Gelsemium elegans

What's the taxonomical classification of Gelsemium elegans?

Gelsemium elegans belongs to the kingdom Plantae and is classified under the phylum Streptophyta. Within this lineage, it is categorized under the class Equisetopsida and the subclass Magnoliidae. Following its placement in the order Gentianales, the plant is situated in the family Gelsemiaceae. It is further defined by its genus, Gelsemium, and is specifically identified by its species name, elegans.

Taxonomic Rank Classification
Kingdom Plantae
Phylum Streptophyta
Class Equisetopsida
Subclass Magnoliidae
Order Gentianales
Family Gelsemiaceae
Genus Gelsemium
Species elegans
Evidence Level: ★★★★☆

What are the morphological characteristics of this plant?

Gelsemium elegans has woody, climbing vines characterized by opposite, ovate leaves and small, tubular, yellowish-white flowers. The foliage typically features smooth margins and a glossy texture on the upper surface. These climbing stems utilize twining mechanisms to ascend through surrounding vegetation in its natural habitat. The inflorescence consists of small clusters that emerge from the leaf axils. Once pollination occurs, the plant produces small, fleshy fruits that are often used to identify the species in the field.

Evidence Level: ★☆☆☆☆

What is the geographical distribution of this plant?

This plant is native to the subtropical and tropical regions of southern China, specifically within the provinces of Guangdong, Guangxi, Hainan, and Yunnan. It is also found in parts of Southeast Asia, including Vietnam and potentially surrounding mountainous territories. The species typically thrives in moist, shaded environments such as forest edges or dense vegetation. Its distribution is closely tied to the humid climates characteristic of these specific longitudinal zones. These habitats provide the necessary moisture levels required for its climbing growth habit.

Evidence Level: ★☆☆☆☆

How is this plant cultivated?

This plant Gelsemium elegans requires well-draining, humus-rich soil and consistent moisture within a warm, humid environment to thrive.

It is a climbing woody vine that benefits significantly from bright, indirect sunlight to promote lush foliage growth. Because it is sensitive to temperature fluctuations, it should be protected from frost and kept in temperate to subtropical climates. Providing a sturdy trellis or support structure is essential to guide its natural twining habit as it climbs.

Careful monitoring of soil moisture is necessary to prevent root rot while ensuring the plant does not dry out completely.

Evidence Level: ★☆☆☆☆

What parts of this plant are used medicinally?

This plant Gelsemium elegans utilizes its roots, stems, leaves, shoots, and pith for various medicinal applications in traditional practices. The root is frequently the primary part harvested for its concentrated pharmacological properties. Practitioners also utilize the leaves and young shoots to prepare decoctions for specific therapeutic purposes. The stem provides essential structural components that are processed alongside other plant materials. Additionally, the pith can be extracted and incorporated into traditional medicinal formulations.

According to a study published by "Journal of natural products", medicinal alkaloids were isolated from the stems of Gelsemium elegans. The study identified a novel triamino monoterpene indole alkaloid named gelsstriamine A (1), 4 new monoterpene indole alkaloids (2-5), and 12 known analogues (6-17). All of the isolated alkaloids 1-17 demonstrated discernible analgesic activities during an acetic acid-induced writhing test in mice. Among these, N-desmethoxyhumanteniine N4-oxide (3) showed more potent analgesic activities than morphine at doses of 0.04 and 0.2 mg/kg.

The parts of this plant that are ued medicinally are shown in the list below.

  • Stem
  • leaf
  • root
  • shoot
  • pith
Evidence Level: ★★★☆☆

What traditional systems uses this plant?

This plant, Gelsemium elegans, has been utilized in Traditional Chinese Medicine for centuries primarily to treat various types of tumors and cancer. Practitioners historically employed the plant's potent alkaloids to target malignant growths, though its application requires extreme caution due to high toxicity. In classical herbal formulas, it was often used in small, controlled doses to manage pain associated with advanced illnesses. Modern research continues to investigate these historical uses to understand the biochemical mechanisms behind its anti-tumor properties. Despite its therapeutic potential, the plant remains dangerous if not prepared and dosed with expert precision.

According to a study published by "Current topics in medicinal chemistry", Gelsemium elegans is one of 3 reported species within its genus. This plant is well known for its toxicity and serves as a traditional remedy for skin problems, neuralgia, fractures, and cancer. The first record of this toxic medicine is found in the Chinese herbal medicine classically known as Shen-Nong Ben-Cao Jing. Due to a legend where the Shennong emperor was poisoned by the plant, it is also well known as Duan Chang Cao in China. While previous phytochemical studies have published more than 200 alkaloids from the genus, Gelsemium elegans remains a highly toxic species.

The hystorical systems that uses this plant are shown in the list below.

  • Traditional Chinese Medicine
Evidence Level: ★★★☆☆

What are the pharmacological activities of Gelsemium elegans?

This plant has analgesic, anti-cancer, anti-inflammatory, anti-tumor, and cytotoxic pharmacological activities derived from its unique alkaloids. These bioactive compounds allow the species to effectively mitigate pain and reduce systemic inflammation in biological models. Its potent cytotoxic properties enable the plant to target and destroy malignant cells during various experimental studies. Furthermore, its demonstrated anti-tumor and anti-cancer effects highlight its significant potential for developing new oncological therapies. Research continues to investigate how these specific chemical constituents interact with cellular pathways to inhibit disease progression.

According to a study published by "Neural plasticity", the medicinal plant Gelsemium elegans contains the alkaloidal constituent koumine, which possesses analgesic and anti-inflammatory properties. Research involving the chronic constriction injury of the sciatic nerve model shows that single or repeated treatment of koumine can significantly reduce neuropathic pain. In rat CCI models, koumine shows inhibitory effects on microglia and astrocyte activation while reducing pro-inflammatory cytokine production in the spinal cord. Additionally, in BV2 cells, koumine significantly inhibits microglia M1 polarization. The analgesic effects of koumine may result from the inhibition of microglia activation and M1 polarization as well as the activation of astrocytes.

The primary pharmacological activities of this plant are shown in the list below.

  • analgesic
  • anti-cancer
  • anti-inflammatory
  • anti-tumor
  • cytotoxic
Evidence Level: ★★★☆☆

What medicinal compounds this plant contains?

This plant contains a diverse array of medicinal compounds known as Gelsemium alkaloids, which include specific bioactive molecules like Gelsenicine, 11-hydroxygelsenicine, and 14-acetoxygelsenicine. These potent chemical constituents are primarily responsible for the pharmacological effects observed in various studies. Additionally, the plant produces Koumine, another significant compound within its complex chemical profile. The structural diversity of these alkaloids contributes to the plant's unique medicinal properties. Understanding these specific substances is essential for researching their potential therapeutic applications.

According to a study published by "International journal of molecular sciences", Gelsemium elegans is a highly poisonous but important medicinal plant used for analgesic and anti-swellting purposes. Gelsenicine is one of the vital active ingredients found within the plant. The study analyzed leaf tissue with and without the application of 4 hormones, specifically SA, MeJA, ETH, and ABA, which are known to affect gelsenicine synthesis. Researchers used 10 candidate reference genes to evaluate gene stability and determined the expression patterns of 15 genes related to the gelsenicine upstream biosynthesis pathway. Furthermore, 3 specific genes, 8-HGO, LAMT, and STR, were found to have a strong correlation with the amount of gelsenicine measured in the different samples.

The primary medicinal compounds of this plant are shown in the list below.

  • 1. Gelsenicine
  • 2. Koumine
  • 3. Eleganoside A
  • 4. Gelsemium alkaloids
  • 5. Gelsemicine
Evidence Level: ★★★☆☆

What health conditions is this plant used for?

This plant is used for treating anxiety, various nervous system disorders, neuralgia, neuropathic pain, and general physical pain. Its chemical properties are leveraged to calm an overactive nervous system and mitigate emotional distress. Practitioners often utilize its extracts to target nerve-related discomfort and chronic sensations of aching. By addressing the underlying neurological triggers, it helps manage the sharp or burning sensations associated with neuropathic conditions. This medicinal application makes it a significant resource for individuals suffering from persistent nerve pain and systemic neurological issues.

According to a study published by "Plant physiology and biochemistry : PPB", Gelsemium elegans contains many alkaloids of potential pharmacological value. The most abundant component is koumine, which is valued in medical research for its important anti-inflammatory and anxiolytic properties. Researchers identified 29 alkaloids in extracts of the plant using liquid chromatography-mass spectrometry techniques. This study utilized a genome sequenced and assembled to 331.82 Mb to investigate the plant. Additionally, a comprehensive transcriptome cDNA library was sequenced using 10.9 Gb subreads to identify 20 candidate genes likely involved in koumine synthesis.

The main health conditions this plant is used for are shown in the list below.

  • anxiety
  • nervous system disorders
  • neuralgia
  • neuropathic pain
  • pain
Evidence Level: ★★★☆☆

What are the herbal preparations of this plant?

This plant is Gelsemium elegans, a toxic woody vine used in traditional medicine to create specialized preparations such as a fine medicinal powder. Because the plant contains potent alkaloids, it must be processed with extreme precision to mitigate its high toxicity. Practitioners often incorporate the dried root into specific formulations to treat conditions like rheumatism or certain types of pain. The resulting powder is typically administered in very small, strictly controlled doses under professional supervision. Careful dosage is essential to prevent severe neurological side effects during treatment.

According to a study published by "Frontiers in veterinary science", Gelsemium elegans is used as a traditional medicinal plant in livestock production. The study investigated tissue residue depletion in pigs fed Gelsemium elegans powder at a dose of 2% per kg feed. Many Gelsemium elegans alkaloids are widely distributed in most tissues of pigs. Research indicated that 14-hydroxygelsenicine, 11-hydroxygelsenicine, and gelsemoxonine could serve as potential residue markers. Furthermore, pancreas, small intestine, and lung tissues could be considered potential residue target tissues of Gelsemium elegans. Both urine and plasma could also be used to predict 14-hydroxygelsenicine and gelsemoxonine residues in the liver, pancreas, and small intestinal tissues of pigs.

The main herbal preparations of this plant are shown in the list below.

  • powder
Evidence Level: ★★★☆☆

What side effects this plant can have?

This plant can cause severe physiological damage including cardio-respiratory toxicity, respiratory depression, skin ulcers, spasticity, and violent clonic convulsions. The toxins within the plant lead to a significant decline in heart and lung function, which can quickly become life-threatening. Ingestion often triggers profound respiratory depression, making it difficult for the individual to breathe adequately. Furthermore, contact or systemic absorption can lead to the development of painful skin ulcers. Neurological distress is also common, manifesting as muscle spasticity and intense, violent clonic convulsions.

According to a study published by "Journal of ethnopharmacology", Gelsemium elegans Benth. is a highly toxic medicinal plant that can cause severe poisoning and death primarily due to respiratory depression. The most toxic alkaloid in the plant, gelsenicine, undergoes rapid metabolism in vivo. Research involving GFI samples utilized doses of 1, 2, and 4 mg/kg to test the sensitivity of classification models. A model using three key metabolites, creatinine, valylserine (Val-Ser), and tyrosyl-phenylalanine (Tyr-Phe), achieved predictive performance with area under the curve (AUC) values above 0.9. These findings assist in distinguishing gelsenicine-induced fatal intoxication from other hypoxia-related deaths.

The main side effects this plant can have are shown in the list below.

  • cardiio-respiratory toxicity
  • respiratory depression
  • skin ulcers
  • spasticity
  • violent clonic convulsions
Evidence Level: ★★★☆☆

What herbs are paired with Gelsemium elegans?

This plant Gelsemium elegans is traditionally paired with herbs such as Radix Astragali, Radix Glycyrrhizae, and Radix Paeoniae to balance its potent pharmacological effects.

These combinations are frequently used in traditional Chinese medicine to mitigate the plant's inherent toxicity while enhancing its ability to treat various ailments. The inclusion of licorice root specifically serves to harmonize the different medicinal properties of the formula. Practitioners carefully adjust these pairings based on the specific physiological needs and the intended therapeutic goals of the patient.

Such herbal synergy is essential for managing the complex biochemical interactions present in the mixture.

Evidence Level: ★☆☆☆☆