Larix kaempferi
Larix kaempferi · Accepted scientific name
Scientific literature: Very Sparse (5 studies) · ★☆☆☆☆
Larix kaempferi is a significant botanical species that has garnered scientific interest due to its diverse therapeutic potential. Research focusing on its root and seed components has revealed powerful antimicrobial, cytotoxic, and anticancer activities. Specifically, extracts from the bark and trunk, including methanol and ethyl acetate preparations, have shown efficacy against pathogens like Candida albicans and Cryptococcus neoformans. The medicinal properties of this plant are driven by unique chemical compounds such as Methyl pseudolarate A and B, PseudoLarix acid B, and various pseudolaric acid derivatives. These bioactive constituents play a critical role in addressing complex biological processes, including the inhibition of angiogenesis in cancer cells.
- Synonyms
- Larix Leptolepis Var. Minor · Larix Orientalis · 17 more
- Common names
- Not available
- Family
- Pinaceae
- Distribution
- Not available
- Plant Parts
- Root · Seed
Classification
Common Names
Larix kaempferi is a versatile conifer that is recognized by several different common names across various regions. In English-speaking contexts, it is most frequently referred to as the Japanese larch, though it is sometimes called the Japanse larix. German speakers may identify the species as either Japanische Lärche or the variation Japanische Laerche. Additionally, the plant is occasionally known by the name Goudlork in specific botanical circles. Understanding these various nomenclature relationships is essential for accurate identification in global forestry.
Sources: Catalogue of Life (COL)
Synonyms
Larix kaempferi is a complex species known to be associated with several botanical synonyms in taxonomic records. It has historically been linked to names such as Abies kaempferi and Abies leptolepis. Furthermore, the plant is identified in certain contexts by the synonym Laricopsis kaempferi. The species also encompasses specific forms, including the pendulous Larix kaempferi f. pendula. Finally, the reddish variation known as Larix kaempferi f. rubescens is recognized as a formal synonym within its classification.
Sources: The World Checklist of Vascular Plants (WCVP)
Taxonomy
Larix kaempferi is a distinctive species that belongs to the kingdom Plantae. Within this vast biological realm, it is classified under the class Equisetopsida. It further falls into the order Pinales, showcasing its evolutionary connections to other conifers. As a member of the genus Larix, it maintains a specific identity among its botanical relatives. Finally, this plant is a prominent representative of the family Pinaceae.
| Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Pinidae |
| Order | Pinales |
| Family | Pinaceae |
| Genus | Larix |
Sources: The World Checklist of Vascular Plants (WCVP)
Distribution
Geographic Regions
Larix kaempferi is a versatile conifer with a broad geographical presence stretching across much of the Northern Hemisphere. Its native range is firmly rooted in the Asia-Temperate regions, specifically throughout China, Inner Mongolia, Japan, and Korea. Beyond its East Asian origins, this species has successfully established itself within Western Asia, reaching into parts of Türkiye. The plant's adaptability is further evidenced by its distribution into the European continent, particularly within the Baltic States of Eastern Europe. This wide-ranging presence highlights the species' ability to thrive in diverse temperate climates across multiple continents.
Sources: The World Checklist of Vascular Plants (WCVP)
Identification
Morphology
Larix kaempferi is a self-supporting tree that exhibits a robust and sturdy growth form. This species can reach impressive dimensions in the wild, typically attaining a maximum height of 30 m. Under optimal conditions, however, some specimens may extend even further to reach a maximum height of 35 m. Its structural integrity allows it to stand tall as a prominent feature of its natural landscape.
Sources: Global Inventory of Floras and Traits (GIFT)
Biological Activities
Larix kaempferi, also known as Pseudolarix kaempferi, possesses a diverse range of pharmacological properties that make it a significant subject of medicinal research. Scientific studies have demonstrated that various compounds isolated from its twigs and bark exhibit notable antimicrobial activity against pathogens such as Staphylococcus aureus and Candida albicans. Furthermore, the plant contains several bioactive diterpenoids and lignans that have shown significant cytotoxic effects across multiple human cell lines. These cytotoxic properties contribute to its broader potential as a source of potent anticancer agents. By leveraging these complex chemical structures, researchers continue to explore the plant's ability to combat malignancy and inflammatory diseases.
Compounds
Larix kaempferi is a significant source of diverse bioactive diterpenoids, particularly within its bark and root structures. Research has identified several specific compounds within the plant, including 11S-deacetylpseudolaric acid A and deacetylpseudolaric acid C2. Furthermore, the species contains methyl pseudolarate A and methyl pseudolarate B, which contribute to its complex chemical profile. The plant also yields pseudolarix acid B, a compound noted for its potential anti-angiogenic properties. Together, these chemical relationships highlight the medicinal importance of the species in pharmacological studies.
Conditions
Larix kaempferi demonstrates significant therapeutic potential through its various biological activities against diverse pathogens and cell lines. Compounds derived from the plant exhibit antimicrobial properties that effectively treat Candida albicans. Additionally, certain abietane-type diterpene acids from its leaves treat 12-O-tetradecanoylphorbol 13-acetate (TPA)-induced Epstein-Barr virus early antigen (EBV-EA) activation. The plant's isolated lignans and terpenoids also show potent cytotoxic effects used to treat cancer cell lines such as A549 and B16. Furthermore, these bioactive substances are effective in treating the BEL-7402 cell line.
Preparations
Larix kaempferi is prepared as bark, which serves as a primary source for isolating various cytotoxic diterpenoids. The plant is also prepared as extracts of the root and trunk barks, which are utilized in Chinese medicine for treating fungal infections. Scientific studies have further utilized Larix kaempferi prepared as methanol and ethyl acetate extracts to demonstrate high efficacy as antiparasitic agents. Additionally, the species is prepared as crude drugs, though commercial samples have been noted to face quality confusion. Finally, Larix kaempferi is prepared as pseudolarix acids A and B, which are investigated for their potential in developing anti-fertility drugs.
Parts used
Larix kaempferi is a medicinal plant that offers significant therapeutic potential through various biological components. Research highlights that the root bark of this species contains bioactive diterpenoids, such as pseudolaric acid B, which possess anti-inflammatory and anti-fungal properties. Additionally, the plant's seeds serve as a rich source for the isolation of novel triterpene lactones, including pseudolarolides A through D. These seed-derived compounds have demonstrated notable cytotoxic activity against several human cancer cell lines. By utilizing both the roots and seeds, scientists continue to uncover new chemical structures that may aid in treating metabolic and pathophysiological disorders.