Hunteria zeylanica

Hunteria zeylanica · Accepted scientific name

Scientific literature: Very Sparse (2 studies) · ★☆☆☆☆

Hunteria zeylanica is a significant botanical species known for its diverse pharmacological potential. Researchers frequently utilize the leaves, stems, and bark of this plant to create various preparations, including alkaloid, aqueous MeOH, and butanol-fraction extracts. Phytochemical investigations have identified key bioactive compounds such as 3-Epivobasinol, Dihydrocorynantheol, Geissoschizol, and Hunterioside. These chemical constituents contribute to notable antinociceptive and antipyretic activities within biological systems. Furthermore, studies have specifically examined the plant's influence on physiological conditions like capillary permeability and locomotor activity.

Quick facts
Synonyms
Cameraria Zeylanica · Gynopogon Lanceolatus · 10 more
Common names
Not available
Family
Apocynaceae
Distribution
Africa
Plant Parts
Leaf · Stem

Classification

Common Names

Hunteria zeylanica is a fascinating botanical species known by a diverse array of regional names across different cultures. In certain local contexts, it is referred to by the common name N'dhudhu-nhanga de floresta. It is also frequently recognized simply as huntaria in various botanical circles. Furthermore, the plant holds significance in East Asian regions, where it is known as 仔榄树. These varied names highlight the global presence and cultural importance of this unique plant.

Sources: Catalogue of Life (COL)

Synonyms

Hunteria zeylanica is a botanical species known by several different scientific names throughout various taxonomic records. It has been historically identified by the synonyms Cameraria zeylanica and Gynopogon lanceolatus. The plant's classification also encompasses the name Hunteria africana in certain contexts. Furthermore, the species is linked to Hunteria corymbosa within many botanical databases. This complex web of nomenclature even includes the specific variety known as Hunteria corymbosa var. roxburghiana.

Sources: The World Checklist of Vascular Plants (WCVP)

Taxonomy

Hunteria zeylanica is a distinctive organism belonging to the kingdom Plantae. Within this vast biological kingdom, the species is classified under the class Equisetopsida. It is further organized into the order Gentianales, showcasing its specific evolutionary lineage. The plant is a member of the genus Hunteria, which defines its primary botanical characteristics. Finally, it finds its place within the family Apocynaceae, linking it to a diverse group of flowering plants.

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

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

Geographic Regions

Hunteria zeylanica is a versatile plant species with a widespread geographic presence spanning two distinct continents. In Africa, it can be found across various tropical regions, including East Tropical Africa in Kenya and Tanzania. Its range further extends into Northeast Tropical Africa within Somalia and reaches down to South Tropical Africa in Mozambique. Beyond the African continent, the species also inhabits the temperate regions of Asia. Specifically, it is documented growing in the Hainan province of China.

Sources: The World Checklist of Vascular Plants (WCVP)

Identification

Morphology

Hunteria zeylanica is a distinctive tree species characterized by its robust, self-supporting growth form. This plant typically reaches a maximum height of approximately 15 meters in ideal conditions. However, many specimens may stabilize at a more modest stature of around 7.67 meters. These physical attributes allow the species to establish a strong presence within its natural habitat.

Sources: Global Inventory of Floras and Traits (GIFT)

Biological Activities

Hunteria zeylanica possesses significant pharmacological properties that make it a subject of interest for medicinal research. Studies focusing on alkaloids extracted from its stem bark have demonstrated clear antinociceptive activity by reducing pain-related responses in various tests. Specifically, the extract has been shown to decrease writhing induced by acetic acid and increase the nociceptive threshold in inflamed tissues. Additionally, the plant exhibits notable antipyretic effects, as it dose-dependently reduces hyperthermia without affecting normal body temperatures. These findings suggest that the plant's ability to alleviate pain may be closely linked to its underlying anti-inflammatory actions.

Compounds

Hunteria zeylanica serves as a rich botanical source for a diverse array of chemically significant indole alkaloids. Scientific investigations have successfully isolated specific compounds from its leaves and twigs, including the vobasine-type 3-Epivobasinol and the monomeric corymine. Additionally, the plant contains dihydrocorynantheol and geissoschizol, both of which have demonstrated weak insecticidal properties against certain aphids. The chemical profile of the species is further enriched by the presence of hunterioside, a unique glycosidic alkaloid. Together, these various constituents highlight the complex pharmacological and phytochemical potential inherent in this plant.

Conditions

Hunteria zeylanica exhibits various biological activities, including the ability of its butanol and chloroform fractions to prolong pentobarbital-induced sleep. Certain alkaloids isolated from its twigs and leaves, such as hunterizeyline H, demonstrate insecticidal activity against the aphid Rhodobium porosum. The plant's stem bark extracts have been shown to inhibit the increase of vascular permeability induced by acetic acid. Furthermore, oral administration of its alkaloid extract effectively suppresses paw swelling caused by carrageenin-induced edema in rats. Regarding neurological effects, the extracts do not significantly affect convulsions induced by pentylenetetrazole.

Preparations

Hunteria zeylanica is prepared as bark to facilitate the extraction of alkaloids used in studies regarding antinociceptive and antipyretic effects. The plant is also prepared as an alkaloid extract to investigate its inhibitory impact on 5-lipoxygenase activity. Researchers utilize Hunteria zeylanica prepared as an aqueous MeOH extract from twigs and leaves to isolate various indole alkaloids. Additionally, the plant is prepared as a butanol-fraction and a chloroform-fraction to evaluate their distinct effects on locomotor activity and sleep induction in mice.

Parts used

Hunteria zeylanica is a plant of significant pharmacological interest due to the various bioactive compounds found within its different structures. Research indicates that the leaves of the plant contain unique bisindole alkaloids, such as bisnicalaterine A, which have demonstrated moderate cytotoxicity against human cancer cells. Furthermore, extracts from the leaves have been studied for their complex effects on the central nervous system, including their ability to influence sleep and locomotor activity. The stem and bark of the plant also serve as vital sources of medicinal properties, particularly regarding the inhibition of inflammatory pathways. Specifically, alkaloid extracts from the stem bark have shown promise in reducing acute inflammation and providing antinociceptive and antipyretic effects in experimental models.