Checklist of Vascular Plants (WCVP)
Botanical Identification
Life history
The life history of Eurya japonica is characterized by its status as a perennial species, ensuring its long-term presence within its natural ecosystem. In terms of its structural growth and survival strategies, the plant exhibits life forms categorized as both a phanerophyte and a nanophanerophyte. As a phanerophyte, it maintains its buds well above the ground level, protected by its woody structure, while its classification as a nanophanerophyte highlights its ability to maintain relatively small, shrub-like woody growth patterns that allow it to thrive in shaded or understory environments.
- Life form :
- nanophanerophyte
- Life form :
- phanerophyte
- Lifecycle :
- perennial
Morphology
The morphology of Eurya japonica is characterized by its robust, woody structure, functioning primarily as a self-supporting organism rather than a climber or liana. As a terrestrial species, it does not exhibit aquatic or semiaquatic tendencies, nor does it act as an epiphyte, maintaining a stable growth habit on the ground. Its growth form is categorized as a woody shrub or small tree, characterized by stiff, perennial branches that provide a sturdy, self-supporting framework. This woody development allows the plant to maintain a consistent upright stature within its habitat, distinguishing it from non-woody herbs or graminoids.
- Aquatic :
- terrestrial
- Climber :
- self-supporting
- Epiphyte :
- terrestrial
- Growth form :
- tree
- Growth form :
- shrub
- Woodiness :
- woody
Reproduction
Reproduction in Eurya japonica is characterized by the production of fleshy fruits that serve as the primary dispersal mechanism. Within these fruits, the seeds exhibit significant morphological variation in size. The seed volume is highly variable, ranging from a minimum of 0.9 mm³ to a maximum of 3.8 mm³, with an average seed volume of approximately 1.8 mm³. This range in volume suggests a diverse developmental process or varying levels of resource allocation during the maturation of the seeds within the fleshy fruit structure.
- Fruit dryness :
- fleshy
- Seed volume max:
- 3.8 mm³
- Seed volume mean:
- 1.8 mm³
- Seed volume min:
- 0.9 mm³
Sources: Global Inventory of Floras and Traits (GIFT)
Plant Parts
Eurya japonica 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 leaf.
| Plant part | Supporting sources | Consensus |
|---|---|---|
| Leaf | 1 supporting sources | ★☆☆☆☆ |
Leaf
- Evidence-based complementary and alternative medicine : eCAM
Chemicals
Eurya japonica has 1 reported phytochemicals identified across 1 scientific publications and several other databases. The most consistently reported chemicals include betulinic acid.
| Chemical | Supporting sources | Consensus |
|---|---|---|
| betulinic acid | 1 supporting sources | ★☆☆☆☆ |
betulinic acid
- Dr. Duke
Activities
Eurya japonica has 19 reported activities identified across 1 scientific publications and several other databases. The most consistently reported activities include Anthelmintic, AntiHIV, Antiangiogenic, Antibacterial, Anticancer.
| Activity | Supporting sources | Consensus |
|---|---|---|
| Anthelmintic | 1 supporting sources | ★☆☆☆☆ |
| AntiHIV | 1 supporting sources | ★☆☆☆☆ |
| Antiangiogenic | 1 supporting sources | ★☆☆☆☆ |
| Antibacterial | 1 supporting sources | ★☆☆☆☆ |
| Anticancer | 1 supporting sources | ★☆☆☆☆ |
| Anticarcinomic | 1 supporting sources | ★☆☆☆☆ |
| Antiedemic | 1 supporting sources | ★☆☆☆☆ |
| Antiinflammatory | 1 supporting sources | ★☆☆☆☆ |
| Antileukemic | 1 supporting sources | ★☆☆☆☆ |
| Antimalarial | 1 supporting sources | ★☆☆☆☆ |
Anthelmintic
- Dr. Duke
AntiHIV
- Dr. Duke
Antiangiogenic
- Evidence-based complementary and alternative medicine : eCAM
Antibacterial
- Dr. Duke
Anticancer
- Dr. Duke
Anticarcinomic
- Dr. Duke
Antiedemic
- Dr. Duke
Antiinflammatory
- Dr. Duke
Antileukemic
- Dr. Duke
Antimalarial
- Dr. Duke
Medicinal Uses
Eurya japonica has 3 reported medicinal uses identified across 1 scientific publications and several other databases. The most consistently reported uses include cancer, diabetic retinopathy, macular degeneration.
Most Reported Uses
| Use | Sources | Consensus |
|---|---|---|
| cancer | Evidence-based complementary and alternative medicine : eCAM (and other 1 sources) | ★☆☆☆☆ |
| diabetic retinopathy | Evidence-based complementary and alternative medicine : eCAM (and other 1 sources) | ★☆☆☆☆ |
| macular degeneration | Evidence-based complementary and alternative medicine : eCAM (and other 1 sources) | ★☆☆☆☆ |