Eucalyptus tereticornis
Eucalyptus tereticornis · Accepted scientific name
Scientific literature: Very Sparse (0 studies) · ★☆☆☆☆
Eucalyptus tereticornis is a versatile plant species from which essential oils are frequently extracted from the leaves and fruit. These essential oils contain key bioactive compounds such as Eucalyptol, 1R-alpha-Pinene, D-Limonene, and Isopinocarveol. Scientific studies have demonstrated that these extracts exhibit significant antimicrobial activity against bacteria including Bacillus subtilis, Escherichia coli, and Staphylococcus aureus. Furthermore, the plant's chemical constituents demonstrate diverse pharmacological properties, including (-)-chronotropic, (-)-inotropic, ACE-inhibitor, and AChE-inhibitor activities. This makes the species a subject of great interest for both medicinal and industrial applications.
- Synonyms
- Not available
- Common names
- Not available
- Family
- Myrtaceae
- Distribution
- Not available
- Plant Parts
- Leaf · Fruit
Classification
Common Names
Eucalyptus tereticornis is a versatile species known by a diverse array of names across different regions and languages. In English-speaking areas, it is frequently referred to as the Blue Gum or the Forest Red Gum. Its international presence is further highlighted by names like Bosrooibloekom, which reflects its regional significance. In Spanish-speaking contexts, it is commonly identified as Eucalipto rojo australiano. Finally, Portuguese speakers often call it Eucalipto-vermelho-da-mata, showcasing the plant's global reach.
Sources: Catalogue of Life (COL)
Taxonomy
Eucalyptus tereticornis belongs to the vast kingdom Plantae, representing a vital component of the natural world. Within this kingdom, the species is classified under the class Equisetopsida. It further resides in the order Myrtales, a group that connects it to various other flowering plants. As a member of the Myrtaceae family, it shares distinct botanical characteristics with its close relatives. Ultimately, this tree is a distinguished representative of the Eucalyptus genus.
| Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Myrtales |
| Family | Myrtaceae |
| Genus | Eucalyptus |
Sources: The World Checklist of Vascular Plants (WCVP)
Distribution
Geographic Regions
Eucalyptus tereticornis is widely distributed across various regions within the African continent. In East Tropical Africa, this species can be found flourishing in the landscapes of Kenya, Tanzania, and Uganda. Its presence also extends into the Northeast Tropical Africa region, where it is established in specific territories. Specifically, the plant maintains a notable distribution within the countries of Eritrea and Ethiopia. These diverse geographical locations highlight the broad ecological range of this particular species across East Africa.
Sources: The World Checklist of Vascular Plants (WCVP)
Identification
Morphology
Eucalyptus tereticornis is a robust tree species characterized by its impressive and self-supporting growth form. This tree typically reaches significant proportions, with heights generally ranging between 20 m and 50 m. In many established environments, the specimen will frequently achieve a more substantial stature of at least 30 m. Such massive development allows the plant to dominate its local ecosystem effectively. Consequently, its structural integrity and scale make it a prominent feature of its natural habitat.
Sources: Global Inventory of Floras and Traits (GIFT)
Biological Activities
Compounds
Eucalyptus tereticornis is a chemically diverse plant species that contains a variety of bioactive compounds in its leaves and fruits. The leaves are significant for containing ursolic acid, a triterpenoid that has demonstrated potential for hepatoprotective, immunomodulatory, and anti-filarial activities. Chemical analysis via GC-MS also reveals that the essential oils of this plant are rich in terpenes, specifically 1R-alpha-pinene and eucalyptol. Depending on the specific part of the plant, other notable constituents include isopinocarveol in the leaves and D-limonene in the fruits. Together, these various chemical relationships highlight the significant therapeutic potential of the species.
Conditions
Eucalyptus tereticornis achieves its maximum dry matter production when treated with 10 ppm soil P. While uninoculated plants do not produce significant dry matter until reaching 20 ppm soil P, inoculated plants show similar or even lower yields when treated with 20 ppm soil P or higher. As the phosphorus concentration increases to 25, 30, and 40 ppm soil P, the benefits of mycorrhizal inoculation are lost. These higher levels of phosphorus, specifically 25, 30, and 40 ppm soil P, significantly depress arbuscular mycorrhizal colonization. Ultimately, increasing phosphorus amendments beyond the 10 ppm level provides no further benefit to the growth of Eucalyptus tereticornis.
Preparations
Eucalyptus tereticornis is prepared as essential oil through various extraction methods to analyze its chemical properties. In Guangxi province, researchers analyzed the essential oil obtained from both the leaves and the fruits of this specific species. Another study utilized hydrodistillation to extract essential oils from the leaves of Eucalyptus tereticornis for further evaluation. These essential oils were then examined using GC-MS-FID to determine their specific chemical compositions. The resulting extracts highlight the plant's capacity to be prepared as essential oils for medicinal and nutraceutical research.
Parts used
Eucalyptus tereticornis is a versatile medicinal plant that possesses distinct chemical properties within its various anatomical parts. Scientific analysis has shown that both the leaves and the fruits of this species contain essential oils with unique compound profiles. Specifically, the leaves are a rich source of eucalyptol and 1R-alpha-pinene, and they also yield ursolic acid, which shows significant anti-filarial potential. Meanwhile, the fruits contribute a different essential oil composition, characterized by high levels of 1R-alpha-pinene and D-limonene. Together, these components highlight the diverse therapeutic and chemical value found in the different parts of the plant.