Vachellia kirkii

Names and Synonyms

Scientific Names

Accepted name

Sources: Wikidata

Distribution

This plant exhibits a broad distribution spanning several distinct regions across the African continent. In West Tropical Africa, its presence is documented in the nations of Guinea and Mali. Moving toward the center of the continent, it can be found within West-Central Tropical Africa in both Rwanda and the DR Congo. Additionally, its range extends into East Tropical Africa, specifically within the borders of Kenya. Together, these locations highlight the diverse ecological zones inhabited by this medicinal species.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Vachellia kirkii is characterized by its specific distribution within varied topographical landscapes, where it occupies a defined altitudinal niche. This species thrives within an elevational range that extends from a minimum of 380 m AMSL to a maximum of 915 m AMSL. This relatively low-to-mid altitude preference suggests an adaptation to specific climatic conditions and soil profiles found within these specific vertical zones, influencing its spatial distribution and the environmental variables it encounters during its growth cycles.

Elevational range max:

915 m AMSL

Elevational range min:

380 m AMSL

Life history

The life history of Vachellia kirkii is characterized by a perennial lifecycle, allowing the plant to persist in its environment over multiple growing seasons rather than completing its cycle in a single year. As a perennial species, it establishes a long-term presence within its ecological niche, often developing robust structural components that support survival through varying environmental conditions. This longevity enables the plant to undergo repeated reproductive cycles, contributing to its stability within its native habitat. Unlike annuals or biennials that face rapid senescence, the perennial nature of Vachellia kirkii facilitates a sustained biological existence, characterized by continuous growth and the ability to recover from seasonal fluctuations.

Lifecycle :

perennial

Morphology

The morphology of Vachellia kirkii is characterized by its growth form as a woody tree, which functions as an independent organism rather than a parasite or epiphyte. As a terrestrial species, it does not exhibit aquatic or semiaquatic tendencies and is classified as a self-supporting plant rather than a climber. In terms of stature, the plant typically reaches a height ranging from a minimum of 2 meters to a maximum of 10 meters.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

tree

Parasite :

independent

Plant height max:

10 m

Plant height min:

2 m

Woodiness :

woody

Physiology

The physiology of Vachellia kirkii is fundamentally characterized by its reliance on the C3 photosynthetic pathway, a mechanism wherein carbon dioxide is fixed directly through the enzyme RuBisCO into a three-carbon compound during the Calvin cycle. This metabolic strategy dictates its carbon assimilation efficiency and water-use patterns, typically favoring environments where moisture is sufficiently available to offset the transpirational costs associated with stomatal conductance. As a C3 plant, its physiological processes involve the direct uptake of atmospheric CO2 through stomata, which then diffuses into the mesophyll cells to drive the light-independent reactions. This pathway influences the plant's overall energy budget, growth rate, and its adaptive responses to varying light intensities and temperature fluctuations within its native ecological niche.

Photosynthetic pathway :

C3

Reproduction

Reproduction in Vachellia kirkii is characterized by the production of seeds that exhibit a highly consistent and uniform mass profile. Detailed morphological data indicates that the seed mass is uniform across the sampled population, with a mean, maximum, and minimum value all recorded at exactly 0.05314 g. This lack of variance in seed weight suggests a highly stabilized reproductive mechanism, ensuring that each seed carries a precise and consistent amount of nutrient reserves for early seedling development.

Seed mass mean:

0.05314 g

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Vachellia kirkii has 1 reported plant parts identified across 1 scientific publications and several other databases that are studied for medicinal purposes. The most consistently reported plant part include leaf.

Leaf

1. Parasitology research

Preparations

Vachellia kirkii has 1 reported preparations identified across 1 scientific publications and several other databases. The most consistently reported preparations include alkaloid leaf extract.

Alkaloid leaf extract

1. Parasitology research