Eucalyptus camaldulensis

Eucalyptus camaldulensis · Accepted scientific name

Scientific literature: Very Sparse (4 studies) · ★☆☆☆☆

Eucalyptus camaldulensis is a versatile botanical species widely recognized for the diverse pharmacological potential found within its leaves. Research into various preparations, including 80% methanolic extracts, acetone and hexane leaf extracts, and 40%-MeOH fractions, has revealed significant biological properties. These extracts exhibit potent antifungal activities against pathogens such as Escherichia coli, Staphylococcus aureus, Aspergillus flavus, and Aspergillus niger. The chemical profile of the plant is characterized by essential compounds like 1,8-Cineole, -Terpinen, Limonene, and Pinene. Furthermore, these components contribute to complex physiological effects, including ACE-inhibitor, (-)-Inotropic, and (-)-Chronotropic activities.

Quick facts
Synonyms
Not available
Common names
Not available
Family
Myrtaceae
Distribution
Not available
Plant Parts
Leaf

Classification

Common Names

Eucalyptus camaldulensis is a versatile species known by several distinct regional names across the globe. In various contexts, it is commonly referred to as Eucalipto rosso or Eucaliptus bord. The tree also carries the name Febertræ in certain linguistic traditions. In French-speaking areas, it is frequently identified as either Gommier des rivières or Gommier rouge. These diverse common names highlight the widespread presence and cultural recognition of this remarkable plant.

Sources: Catalogue of Life (COL)

Taxonomy

Eucalyptus camaldulensis belongs to the expansive kingdom Plantae, serving as a vital component of the natural world. Within this kingdom, the species is classified under the class Equisetopsida. It further falls into the order Myrtales, which helps define its evolutionary path. As a member of the Myrtaceae family, it shares distinct botanical characteristics with many other fragrant shrubs and trees. Ultimately, this plant is defined by its placement within the prominent genus Eucalyptus.

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 camaldulensis exhibits a diverse geographic range that spans several distinct regions across the African continent. Within East Tropical Africa, this species is widely distributed throughout the landscapes of Kenya, Tanzania, and Uganda. Its presence extends beyond the mainland to the Macaronesia region, specifically inhabiting the Canary Islands. Furthermore, the plant has established itself in remote maritime locations such as Ascension in the Middle Atlantic Ocean. This broad distribution highlights the remarkable adaptability of the species to various African and Atlantic environments.

Sources: The World Checklist of Vascular Plants (WCVP)

Identification

Morphology

Eucalyptus camaldulensis is a remarkable self-supporting tree that stands as a prominent feature in its natural habitat. This species exhibits a versatile growth form, capable of reaching significant heights depending on its environmental conditions. While some individuals may only reach a modest height of 5 meters, others grow much larger. Typically, these trees maintain a stature between approximately 27.43 and 45 meters. This impressive range of vertical development highlights the adaptability of the species across different landscapes.

Sources: Global Inventory of Floras and Traits (GIFT)

Biological Activities

Eucalyptus camaldulensis has proven to be a highly versatile medicinal plant with significant therapeutic potential across several biological domains. Research demonstrates that its essential oil possesses potent antifungal activity, effectively inhibiting the growth of various dermatophytes and the fungus responsible for charcoal canker. Additionally, the plant has exhibited broad-spectrum antimicrobial properties, making it a notable candidate for treating dermatologically relevant pathogens. Beyond these uses, Eucalyptus camaldulensis also shows promising antiparasitic activity, specifically against challenging organisms like Trypanosoma brucei brucei and Leishmania mexicana mexicana. These diverse biological activities highlight the importance of the species in both traditional pharmacopoeia and modern pharmaceutical development.

Compounds

Eucalyptus camaldulensis serves as a rich source of various bioactive chemical constituents found within its essential oils and leaf extracts. Detailed GC-MS analysis has revealed that the plant contains several key compounds, including terpinen, limonene, and pinene. Additionally, the presence of alcohol within its essential oil profile contributes to its complex phytochemical makeup. Research into the plant's medicinal potential has further identified alpha-cadinol as a significant lead compound for enzyme inhibition. Together, these diverse components underscore the therapeutic versatility of this species in various pharmacological applications.

Conditions

Eucalyptus camaldulensis demonstrates significant biological utility through its diverse antimicrobial and repellent properties. The plant's essential oils provide effective protection against mosquito species, specifically treating Culex pipiens, Aedes aegypti, and Aedes albopictus. In addition to insect repellency, the plant exhibits potent antibacterial activity against various pathogens. It is specifically noted for its ability to treat the bacteria Escherichia coli and Staphylococcus aureus. These combined characteristics highlight the plant's potential for managing both insect vectors and bacterial infections.

Preparations

Eucalyptus camaldulensis is prepared as a 40%-MeOH fraction to achieve high inhibitory effects against Tax activities in HTLV-1 research. This plant is also prepared as 80% methanolic extracts via maceration to evaluate its in vitro anti-mycobacterial activity against Mycobacterium strains. For the purpose of investigating larvicidal efficacy against mosquito species, it is prepared as acetone and hexane leaf extracts. The species serves as a major floral source where it is prepared as bee pollen characterized by high ash and potassium content. Finally, Eucalyptus camaldulensis is prepared as essential oils through hydrodistillation to study its chemical composition and antioxidant properties.

Parts used

Eucalyptus camaldulensis serves as a versatile source of medicinal compounds, particularly when derived from its leaves. Research indicates that the essential oil extracted from these leaves demonstrates significant antifungal properties against various dermatophytes. Additionally, methanolic extracts of the plant have shown promising anti-mycobacterial activity against strains of Mycobacterium tuberculosis and Mycobacterium bovis. Beyond human health, leaf extracts from this species also exhibit growth inhibitory effects on certain bacteria found in the hindguts of termites. These diverse applications highlight the therapeutic and biological control potential inherent in the foliage of Eucalyptus camaldulensis.