Nerium oleander

Nerium oleander · Accepted scientific name

Scientific literature: Very Sparse (6 studies) · ★☆☆☆☆

Nerium oleander is a versatile plant species known to contain a complex array of bioactive chemicals, including cardenolides, flavonoids, and specific sterols like 20beta,28-epoxy-28alpha-methoxytaraxasteran-3beta-ol. Various parts of the plant, such as the leaf, flower, root, and stem, can be utilized to create medicinal preparations like leaf extracts. Research indicates that these extracts possess significant anticancer, antitumor, and cytotoxic activities, while also functioning as 11B-HSD inhibitors. Due to these properties, the plant shows therapeutic potential in addressing diverse medical conditions including cancer, wounds, Alzheimer's disease, and atherosclerosis. Consequently, studying the chemical constituents of Nerium oleander remains a critical area for developing new pharmacological treatments.

Quick facts
Synonyms
Nerium Carneum · Nerion Oleandrum · 34 more
Common names
Not available
Family
Apocynaceae
Distribution
Southern America
Plant Parts
Leaf · Flower

Classification

Common Names

Nerium oleander is a versatile plant known by a diverse array of regional and cultural names. In some areas, it is affectionately referred to as Adelfa blanca y rosa or Alheli extranjero. Travelers and botanists might also encounter it called Bunga Mentega or Bunga jepun depending on the local dialect. Additionally, the plant is widely recognized by the elegant moniker of Ceylon Rose. This variety of common names highlights the global presence and widespread recognition of this striking species.

Sources: Catalogue of Life (COL)

Synonyms

Nerium oleander is a botanical subject that has been classified under several different scientific names throughout history. Its taxonomic journey includes synonyms such as Nerion oleandrum and Nerium atropurpureum. Researchers have also documented the plant under the labels Nerium carneum and Nerium flavescens. Furthermore, the name Nerium floridum has appeared in various botanical records. Understanding these various synonyms is essential for accurately identifying this complex species in scientific literature.

Sources: The World Checklist of Vascular Plants (WCVP)

Taxonomy

Nerium oleander is a distinguished member of the kingdom Plantae. Within this vast biological realm, it is classified under the class Equisetopsida. It belongs to the specific order Gentianales, showcasing its unique evolutionary lineage. Furthermore, this plant is categorized under the genus Nerium, which defines its immediate botanical relatives. Finally, it is a prominent representative of the family Apocynaceae.

Rank Classification
Kingdom Plantae
Phylum Streptophyta
Class Equisetopsida
Subclass Magnoliidae
Order Gentianales
Family Apocynaceae
Genus Nerium

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

Geographic Regions

Nerium oleander exhibits a widespread presence across various regions of the African continent and its surrounding islands. In East Tropical Africa, the species is notably established within the landscapes of Kenya. Its reach extends significantly into the Macaronesian islands, including the Azores, Madeira, and the Canary Islands. Furthermore, the plant can be found in the remote Middle Atlantic Ocean on Ascension Island. This diverse distribution highlights the plant's ability to thrive in multiple unique island and coastal environments.

Sources: The World Checklist of Vascular Plants (WCVP)

Identification

Morphology

Nerium oleander is a versatile shrub characterized by its sturdy, self-supporting growth form. This resilient plant exhibits a remarkable range in size depending on its environment and age. While it can occasionally be found as a small specimen measuring only 0.09 m, it typically establishes a more substantial presence. Most mature plants reach a minimum height of 3.85 m, providing significant coverage in landscapes. Ultimately, this species can reach a maximum height of 8 m, making it a prominent feature in any garden.

Sources: Global Inventory of Floras and Traits (GIFT)

Biological Activities

Nerium oleander is a medicinal plant that has garnered significant scientific interest due to its diverse array of biological activities. Research indicates that various compounds isolated from its leaves exhibit potent anticancer and antitumor properties against multiple human cell lines. Furthermore, the plant has demonstrated cytotoxic effects, particularly through macrophage-mediated pathways. Studies on its polysaccharides have also revealed indications of mitogenic activity, suggesting a role in immunomodulation. Beyond these effects, Nerium oleander is recognized for its potential antimycotic applications in treating fungal infections.

Compounds

Nerium oleander is a complex medicinal plant characterized by a diverse profile of bioactive chemical constituents. Scientific analysis reveals that the plant contains cardenolides and cardiac glycosides, which contribute to its well-known cardiotonic and cytotoxic properties. Furthermore, the species contains flavonoids and chlorogenic acid, substances that play significant roles in its various biological activities. Among these important compounds, the specific phytochemical oleandrin is a notable component recognized for its potential anti-tumor capabilities. Together, these various relationships define the plant's multifaceted utility and its inherent toxicity.

Conditions

Nerium oleander exhibits significant medicinal potential through its ability to treat various health and environmental concerns. Research indicates that the plant can treat cancer by inducing cytotoxicity and inhibiting glycolysis in malignant cells. Specifically, extracts from the plant have demonstrated effectiveness in treating A-549 lung cancer cells. Furthermore, Nerium oleander is used in ethnophytotherapy to treat wounds, providing relief for various human injuries. The plant also serves as a natural biocide to treat mosquito larvae, showing high efficacy against 3rd instar Culex pipiens (Common house mosquito) larvae.

Preparations

Nerium oleander is prepared as leaf extract to study its significant toxic effects and pathological features in experimental animals. Researchers have also utilized Nerium oleander prepared as extracts, such as hydroalcoholic or ethanolic forms, to demonstrate anticancer and larvicidal activities. In various medicinal studies, Nerium oleander is prepared as extracts to evaluate its potential for treating diverse infections and viral threats. Furthermore, the plant is prepared as leaves to isolate specific triterpenes and bioactive compounds for pharmacological research. Through these various methods, Nerium oleander is prepared as extract to explore its broad spectrum of biological and chemical properties.

Parts used

Nerium oleander is a versatile medicinal plant that contains bioactive compounds distributed throughout its various anatomical structures. Research has shown that extracts from the leaves can inhibit cancer cell proliferation, while the flowers possess polysaccharides with potential neuroprotective effects and skeletal muscle relaxant properties. The stems and twigs are significant sources of various cardenolides that exhibit anti-inflammatory and anti-tumor activities. Furthermore, the roots contain unique steroids and require specific detoxification processes to mitigate their inherent toxicity. By utilizing different parts of the plant, scientists continue to explore its complex pharmacological profile for diverse therapeutic applications.