Strychnos wallichiana

Strychnos wallichiana · Accepted scientific name

Scientific literature: Very Sparse (0 studies) · ★☆☆☆☆

Strychnos wallichiana is a significant medicinal and toxic plant species found in various tropical regions. It is most notable for the potent chemical compounds found within its biological structure. The seeds of this plant serve as the primary source of the highly toxic alkaloid known as strychnine. Due to the presence of these powerful substances, the plant must be handled with extreme caution. Understanding its chemical properties is essential for both pharmacological research and safety protocols.

Quick facts
Synonyms
Strychnos Rheedei · Strychnos Gauthieriana · 6 more
Common names
Not available
Family
Loganiaceae
Distribution
Not available
Plant Parts
Seed

Classification

Common Names

Strychnos wallichiana is a botanical species known by a diverse array of regional and linguistic names. In various contexts, it is referred to by the common names chang zi ma qian and strychnínovník hadí. Its identity is further reflected in Chinese terminology, appearing as both 云南马钱 and the traditional characters 長籽馬錢. Additionally, the simplified Chinese designation 长籽马钱 is frequently used to identify the plant. These various names highlight the global reach and cultural significance of this specific species.

Sources: Catalogue of Life (COL)

Synonyms

Strychnos wallichiana is a botanical species known to encompass a diverse range of taxonomic synonyms. Within various scientific records, it has been identified under the names Strychnos bourdilloni and Strychnos cinnamomifolia. This complexity extends to the classification of Strychnos cinnamomifolia var. wightii, which is also linked to the primary species. Furthermore, researchers have historically referred to the plant as Strychnos colubrina in different contexts. The name Strychnos gauthieriana represents yet another synonym that contributes to the intricate nomenclature of this plant.

Sources: The World Checklist of Vascular Plants (WCVP)

Taxonomy

Strychnos wallichiana is a distinctive organism belonging to the kingdom Plantae. Within this vast biological realm, it is specifically classified under the class Equisetopsida. The plant is further categorized into the order Gentianales, showcasing its unique evolutionary lineage. It sits firmly within the family Loganiaceae, which defines many of its botanical characteristics. Ultimately, this species is identified by its placement in the genus Strychnos.

Rank Classification
Kingdom Plantae
Phylum Streptophyta
Class Equisetopsida
Subclass Magnoliidae
Order Gentianales
Family Loganiaceae
Genus Strychnos

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

Geographic Regions

Strychnos wallichiana exhibits a wide geographical distribution that spans across several distinct ecological zones in Asia. Its range extends into temperate regions of China, specifically throughout the South-Central provinces. In tropical climates, the species is well-established across the Indian Subcontinent, including significant populations in Assam, Bangladesh, and Sri Lanka. The plant also flourishes within the Indo-China region, reaching the unique environments of the Andaman Islands. This diverse spread highlights the botanical adaptability of the species across both temperate and tropical landscapes.

Sources: The World Checklist of Vascular Plants (WCVP)

Identification

Morphology

Strychnos wallichiana is characterized by a shrub-like growth form that transitions into an obligatory climbing habit. This climbing nature allows the plant to ascend toward the canopy, reaching a maximum height of 15 meters. Consequently, its structural development is defined by both its woody base and its ability to scale surrounding vegetation.

Sources: Global Inventory of Floras and Traits (GIFT)

Biological Activities

Compounds

Strychnos wallichiana serves as a significant biological source of the potent alkaloid strychnine. Through high-performance liquid chromatography analysis, researchers have identified specific concentrations of this compound within the plant's various components. Specifically, the seeds of Strychnos wallichiana were found to contain a substantial strychnine content of 5.6%. This high yield distinguishes the species from others, such as S. ignatii, which contains a lower concentration. Consequently, these findings suggest that the species holds great potential for industrial development as a primary resource for strychnine extraction.

Conditions

Preparations

Parts used

Strychnos wallichiana serves as a significant botanical source for the extraction of potent alkaloids. Research utilizing HPLC has specifically identified the presence of these compounds within the plant's various components. Notably, the seeds of this species contain a substantial concentration of strychnine, measured at approximately 5.6%. This high content distinguishes it from other species and highlights its chemical potential. Consequently, these findings suggest that the seeds of Strychnos wallichiana could be effectively developed as a valuable resource for strychnine production.