Cryptomeria japonica
Cryptomeria japonica · Accepted scientific name
Scientific literature: Very Sparse (0 studies) · ★☆☆☆☆
Cryptomeria japonica, commonly known as the Japanese cedar, is a magnificent evergreen conifer native to Japan. This botanical species is highly valued for its versatile components, including its bark, needles, and specialized wood oils. Scientific analysis has revealed that the plant contains significant bioactive compounds such as 6,7-dehydroferruginol, amentoflavone, catechin, and chlorogenic acid. These chemical constituents contribute to the plant's unique biological profile and potential medicinal properties. Consequently, various preparations derived from its different parts are utilized in both traditional and modern applications.
- Synonyms
- Cryptomeria Japonica Var. Fortunei · Cryptomeria Japonica Var. Pungens · 41 more
- Common names
- Not available
- Family
- Cupressaceae
- Distribution
- Northern America
- Plant Parts
- Not available
Classification
Common Names
Cryptomeria japonica is a remarkable conifer known by various regional names across different languages. In French-speaking areas, it is frequently referred to as the Cedre japonès. Spanish speakers commonly identify the species as either Cedro del Giappone or Cedro japonés. Moving into Welsh terminology, the plant is recognized as Cedrwydden Goch Japan. Finally, it may also be called Cochwydden Japan, reflecting the diverse linguistic landscape surrounding this tree.
Sources: Catalogue of Life (COL)
Synonyms
Cryptomeria japonica is a versatile conifer that is recognized by several different botanical names throughout various scientific records. This species is frequently identified by the synonym Cryptomeria araucarioides in certain taxonomic contexts. Researchers also encounter the plant under the name Cryptomeria compacta, which highlights its specific growth forms. Furthermore, the botanical literature includes synonyms such as Cryptomeria elegans and Cryptomeria fortunei to describe its diverse characteristics. Finally, the name Cryptomeria generalis serves as another historical synonym used to classify this widespread evergreen.
Sources: The World Checklist of Vascular Plants (WCVP)
Taxonomy
Cryptomeria japonica is a distinctive species that belongs to the vast kingdom Plantae. Within this kingdom, it is classified under the class Equisetopsida, marking its place among diverse vascular plants. It further descends through the order Pinales, a group known for its significant coniferous members. As a representative of the family Cupressaceae, it shares close evolutionary ties with other cypress-like trees. Ultimately, this plant is uniquely identified by its specific genus, Cryptomeria.
| Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Pinidae |
| Order | Pinales |
| Family | Cupressaceae |
| Genus | Cryptomeria |
Sources: The World Checklist of Vascular Plants (WCVP)
Distribution
Geographic Regions
Cryptomeria japonica exhibits a diverse geographical range that spans across several significant global regions. In Asia, this species is notably established within the temperate zones of South-Central China. Its reach extends further into Africa, where it can be found throughout various territories including Northern Africa and Tunisia. The plant also maintains a presence in Macaronesia and the Azores, showcasing its adaptability to different island environments. Furthermore, its distribution includes the Western Indian Ocean, specifically within the island nations of Mauritius and Réunion.
Sources: The World Checklist of Vascular Plants (WCVP)
Identification
Morphology
Cryptomeria japonica is a distinguished species characterized by its impressive tree growth form. As a robust and self-supporting plant, it stands firmly within its natural habitat. The height of these trees can vary significantly, with smaller specimens reaching a minimum of 6 meters. Most mature individuals typically grow to at least 17 meters in height. Under ideal conditions, these majestic trees can reach a maximum height of 40 meters.
Sources: Global Inventory of Floras and Traits (GIFT)
Biological Activities
Compounds
Cryptomeria japonica is a commercially significant tree native to Japan that serves as a rich source of various bioactive natural products. Chemical analysis of the species has identified several key constituents, including the biflavonoid amentoflavone and the flavanol catechin. Additionally, the plant contains the polyphenolic compound chlorogenic acid, which contributes to its complex chemical profile. Research into the bark has specifically highlighted the presence of the unique C(35) terpenoid cryptotrione, known for its anticancer properties. Furthermore, studies on the black heartwood of the tree have successfully isolated the known compound formosaninol.
Conditions
Cryptomeria japonica possesses bioactive properties that allow it to treat MOLM-13 leukemia cells through low-to-moderate cytotoxic activity. The plant also demonstrates significant anticancer activity, specifically through the novel C(35) terpenoid cryptotrione isolated from its bark. Beyond its medicinal potential, the tree plays a role in specific ecosystems, such as being planted in laurel forests. In these environments, it is associated with mossy areas of laurel forests where various fungal species are found. These diverse relationships highlight the plant's biological importance in both medical research and forest ecology.
Preparations
Cryptomeria japonica is prepared as bark to facilitate the isolation of unique abietane diterpenoids such as sugikurojins. The barks of this species also serve as a source for various chemical structures elucidated through extensive NMR experiments. Additionally, the plant is prepared as needles, which contain diverse metabolites like terpenoids and flavonoids that change based on seasonal variations. The species is further processed as wood oils, which are used as fragrance materials and are notably abundant in cadinane sesquiterpenoids. These various preparations highlight the chemical diversity found within different parts of the Cryptomeria japonica plant.