Magnolia sieboldii
Magnolia sieboldii · Accepted scientific name
Scientific literature: Very Sparse (0 studies) · ★☆☆☆☆
Magnolia sieboldii is a distinct botanical species known for its unique chemical profile and medicinal potential. The plant contains specific bioactive compounds, most notably costunolide and syringin 4-O-beta-glucoside. Researchers often focus on the stem as a primary source of these valuable constituents. Specifically, the preparations derived from the stem bark are of significant interest in scientific studies. Understanding these components provides deeper insight into the plant's complex biological properties.
- Synonyms
- Oyama Sieboldii
- Common names
- Not available
- Family
- Magnoliaceae
- Distribution
- Asia-Tropical
- Plant Parts
- Stem
Classification
Common Names
Magnolia sieboldii is a versatile plant known by several distinct common names depending on the region. It is frequently referred to as the Oyama magnolia or the Siebold manolyası in various botanical circles. Gardeners may also encounter it under the names buskmagnolia or junimagnolia when browsing nurseries. Additionally, some enthusiasts simply call it the magnolia Siebolda to honor its origins. These diverse names all point to the same beautiful species, reflecting its widespread recognition in the horticultural world.
Sources: Catalogue of Life (COL)
Synonyms
Magnolia sieboldii is a captivating species that is frequently referred to by its synonym, Oyama sieboldii. This botanical nomenclature can often cause confusion for gardeners and researchers alike. Understanding these synonymous relationships is essential for accurately identifying the plant in various scientific texts. Whether you encounter it under either name, the plant remains a distinctive member of its genus. Recognizing these linguistic variations ensures a more seamless experience in the world of horticulture.
Sources: The World Checklist of Vascular Plants (WCVP)
Taxonomy
Magnolia sieboldii is a distinguished member of the kingdom Plantae. Within this vast biological realm, it is classified under the class Equisetopsida. This species belongs to the order Magnoliales, showcasing its evolutionary lineage. It further resides within the family Magnoliaceae, a group known for its striking blooms. Ultimately, it is identified by its specific genus, Magnolia.
| Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Magnoliales |
| Family | Magnoliaceae |
| Genus | Magnolia |
Sources: The World Checklist of Vascular Plants (WCVP)
Distribution
Geographic Regions
Magnolia sieboldii is a resilient species primarily distributed across the diverse landscapes of Asia-Temperate regions. Within China, its presence is widespread, spanning from the North-Central provinces to the South-Central and Southeast territories. The plant also finds a suitable home in the northern reaches of Manchuria. Beyond mainland China, its natural range extends eastward into the unique ecosystems of Japan. This broad distribution highlights the plant's ability to thrive across various East Asian climates.
Sources: The World Checklist of Vascular Plants (WCVP)
Identification
Morphology
Magnolia sieboldii is a self-supporting tree characterized by its elegant and sturdy growth form. This species typically reaches a moderate stature, with a minimum height of 5 meters. Under ideal conditions, it can continue to grow until it reaches a maximum height of 10 meters. Its reliable structure makes it a distinguished addition to any landscape seeking a medium-sized canopy.
Sources: Global Inventory of Floras and Traits (GIFT)
Biological Activities
Compounds
Magnolia sieboldii serves as a rich botanical source for several bioactive compounds identified within its stem bark. Scientific analysis has confirmed that this plant contains the sesquiterpene lactone costunolide, which has demonstrated significant potential in inhibiting farnesylation processes. Furthermore, research highlights the presence of syringin 4-O-beta-glucoside, a newly identified phenylpropanoid glycoside found in the same species. The costunolide isolated from the plant also exhibits strong inhibitory activity against nitric oxide synthase in murine macrophages. Together, these chemical constituents underscore the complex pharmacological profile offered by Magnolia sieboldii.
Conditions
Magnolia sieboldii contains costunolide, a sesquiterpene that inhibits RAS-farnesyl-protein transferase. This inhibition extends to the farnesylation process of human lamin-B by farnesyl-protein transferase (FPTase) in a dose-dependent manner. Furthermore, the plant's genetic components play a role in addressing developmental issues, as seen through its signaling pathways. Specifically, overexpressing the MsARF5 gene from the plant can restore many developmental defects found in Arabidopsis mutants. These combined biochemical and genetic properties highlight the diverse biological impacts of Magnolia sieboldii.
Preparations
Magnolia sieboldii is prepared as stem bark to extract bioactive compounds like costunolide and syringin 4-O-beta-glucoside. The stem bark serves as a source for costunolide, a germacrane sesquiterpene lactone that inhibits the farnesylation process of human lamin-B. Additionally, this specific plant material yields syringin 4-O-beta-glucoside, a newly identified phenylpropanoid glycoside. Research indicates that costunolide derived from the stem bark also functions as a nitric oxide synthase inhibitor. These chemical properties are directly linked to the medicinal components isolated from the Magnolia sieboldii stem bark.
Parts used
Magnolia sieboldii serves as a significant botanical source for several bioactive compounds, particularly those derived from its stem bark. One such notable substance is costunolide, a germacrane sesquiterpene lactone isolated directly from the plant's stem. This specific compound has demonstrated a powerful ability to inhibit the RAS-farnesyl-protein transferase process in human cells. Additionally, research indicates that costunolide may suppress the proliferation of various human tumor cell lines in vitro. Beyond these effects, the stem bark also yields syringin 4-O-beta-glucoside, highlighting the diverse chemical potential found within the plant's structural components.