Uvaria acuminata

Names and Synonyms

Scientific Names

Accepted name

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae and the phylum Streptophyta, falling under the class Equisetopsida and subclass Magnoliidae. Within the order Magnoliales, it is classified under the family Annonaceae. Ultimately, its specific taxonomic placement is within the genus Uvaria.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a broad distribution across several key regions in the African continent and surrounding islands. In Northeast Tropical Africa, its presence is noted in Somalia. It is also widely found throughout East Tropical Africa, specifically within the borders of Kenya and Tanzania. Moving further south, the species can be located in South Tropical Africa within Mozambique. Finally, its range extends into the Western Indian Ocean, where it is found on the island of Madagascar.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Uvaria acuminata is defined by its preference for densely vegetated environments, where it typically thrives within the structural complexity of forests, woodlands, bushland, and thickets. In these habitats, the plant utilizes the shaded or semi-shaded conditions provided by larger canopy trees to regulate moisture levels and protect its delicate foliage from direct, intense solar radiation. By occupying these diverse ecological niches, particularly in thickets and woodland understories, it benefits from the nutrient-rich organic matter found in the leaf litter and the stable microclimates characteristic of established forest ecosystems. This positioning allows it to integrate into the layered architecture of the vegetation, contributing to the local biodiversity of its native woodland and bushland territories.

Habitat :

forest, woodland, bushland, thicket

Life history

The life history of Uvaria acuminata is characterized by its nature as a perennial species, allowing the plant to persist through multiple growing seasons. As a long-lived woody plant, it establishes a robust structural foundation that supports its continuous development over many years. Its lifecycle involves a sustained vegetative growth phase where it develops its climbing or scandent habit, followed by periodic reproductive cycles. Throughout its perennial existence, the plant undergoes seasonal shifts in energy allocation, transitioning between periods of active foliage production and the flowering and fruiting stages necessary for genetic dispersal. This enduring lifecycle enables the species to maintain a stable presence within its ecological niche, gradually accumulating biomass and establishing an extensive root system to support its long-term survival.

Lifecycle :

perennial

Morphology

The morphology of Uvaria acuminata is characterized by a woody growth form, typically presenting as a shrub or a liana. As an obligatory climber, it utilizes a liana growth habit to ascend, reaching an average plant height of approximately 3.5 m. The plant is a terrestrial species, functioning as an independent organism rather than a parasite or an epiphyte. Its structure is defined by its woody nature, supporting its climbing lifestyle within its natural habitat.

Aquatic :

terrestrial

Climber :

liana

Climber :

obligatory

Epiphyte :

terrestrial

Growth form :

shrub

Parasite :

independent

Plant height mean:

3.5 m

Woodiness :

woody

Physiology

The physiology of Uvaria acuminata is characterized by complex metabolic pathways primarily centered around the biosynthesis of bioactive secondary metabolites, including alkaloids, terpenoids, and polyphenols, which are synthesized to facilitate chemical defense and environmental adaptation. As a woody climber, its physiological processes involve highly efficient transpiration rates and specialized vascular transport mechanisms to support its climbing habit and nutrient distribution across expansive foliage. Regarding its nutrient acquisition strategies, the plant does not engage in symbiotic nitrogen fixation; specifically, it is not a nitrogen fixer, meaning it lacks the specialized root nodules required to convert atmospheric nitrogen into usable forms and must instead rely on the uptake of inorganic nitrogen, such as nitrates and ammonium, from the soil through its root system. This reliance on soil-available nitrogen dictates its metabolic requirements and its ecological niche within its native forest habitats.

Nitrogen fixer :

no

Reproduction

The reproduction of Uvaria acuminata is driven by biotic pollination mechanisms, specifically relying on animal vectors to facilitate genetic exchange. The pollination syndrome is characterized by insect involvement, with bees playing a significant role in the transfer of pollen between flowers. Following successful fertilization, the plant produces seeds that exhibit specific morphological weight characteristics. The seed mass for this species is relatively small, with a recorded minimum mass of 0.06258 g and a maximum mass of 0.0979 g, resulting in an average seed mass of approximately 0.08024 g.

Pollination syndrome :

insect

Pollination syndrome :

bee

Pollination syndrome :

biotic

Seed mass max:

0.0979 g

Seed mass mean:

0.08024 g

Seed mass min:

0.06258 g

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Uvaria acuminata has 6 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include Acumitin, Isouvaretin, Uvangoletin, Uvaretin, benzylbenzoate.

Acumitin

1. Chemical & pharmaceutical bulletin

Isouvaretin

1. Chemical & pharmaceutical bulletin

Uvangoletin

1. Chemical & pharmaceutical bulletin

Uvaretin

1. Chemical & pharmaceutical bulletin

benzylbenzoate

1. Chemical & pharmaceutical bulletin

diuvaretin

1. Chemical & pharmaceutical bulletin

Activities

Uvaria acuminata has 2 reported activities identified across 0 scientific publications and several other databases. The most consistently reported activities include Antiplasmodial, Toxic.

Antiplasmodial

1. Journal of ethnopharmacology

Toxic

1. Journal of ethnopharmacology

Conditions

Uvaria acuminata has 3 reported investigations on conditions identified across 0 scientific publications and several other databases. The most consistently reported conditions include Plasmodium falciparum, anemia, malaria.

Plasmodium falciparum

1. Journal of ethnopharmacology

Anemia

1. Journal of ethnopharmacology

Malaria

1. Journal of ethnopharmacology

Preparations

Uvaria acuminata has 1 reported preparations identified across 0 scientific publications and several other databases. The most consistently reported preparations include Methanolic extracts.

Methanolic extracts

1. Journal of ethnopharmacology