Diplospora dubia
Diplospora dubia · Accepted scientific name
Scientific literature: Very Sparse (0 studies) · ★☆☆☆☆
Diplospora dubia is a botanical species that has garnered scientific interest due to its unique chemical profile. Researchers have specifically identified the presence of Sammangaoside B within this plant. Studies involving the MeOH extract of its leaves have provided valuable insights into its biological properties. Furthermore, investigations into the plant's wood have contributed to a more comprehensive understanding of its composition. This combination of chemical constituents makes the species a significant subject for pharmacological exploration.
- Synonyms
- Canthium Dubium · Canthium Viridiflorum · 12 more
- Common names
- Not available
- Family
- Rubiaceae
- Distribution
- Asia-Temperate
- Plant Parts
- Leaf
Classification
Common Names
Diplospora dubia is a versatile plant known by a diverse array of regional and linguistic names. In certain areas, it is commonly referred to as Common Tricalysia, while in others, it is identified as dvojsemienka pochybná. Its cultural presence is further highlighted by names such as gou gu chai and 狗骨仔, which reflect its usage in various traditions. Even in different writing systems, it is recognized by the Japanese name シロミミズ. This variety of nomenclature underscores the widespread botanical significance of the species across different parts of the world.
Sources: Catalogue of Life (COL)
Synonyms
Diplospora dubia is a botanical species that has been documented under several different scientific names throughout history. It is formally recognized as a synonym for various taxa, including Canthium dubium and Canthium viridiflorum. Furthermore, this plant shares taxonomic identities with Diplospora buisanensis and Diplospora tanakae. The species is also linked to the name Diplospora viridiflora in various botanical records. Understanding these complex synonymies is essential for maintaining accurate classification within the genus.
Sources: The World Checklist of Vascular Plants (WCVP)
Taxonomy
Diplospora dubia is a unique botanical specimen that belongs to the vast kingdom Plantae. Within this expansive group, the plant is classified under the class Equisetopsida. It further falls into the order Gentianales, showcasing its specific evolutionary lineage. As a member of the genus Diplospora, it occupies a distinct niche in the natural world. Finally, its taxonomic identity is completed by its placement within the family Rubiaceae.
| Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Gentianales |
| Family | Rubiaceae |
| Genus | Diplospora |
Sources: The World Checklist of Vascular Plants (WCVP)
Distribution
Geographic Regions
Diplospora dubia is a plant species primarily distributed across various temperate regions of Asia. Its range extends significantly through China, specifically within the South-Central and Southeast territories. The species is also found on the island of Hainan, highlighting its presence in diverse Chinese landscapes. Moving eastward, its distribution reaches into Japan, covering parts of the Eastern Asian region. Furthermore, the plant can be located within the Nansei-shoto islands, completing its broad geographic footprint.
Sources: The World Checklist of Vascular Plants (WCVP)
Identification
Morphology
Diplospora dubia is characterized by its distinct tree-like growth form. This species is entirely self-supporting, allowing it to maintain its structure independently within its environment.
Sources: Global Inventory of Floras and Traits (GIFT)
Biological Activities
Compounds
Diplospora dubia serves as a significant source of diverse secondary metabolites within botanical research. Chemical investigations of this species have successfully identified the presence of the megastigmane glucoside known as sammangaoside B. Additionally, the plant contains the rearranged ent-kaurane glycoside identified as tricalysioside A. These compounds were isolated through the analysis of leaf extracts, utilizing advanced spectroscopic and crystallographic methods for structural elucidation. Such findings highlight the complex chemical profile inherent to the species.
Conditions
Preparations
Diplospora dubia is prepared as a MeOH extract to facilitate the isolation of ent-kaurane and labdane glucosides. This specific extraction method allows for the separation of 1-BuOH-soluble fractions containing various glycosides. Additionally, Diplospora dubia is prepared as wood to extract rearranged ent-kaurane diterpenoid alkaloids. These alkaloids, known as tricalysiamides A-D, possess a unique cafestol-type carbon framework. The study of these two different preparation methods provides essential insights into the chemical composition of the plant.
Parts used
Diplospora dubia, also referred to as Tricalysia dubia, serves as a significant source for the isolation of various complex chemical compounds. Scientific investigations have focused specifically on the leaf component of this plant to extract valuable secondary metabolites. Researchers successfully identified several ent-kaurane glucosides and a specific labdane glucoside from the leaf extracts. Through extensive work on methanol extracts, multiple new compounds and known megastigmane glucosides were meticulously isolated. These findings highlight the rich chemical diversity found within the foliage of this particular species.