Sagittaria pygmaea

Sagittaria pygmaea · Accepted scientific name

Scientific literature: Very Sparse (1 studies) · ★☆☆☆☆

Sagittaria pygmaea is a unique botanical species recognized for its specific therapeutic potential. When utilized in its whole herb form, this plant serves as a valuable resource in traditional applications. Research highlights its significant antibacterial activities, making it a subject of interest for natural medicine. By leveraging the entire plant, practitioners can access a complex profile of bioactive compounds. Understanding its medicinal properties offers new insights into the diverse capabilities of aquatic flora.

Quick facts
Synonyms
Hydrolirion Coreanum · Blyxa Coreana · 3 more
Common names
Not available
Family
Alismataceae
Distribution
Not available
Plant Parts
Not available

Classification

Common Names

Sagittaria pygmaea is a fascinating aquatic plant known by several different names across various cultures and languages. In English, it is most frequently referred to as either the dwarf arrowhead or the pygmy arrowhead. Those searching for its local identity in the Netherlands may recognize it as Dwergpijlkruid. The species also carries the name seta-anã in certain regions, showcasing its diverse linguistic footprint. Furthermore, it is identified in Japan by the common name ウリカワ.

Sources: Catalogue of Life (COL)

Synonyms

Sagittaria pygmaea is a complex species that has been classified under several different scientific names throughout botanical history. Taxonomists have frequently identified this plant using the synonyms Blyxa coreana and Hydrolirion coreanum. Its shifting identity is further complicated by its historical association with Sagittaria altigena. Furthermore, it has been documented as various forms of the species Sagittaria sagittifolia, specifically as the varieties oligocarpa and pygmaea. Understanding these various nomenclatural relationships is essential for accurate botanical identification and study.

Sources: The World Checklist of Vascular Plants (WCVP)

Taxonomy

Sagittaria pygmaea is a fascinating specimen that belongs to the vast kingdom Plantae. Within this diverse group, it is classified under the class Equisetopsida. This plant further belongs to the order Alismatales, showcasing its specific evolutionary lineage. It is a member of the Alismataceae family, which highlights its botanical connections. Finally, it is identified by its unique genus, Sagittaria, which defines its fundamental characteristics.

Rank Classification
Kingdom Plantae
Phylum Streptophyta
Class Equisetopsida
Subclass Magnoliidae
Order Alismatales
Family Alismataceae
Genus Sagittaria

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

Geographic Regions

Sagittaria pygmaea is a distinct species primarily concentrated within the Asia-Temperate region. Its geographic presence is most notable across various parts of China, including the North-Central, South-Central, and Southeast provinces. Furthermore, the plant can be found growing in the tropical environment of Hainan. Beyond mainland China, its distribution extends eastward into Japan. This widespread range across Eastern Asia highlights the adaptable nature of the species within its native habitats.

Sources: The World Checklist of Vascular Plants (WCVP)

Identification

Morphology

Sagittaria pygmaea is characterized by its growth form as a delicate herb. This species remains entirely self-supporting as it develops within its natural habitat.

Sources: Global Inventory of Floras and Traits (GIFT)

Biological Activities

Sagittaria pygmaea has demonstrated significant potential in pharmacological research due to its inherent antibacterial properties. Recent studies conducted on the whole herb led to the isolation of five distinct new diterpenoids. Among these, compound 2 showed remarkable efficacy against oral pathogens such as Streptococcus mutans and Actinomyces viscosus. Other identified compounds, specifically 3, 4, and 5, also exhibited varying degrees of activity against these specific microbial targets. These findings highlight the plant's value as a source for developing new antibacterial agents.

Compounds

Conditions

Sagittaria pygmaea contains specific antibacterial diterpenoids that effectively treat the oral pathogens Actinomyces viscosus ATCC 27 044 and Streptococcus mutans ATCC 25 175. Within the plant, compound 2 demonstrates significant activity against both of these bacteria with a minimum inhibitory concentration of 15.6 microg/mL. Additionally, compounds 4 and 5 provide antibacterial treatment for both species, albeit at a higher concentration of 125.0 microg/mL. Compound 3 also contributes to treating Actinomyces viscosus ATCC 27 044, though it lacks activity against the other pathogen. Through these various compounds, Sagittaria pygmaea serves as a source of medicinal agents targeting these specific oral microbes.

Preparations

Sagittaria pygmaea is prepared as the whole herb to facilitate the isolation of bioactive compounds. Researchers extracted five new diterpenoids from the entire plant body to study their chemical properties. These specific diterpenoids, including compound 2 and compound 3, were identified through rigorous spectroscopic and crystallographic analysis. The use of the whole herb allowed for the discovery of molecules with significant antibacterial activity against oral pathogens. Consequently, the complete plant serves as a vital source for finding effective agents against Streptococcus mutans and Actinomyces viscosus.

Parts used