Euphorbia tirucalli
What's the taxonomical classification of Euphorbia tirucalli?
Euphorbia tirucailli belongs to the kingdom Plantae and is categorized under the phylum Streptophyta. Within the class Equisetopsida, it is classified under the subclass Magnoliidae and follows the order Malpighiales. This plant is a member of the family Euphorbiaceae, falling within the genus Euphorbia, and is specifically identified by its species name, tirucalli.
| Taxonomic Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Malpighiales |
| Family | Euphorbiaceae |
| Genus | Euphorbia |
| Species | tirucalli |
What are the morphological characteristics of this plant?
Euphorbia tirucalli has cylindrical, succulent, leafless green stems that can reach heights of up to 2 meters. These segmented branches are characterized by a smooth surface and lack true leaves, instead performing photosynthesis through their skin. The stems often grow in a branching, shrub-like habit with a distinctively slender and elongated structure. Small, scale-like vestiges may appear at certain nodes, but they are rarely prominent. A milky white latex flows through the entire plant when the tissue is punctured.
What is the geographical distribution of this plant?
This plant is native to the arid and semi-arid regions of Southern Africa, specifically spanning across parts of South Africa, Namibia, and Botswana. It thrives primarily in rocky landscapes and dry scrublands where sunlight is abundant. These succulents are often found in well-drained soils within savanna ecosystems. Their distribution is closely tied to environments that experience distinct seasonal rainfall patterns. This specific range allows them to inhabit niches that many other plant species find too harsh.
How is this plant cultivated?
This plant requires well-draining sandy soil, bright indirect sunlight, and infrequent watering to mimic its native arid environment.
Because it is a succulent, you must allow the potting medium to dry out completely between watering sessions to prevent root rot. It thrives in warm temperatures and should be protected from frost or extreme cold. When handling the plant, always wear gloves because its milky white sap is highly caustic and can irritate the skin or eyes.
Regular feeding with a diluted liquid fertilizer during the growing season will support its unique branching structure.
What parts of this plant are used medicinally?
This plant Euphorbia tirucalli utilizes its leaves, roots, and stems for various medicinal applications in traditional healing practices. The milky latex found within the stem is frequently applied topically to treat skin conditions or used to address specific internal ailments. Extracts derived from the roots are often prepared to manage digestive issues or inflammatory responses. Additionally, the leaves can be processed into decoctions for their purported therapeutic properties. Each of these distinct parts offers unique chemical compounds that contribute to the plant's overall medicinal utility.
According to a study published by "Memorias do Instituto Oswaldo Cruz", the leaf/stem water-methanol extracts of Euphorbia tirucailli were found to exhibit the highest antiherpetic action. This specific plant was one of 3 out of 10 Euphorbia species, representing 30% of the tested group, that exhibited antiherpetic action. The therapeutic indexes for the Euphorbia tirucailli extracts were > 7.1. Additionally, these extracts exhibited no cytotoxicity.
The parts of this plant that are ued medicinally are shown in the list below.
- leaf
- root
- stem
What traditional systems uses this plant?
This plant is utilized within Traditional African Medicine to treat various ailments such as skin infections, wounds, and inflammatory conditions through its milky latex. Local healers often apply the sap topically to address dermatological issues or use diluted extracts for internal purposes. Historical records indicate that different communities have integrated the species into their ethnobotanical practices to manage pain and promote healing. The chemical properties of the latex are central to these traditional applications, serving as a primary medicinal component. These long-standing methods highlight the plant's significance in the cultural and therapeutic landscape of its native regions.
According to a study published by "Molekuliarnaia biologiia", Euphorbia tirucalli has a long history of usage as traditional medicine in Africa. It has been widely used in the treatment of different cancers. To investigate these properties, stems were dried and crushed to be extracted with butanol, hexane, or methanol using 1 g of dry substance in 10 mL of a solvent. The study explored the effects of these extracts on breast cancer cell lines, specifically MCF-7 and MDA-MB 231. These cell lines were treated with various concentrations of the extracts for up to 48 h.
The hystorical systems that uses this plant are shown in the list below.
- Traditional African Medicine
What are the pharmacological activities of Euphorbia tirucalli?
This plant has significant pharmacological activities including anti-cancer, antineoplastic, antitumooral, and antitumor properties, as well as anti-inflammatory effects. These diverse therapeutic actions suggest that the chemical compounds found within the species can effectively inhibit the growth and spread of malignant cells. The antineoplastic and antitumor capabilities highlight its potential role in disrupting the progression of various types of cancer. Furthermore, the plant's anti-inflammatory activity provides a mechanism to reduce swelling and irritation associated with pathological conditions. By targeting both cellular proliferation and inflammatory responses, Euphorbia tirucalli serves as a subject of intense pharmacological interest.
According to a study published by "Investigational new drugs", the medicinal plant Euphorbia tirucalli contains euphol, a tetracyclic triterpene alcohol, as its main sap constituent. Euphol demonstrated anti-cancer activity previously identified through a cytotoxicity screening of 73 human cancer cells. This substance showed concentration-dependent cytotoxic effects with more than a five-fold difference in IC50 values across certain cell lines. Euphol treatment achieved a higher selective cytotoxicity index of 0.64-3.36 compared to temozolomide at 0.11-1.13. Furthermore, euphol exhibited antitumoral and antiangiogenic activity in vivo using the chicken chorioallantoic membrane assay.
The primary pharmacological activities of this plant are shown in the list below.
- anti-cancer
- anti-inflammatory
- antineoplastic
- antitumooral
- antitumor
What medicinal compounds this plant contains?
This plant contains various bioactive triterpenoids and diterpenes, most notably the compounds euphol and beta-amyrin. These specific chemical constituents are primarily responsible for the plant's diverse pharmacological properties. Research indicates that these molecules contribute to anti-inflammatory, antimicrobial, and cytotoxic activities. The presence of such compounds makes the species a subject of interest for developing new medicinal treatments. Scientists continue to study these secondary metabolites to better understand their potential therapeutic applications in human health.
According to a study published by "Investigational new drugs", the main constituent of the sap of the medicinal plant Euphorbia tirucaica is euphol, which is a tetracyclic triterpene alcohol. Euphol was previously identified for its anti-cancer activity based on a cytotoxicity screening of 73 human cancer cells. This compound shows concentration-dependent cytotoxic effects, with more than a five-fold difference in the IC50 values in some cell lines. Euphol treatment demonstrated a higher selective cytotoxicity index of 0.64-3.36 compared to temozolomide, which had a range of 0.11-1.13. These findings support the potential development of euphol as a novel therapeutic agent for glioma.
The primary medicinal compounds of this plant are shown in the list below.
- Euphol
- β-amyrin
What health conditions is this plant used for?
This plant is used for the treatment of various types of cancer, including Burkitt's lymphoma, breast cancer, and melanoma, as well as the reduction of tumors. Researchers have investigated its chemical compounds for their potential ability to inhibit the growth of malignant cells. The bioactive substances within the plant may play a role in disrupting the development of specific cancerous growths. Studies focus on how these extracts interact with different cell lines to combat these serious health conditions. Ongoing scientific interest remains centered on its cytotoxic properties against diverse neoplastic diseases.
According to a study published by "British journal of cancer", Euphorbia tirucalli possesses EBV-activating substances that can induce the characteristic 8:14 translocation of eBL in EBV-infected lymphoblastic cell lines in vitro. This plant is linked to the development of epidemic Burkitt's Lymphoma (eBL), which is an Epstein-Barr virus (EBV)-associated non-Hodgkin's malignant lymphoma. The distribution of Euphorbia tirucalli conforms closely to the climatic requirements of the Lymphoma Belt. This plant is found significantly more often at the homes of eBL patients in Malawi than in those of controls. These findings provide support for the theory that such plants are co-factors involved in the pathogenesis of some cases of eBL.
The main health conditions this plant is used for are shown in the list below.
- Burkitt's lymphoma
- breast cancer
- cancer
- melanoma
- tumor
What are the herbal preparations of this plant?
This plant is used to create medicinal preparations including 80 % MeOH extract, aqueous plant extracts, and the direct application of its latex. Researchers study the 80 % MeOH extract to identify specific bioactive compounds that may possess pharmacological properties. Aqueous plant extracts are also prepared to explore the water-soluble components of the species for therapeutic potential. The latex serves as a potent substance that is often handled with caution due to its concentrated chemical makeup. These various forms allow for a comprehensive investigation into the plant's traditional and scientific uses.
According to a study published by "Heliyon", milk bush (Euphorbia tirucalli L.) was evaluated for its effects on immune responses. In vivo analyses showed that the extract of Euphorbia tirucalli L. enhanced T-cell responses. Furthermore, the study observed that Euphorbia tirucalli L. significantly suppressed B-cell populations. These findings suggest that the plant has the potential to act as an agent for modulating immune function.
The main herbal preparations of this plant are shown in the list below.
- 80 % MeOH extract
- aqueous plant extracts
- latex
What side effects this plant can have?
This plant can cause severe skin and eye irritation due to its caustic milky latex, which can lead to inflammation or chemical burns upon contact. Beyond immediate physical contact, research has indicated that certain compounds within the species exhibit tumor-promoting activity. This biological effect is particularly concerning because it may contribute to the development of certain cancers. Specifically, studies have linked the chemical properties of this plant to the progression of Burkitt's lymphoma in specific models. Therefore, extreme caution must be taken when handling this species to avoid these serious health risks.
According to a study published by "Journal of natural products", the latex of Euphorbia tirucalli contains irritant constituents such as ingenane- and tigliane-type diterpene esters derived from the parent alcohols ingenol and phorbol. These esters carry aliphatic acids with a general structure of CH3-(CH2)m-(CH=CH)n-COOH where m equals 2 or 4 and n equals 2, 3, 4, or 5. The total number N of C-atoms is calculated as 2n + m + 2. An increasing number of C-atoms or double bonds in the acyl moiety of phorbol esters leads to an increase of irritant activity. While the diterpene constituents show a very weak tumor-promoting activity, an assessment of potential carcinogenic risk is important for the mass production and handling of the plant.
The main side effects this plant can have are shown in the list below.
- irritation
- tumor-promoting activity
- Burkitt's lymphoma
What herbs are paired with Euphorbia tirucalli?
This plant Euphorbia tirucalli pairs most effectively with drought-tolerant herbs like lavender, rosemary, and thyme in succulent gardens.
These aromatic companions share similar water requirements and thrive in well-draining, sandy soils. Pairing them creates a textured landscape where the thin, pencil-like stems of the euphorbia contrast with the bushy foliage of the herbs. Additionally, these combinations utilize shared sun-loving characteristics to ensure all species flourish in bright locations.
Using these specific herbs also helps to manage the visual scale of the succulent's spreading growth pattern.