Khaya anthotheca

Khaya anthotheca · Accepted scientific name

Scientific literature: Very Sparse (3 studies) · ★☆☆☆☆

Khaya anthotheca is a versatile medicinal plant known for its potent antibacterial, antifungal, and antiplasmodial activities. Various parts of the plant, including the leaves, seeds, and stems, are utilized to produce therapeutic preparations such as crude acetone extracts and methanolic stem bark extracts. Research has highlighted the presence of significant chemical compounds within the species, most notably 7-deacetylkhivorin and grandifolione. These bioactive components are studied for their ability to combat various conditions, ranging from common bacteria to more severe threats like Aspergillus fumigatus and candidiasis. Furthermore, extracts derived from the petroleum ether and stem barks show promise in managing clinical issues such as fevers.

Quick facts
Synonyms
Garretia Anthoteca · Khaya Wildemanii
Common names
Not available
Family
Meliaceae
Distribution
Africa
Plant Parts
Stem · Leaf

Classification

Common Names

Khaya anthotheca is a remarkable tree species known by several distinct regional and common names. It is widely recognized in various parts of the world as Acajou Blanc or Acajou d'Afrique. In different linguistic contexts, the tree is also referred to as East African Mahogany. Local communities may use specific traditional names such as M'bhaua to identify this valuable timber source. Finally, it is frequently called Mkangazi, reflecting the diverse terminology used to describe its presence across different landscapes.

Sources: Catalogue of Life (COL)

Synonyms

Khaya anthotheca is a species that is frequently identified by various botanical names in scientific literature. Due to historical taxonomic shifts, it is often listed under the synonym Garretia anthoteca. Researchers also recognize Khaya wildemanii as an alternative name for this specific plant. Understanding these nomenclatural connections is essential for ensuring accuracy in botanical studies. Navigating these relationships allows botanists to maintain consistency when documenting the tree's diverse classification history.

Sources: The World Checklist of Vascular Plants (WCVP)

Taxonomy

Khaya anthotheca is a distinctive member of the kingdom Plantae. Within this vast biological realm, the species belongs to the class Equisetopsida. It is further classified under the order Sapindales, which connects it to several other important plant groups. This tree is a prominent representative of the genus Khaya. Finally, it is situated within the Meliaceae family, highlighting its specific botanical lineage.

Rank Classification
Kingdom Plantae
Phylum Streptophyta
Class Equisetopsida
Subclass Magnoliidae
Order Sapindales
Family Meliaceae
Genus Khaya

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

Geographic Regions

Khaya anthotheca is a versatile species widely distributed across the diverse landscapes of the African continent. Its presence is noted in East Tropical Africa, specifically within the borders of Uganda. The plant also extends into Northeast Tropical Africa, finding suitable habitats in the Sudan and South Sudan regions. Moving across the continent, its range reaches into South Tropical Africa via Angola and into West Tropical Africa through Guinea. Finally, this species maintains a foothold in West-Central Tropical Africa, with documented occurrences in Burundi.

Sources: The World Checklist of Vascular Plants (WCVP)

Identification

Morphology

Khaya anthotheca is a magnificent self-supporting tree characterized by its impressive structural presence. This species exhibits significant vertical diversity, with individual specimens ranging in height from as little as 1 meter to more substantial sizes. While some smaller trees may be found, many reach a notable minimum height of 52.5 meters. At its most grand, the growth form can soar to a maximum height of approximately 54.86 meters. Such vast dimensions underscore the majestic stature this tree maintains within its natural environment.

Sources: Global Inventory of Floras and Traits (GIFT)

Biological Activities

Khaya anthotheca stands out as a highly versatile medicinal plant within the Ugandan flora, demonstrating a broad range of pharmacological activities. Research indicates that its bark and resin possess potent antibacterial properties, showing significant effectiveness against pathogens such as E. faecium and E. coli. Furthermore, methanol extracts of the species exhibit strong antifungal activity, proving particularly useful for inhibiting various Candida strains. The plant also displays significant antiplasmodial potential, with certain extracts showing high potency against Plasmodium falciparum. These combined medicinal qualities suggest that Khaya anthotheca serves as a vital resource for both human traditional medicine and natural self-medication in wildlife.

Compounds

Khaya anthotheca is a significant plant species known for its deep roots in both traditional human medicine and the self-medicating behaviors of non-human primates. Scientific analysis of the plant's seeds has successfully identified several bioactive limonoids within its chemical profile. Specifically, research confirms that Khaya anthotheca contains 7-deacetylkhivorin, a compound noted for its antitrypanosomal and antileishmanial properties. Additionally, the plant contains grandifolione, which has demonstrated notable antiprotozoal activity against Plasmodium falciparum. These findings provide biological evidence that supports the long-standing ethnomedicinal use of this species for treating various infections and fevers.

Conditions

Khaya anthotheca serves as a traditional remedy for the management of candidiasis. The plant is also widely utilized to treat various febrile conditions and fevers. Scientific investigations have confirmed its antifungal efficacy against the pathogen Candida albicans. Furthermore, the extracts of this species demonstrate the ability to treat Aspergillus fumigatus. Research through bioautographic methods also shows that Khaya anthotheca is effective in treating Cryptococcus neoformans.

Preparations

Khaya anthotheca is prepared as stem barks to facilitate various medicinal applications. These stem barks are further processed into different forms, including crude acetone extracts. Additionally, the plant is prepared as a methanolic stem bark extract for toxicity and antifungal studies. Researchers also utilize Khaya anthotheca as a petroleum ether extract to isolate specific limonoids. These diverse preparation methods allow for the investigation of the plant's therapeutic potential against various pathogens.

Parts used

Khaya anthotheca is a versatile medicinal plant that offers various parts for therapeutic use, including the stem, leaf, and seed. Research indicates that the stem bark is particularly valuable for producing methanol extracts used to combat fungal infections like candidiasis. Additionally, the leaves have been investigated for their potential in inhibiting the viability of malaria parasites. The seeds also demonstrate significant medicinal properties, specifically through the presence of compounds that provide antiprotozoal activity. Together, these different plant parts highlight the immense ethnomedicinal importance of this species in both human and animal self-medication.