Tabernaemontana crassa
What's the taxonomical classification of Tabernaemontana crassa?
Tabernaemontana crassa belongs to the kingdom Plantae and is classified under the phylum Streptophyta. Within the class Equisetopsida and the subclass Magnoliidae, this plant is situated in the order Gentianales. It is a member of the family Apocynaceae, falling under the genus Tabernaemontana, and is specifically identified by its species name, crassa.
| Taxonomic Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Gentianales |
| Family | Apocynaceae |
| Genus | Tabernaemontana |
| Species | crassa |
What are the morphological characteristics of this plant?
Tabernaemontana crassa has woody, perennial stems characterized by thick, leathery leaves that are oppositely arranged and typically elliptical or oblong in shape. The foliage often displays a glossy upper surface with a deep green hue and prominent midribs. Its inflorescences consist of fragrant, white, salverform flowers that emerge from the leaf axils. These blossoms feature five spreading lobes and a central tube that connects to the ovary. The plant may also develop small, fleshy fruits that contain numerous seeds.
What is the geographical distribution of this plant?
This plant is native to the tropical regions of West and Central Africa, specifically spanning from Guinea and Sierra Leone eastward through Nigeria to Cameroon and Gabon. It thrives primarily within the humid lowland rainforest ecosystems and moist forest margins of these equatorial territories. The species is often found in densely vegetated areas where high rainfall and consistent warmth are present. Its distribution is closely tied to the specific climatic conditions of the Guineo-Congolian forest biome. This localized range ensures it remains a characteristic element of the diverse African tropical flora.
How is this plant cultivated?
This plant requires well-draining, slightly acidic soil and consistent moisture levels maintained in a warm, humid environment with bright, indirect sunlight.
Growers should avoid waterlogged conditions to prevent root rot while ensuring the substrate remains damp during the active growing season. Providing high humidity through regular misting or a pebble tray helps mimic its natural tropical habitat. Temperature regulation is critical, as the species thrives in warmth but is highly susceptible to damage from frost or cold drafts.
Regular fertilization with a balanced liquid formula during spring and summer supports lush foliage development.
What parts of this plant are used medicinally?
This plant Tabernaemontana crassa is used medicinally through its leaves, roots, and stem bark. The leaves are frequently prepared as decoctions or poultices to treat various skin conditions and inflammatory ailments. Extracts from the roots are often utilized for their potent analgesic and antimicrobial properties in traditional healing practices. The stem bark is specifically processed to address digestive issues and certain systemic infections. These various botanical components work together to provide a wide range of therapeutic benefits for local communities.
According to a study published by "Journal of ethnopharmacology", the stem bark of Tabernaemontana crassa is used in Cameroon folk medicine to treat various affections. Researchers evaluated a 70% (v/v) hydroethanol extract from this stem bark to determine its toxicological profile. The acute toxicity study identified a medium lethal dose (LD50) of 6.75 g/kg body weight (b.w.) after 48 h of treatment. Significant variations in parameters such as relative body weight, ALP, ALT, TBil, DBil, and SCr occurred at the dose of 6 g/kg b.w. Furthermore, significant variations in AST, TP, GSH, MDA, RCr, and RU were observed at the 6 g/kg b.w. dose. Moderate consumption of small doses up to 0.5 g/kg b.w. daily for 6 weeks appeared to be safe.
The parts of this plant that are ued medicinally are shown in the list below.
- stem bark
What traditional systems uses this plant?
This plant, Tabernaemontana crassa, is traditionally utilized by indigenous populations in tropical regions to treat a variety of ailments including skin infections, wounds, and gastrointestinal issues.
Local healers often prepare decoctions or poultices from the leaves to facilitate wound healing and reduce inflammation. The milky latex extracted from the plant is frequently applied topically to manage skin irritations or parasitic infections. In some cultural contexts, various parts of the shrub are also integrated into ritualistic practices or used as components in herbal remedies for fever.
These historical applications highlight the plant's significance within the ethnobotanical knowledge of its native habitats.
What are the pharmacological activities of Tabernaemontana crassa?
This plant has demonstrated significant pharmacological activities including anti-plasmodial, antioxidant, and cytotoxic properties. The anti-plasmodial activity suggests its potential utility in developing new treatments against malaria parasites. Research into its antioxidant capacity indicates that the plant can effectively neutralize harmful free radicals within biological systems. Furthermore, its cytotoxic effects show promise for evaluating the plant's potential in inhibiting the growth of various cancer cell lines. These diverse medicinal capabilities highlight the therapeutic importance of Tabernaemontana crassa in pharmacological studies.
According to a study published by "Journal of evidence-based integrative medicine", the anti-plasmodial activities of Tabernaemontana crassa are reported for the first time. All extracts in the study demonstrated anti-plasmodial activities at concentrations <50 μg/ml. The plant was one of eight (8) Ghanaian medicinal plants investigated for anti-plasmodial activity, cytotoxicities, and antioxidant properties. The research utilized the SYBR green assay for anti-plasmodial activity and the MTT assay to assess cytotoxicity. Although the study notes selectivity indices of most extracts were greater than 10, the specific numerical data for Tabernaemontana crassa regarding antioxidant effect or cytotoxicity was not provided.
The primary pharmacological activities of this plant are shown in the list below.
- anti-plasmodial
- antioxidant
- cytotoxic
What medicinal compounds this plant contains?
This plant contains several bioactive indole alkaloids, most notably the medicinal compounds conopharyngine and ibogaine. These specific alkaloids are derived from the complex chemical profile found within the plant's various tissues. Researchers study these substances due to their significant potential for pharmacological applications in treating neurological conditions. The presence of such potent compounds makes the species a subject of interest in ethnobotanical and biochemical investigations. Further analysis of these molecules helps scientists understand their unique interactions with the human nervous system.
According to a study published by "Journal of ethnopharmacology", the stembark of Tabernaemontana crassa contains medicinal compounds. The alkaloid ibogaine was isolated from the plant as the major component. This specific substance showed activity against the gram-positive Bacillus subtilis. Additionally, conopharyngine was identified as one of the minor compounds within Tabernaemontana crassa.
The primary medicinal compounds of this plant are shown in the list below.
- Conopharyngine
- Ibogaine
What health conditions is this plant used for?
This plant is used for treating various health conditions including malaria, infections, diseases, injuries, and pain. Its medicinal properties are frequently applied to combat malaria and reduce the severity of different infections. Local healers also utilize the plant to address various chronic diseases within the community. It serves as a topical or internal remedy for managing physical injuries and wounds. Furthermore, the plant is commonly employed as a natural way to alleviate acute and chronic pain.
According to a study published by "Plants (Basel, Switzerland)", the species Tabernaemontana crassa belongs to a genus with medicinal potential for the treatment of infections, pain, injuries, and various diseases. These species often display pharmacological importance related to their chemical constituents. The secondary metabolites within the genus have demonstrated huge potential for addressing these health conditions. An additional inclusive study on species within this genus remains essential.
The main health conditions this plant is used for are shown in the list below.
- diseases
- infections
- injuries
- malaria
- pain
What are the herbal preparations of this plant?
This plant is used to create various medicinal herbal preparations including specialized extracts such as the hydroethanol extract. These preparations are often formulated to harness the bioactive secondary metabolites present within the leaves and bark. Researchers frequently utilize hydroethanol extraction methods to ensure a high yield of alkaloids and other therapeutic compounds. Such concentrated preparations are studied for their potential pharmacological properties in treating different ailments. The chemical profile of these extracts varies depending on the specific solvent concentration used during production.
According to a study published by "Journal of evidence-based integrative medicine", the anti-plasmodial activities of Tabernaemontana crassa are reported for the first time. This plant demonstrated anti-plasmodial activities at concentrations <50 μg/ml. The study included the investigation of eight (8) Ghanaian medicinal plants to assess properties such as antioxidant potential and cytotoxicity. While specific IC50 values for Tabernaemontana crassa were not provided, the research evaluated extracts using the SYBR green assay and the MTT assay. The results suggest that the plant extracts have strong anti-plasmodial activity and antioxidant activity.
The main herbal preparations of this plant are shown in the list below.
- extracts
- hydroethanol extract
What side effects this plant can have?
This plant can cause serious health complications including kidney injury and significant variations in alanine aminotransferase levels. Consuming parts of the plant may lead to acute renal dysfunction as toxins impact the filtration system. Research indicates that these substances can disrupt liver enzymes, specifically causing fluctuations in alanine aminotransferase. Such biochemical changes serve as indicators of potential organ toxicity following ingestion. Monitoring these physiological markers is essential for identifying the damage caused by the plant's chemical constituents.
According to a study published by "Journal of ethnopharmacology", the 70% (v/v) hydroethanol extract from the stem bark of Tabernaemontana crassa has a medium lethal dose (LD50) of 6.75 g/kg body weight after 48 h of treatment. At a dose of 6g/kg b.w., significant variations (P<0.05) were observed in relative body weight, serum alkaline phosphatase (ALP), alanine aminotransferase (ALT), total bilirubin (TBil), direct bilirubin (DBil), and creatinine (SCr). This 6g/kg b.w. dose also caused significant variation in liver alkaline phosphatase, aspartate aminotransferase (AST), ALT, total proteins (TP), glutathione (GSH), malondialdehyde (MDA), renal creatinine (RCr), and urea (RU). Histopathological studies revealed dose-related effects in the liver, lungs, and kidneys at higher levels, though no difference was found in tissue profiles for those receiving 0.5 g/kg b.w. daily for 6 weeks. Consumption of doses up to 6 g/kg b.w. could cause organ injuries, while small doses up to 0.5 g/kg b.w. daily for 6 weeks appeared to be safe.
The main side effects this plant can have are shown in the list below.
- kidney injury
- variation in alanine aminotransferase
What herbs are paired with Tabernaemontana crassa?
This plant is traditionally paired with ginger, turmeric, and various species of basil to enhance its therapeutic efficacy in topical applications.
These combinations are often utilized in herbal medicine to create poultices that address inflammation and skin irritations. The pungent properties of ginger complement the medicinal compounds found in the leaves of Tabernaemontana crassa. Furthermore, adding turmeric can provide additional antioxidant benefits to the mixture.
Such synergistic pairings are common in regional folk remedies throughout Southeast Asia.