Osmunda japonica
Asian royal fern
Osmunda japonica, commonly known as the Japanese royal fern, is a striking perennial plant native to East Asia. Renowned for its elegant, feathery fronds, it thrives in moist, shaded environments. Beyond its ornamental beauty, this species holds significant cultural value and traditional medicinal uses in various Asian herbal practices.
- Scientific name: Osmunda japonica
- Family: Osmundaceae
- Native range: Asia-Temperate
Taxonomical Classification
This plant belongs to the kingdom Plantae and is classified under the phylum Streptophyta within the class Equisetopsida. It falls under the subclass Polypodiinae and the order Osmundales, specifically within the family Osmundaceae. Finally, its scientific designation is placed within the genus Osmunda.
| Rank | Classification | Source |
|---|---|---|
| Kingdom | Plantae | WCVP |
| Phylum | Streptophyta | WCVP |
| Class | Equisetopsida | WCVP |
| Subclass | Polypodiinae | WCVP |
| Order | Osmundales | WCVP |
| Family | Osmundaceae | WCVP |
| Genus | Osmunda | WCVP |
Common Names
This plant, known scientifically as Osmunda japonica, is recognized by various common names depending on the region and language. In Chinese, it is referred to as 紫萁 (zh-hans/zh) or 紫萁 (zh-tw), while in Japanese, it is widely known as ゼンマイ (ja). Additionally, in Persian, it is called اسمندا جاپنیکا (fa).| Language | Common Name | Source |
|---|---|---|
| zh-hans | 紫萁 | Wikidata |
| zh | 紫萁 | Wikidata |
| ja | ゼンマイ | Wikidata |
| fa | اسمندا جاپنیکا | Wikidata |
| zh-tw | 紫萁 | Wikidata |
| ko | 고비 | Wikidata |
| arz | اوسموندا جابونيكا | Wikidata |
| zh-cn | 紫萁 | Wikidata |
| en-gb | Asian royal fern | Wikidata |
| en-gb | Japanese royal fern | Wikidata |
Distribution
This plant exhibits a broad distribution across several distinct regions in East Asia. In the Russian Far East, its range extends to the Kuril Islands and Sakhalin. Within China, it is widely spread across the North-Central territories. Furthermore, the species can be found throughout the South-Central regions of the country. Finally, its presence is also established in the Southeast portions of China.
| Region | Area | Source |
|---|---|---|
| Russian Far East | Kuril Is. | WCVP |
| Russian Far East | Sakhalin | WCVP |
| China | China South-Central | WCVP |
| China | China North-Central | WCVP |
| China | China Southeast | WCVP |
| China | Tibet | WCVP |
| Eastern Asia | Japan | WCVP |
| Eastern Asia | Korea | WCVP |
| Eastern Asia | Nansei-shoto | WCVP |
| Eastern Asia | Taiwan | WCVP |
Plant Parts
This plant, known scientifically as Osmunda japonica, is a versatile medicinal herb widely utilized in traditional practices. The most significant part of the plant used for therapeutic purposes is its rhizomes, which are harvested and processed to create various remedies. These underground stems contain the concentrated bioactive compounds necessary for its healing properties, making the rhizomes the primary component when preparing this medicinal herb.- Total parts
- 2
- Scientific sources
- 2
| Plant Part | Sources | Confidence |
|---|---|---|
| rhizomes | 1 | ★☆☆☆☆ |
| medicinal herb | 1 | ★☆☆☆☆ |
Chemicals
Osmunda japonica has 3 reported phytochemicals identified across 3 scientific publications and several other databases. The most consistently reported chemicals include 4-hydroxybenzalacetone, 4-hydroxybenzaldehyde, dryocrassin.
- Total chemicals
- 3
- Scientific sources
- 3
Most Reported Compounds
| Compound | Sources | Confidence |
|---|---|---|
| 4-hydroxybenzalacetone | 1 | ★☆☆☆☆ |
| 4-hydroxybenzaldehyde | 1 | ★☆☆☆☆ |
| dryocrassin | 1 | ★☆☆☆☆ |
Medicinal Uses
Osmunda japonica has 1 reported medicinal uses identified across 1 scientific publications and several other databases. The most consistently reported uses include HSV-2.
- Total uses
- 1
- Scientific sources
- 1
Most Reported Uses
| Use | Sources | Confidence |
|---|---|---|
| HSV-2 | 1 | ★☆☆☆☆ |