Maytenus acuminata

Names and Synonyms

Scientific Names

Accepted name

Distribution

This plant, known as Maytenus acuminata, exhibits a specific geographical distribution concentrated within West-Central Tropical Africa. Its presence is well-documented across several key nations in this lush, equatorial region. Specifically, the species can be found growing in the territories of Burundi and Cameroon. It is also distributed throughout the dense landscapes of Gabon and Rwanda. Finally, the plant's range extends significantly into the Democratic Republic of the Congo.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Maytenus acuminata is characterized by its ability to inhabit a diverse range of altitudinal gradients, demonstrating significant adaptability across varied topographical landscapes. This species is found across an expansive elevational range, beginning at low-lying areas as low as 5 m AMSL and extending up to a maximum altitude of 1293 m AMSL. This broad vertical distribution suggests that the plant can tolerate a variety of microclimates, ranging from humid lowland environments to more temperate montane zones, allowing it to occupy various niches within its natural habitat.

Elevational range max:

1293 m AMSL

Elevational range min:

5 m AMSL

Life history

The life history of Maytenus acuminata is characterized by its status as a perennial organism, allowing it to persist in its environment over multiple growing seasons. As a long-lived species, it bypasses the shorter life cycles of annuals and biennials, instead focusing on sustained vegetative growth and repeated reproductive cycles. This perennial nature enables the plant to establish a stable presence within its ecological niche, developing robust structural components that support its development through successive years.

Lifecycle :

perennial

Morphology

The morphology of Maytenus acuminata is characterized by a woody growth form, functioning as a self-supporting tree. It is an independent organism that does not act as a parasite or an epiphyte, maintaining a terrestrial lifestyle. The plant typically reaches a height ranging from a minimum of 0.5 meters to a maximum of 4 meters. While its habitat can span various moisture levels, its primary ecological classification is terrestrial, though it can be found in semiaquatic environments.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

tree

Parasite :

independent

Plant height max:

4 m

Plant height min:

0.5 m

Woodiness :

woody

Physiology

The physiology of Maytenus acuminata is fundamentally characterized by its utilization of the C3 photosynthetic pathway, a mechanism wherein carbon dioxide is fixed directly into a three-carbon compound during the initial stages of the Calvin cycle. This metabolic process involves the enzyme RuBisCO facilitating the carboxylation of ribulose-1,5-bisphosphate, which is the standard carbon fixation strategy for most woody dicotyledonous plants. Because it lacks the specialized anatomical adaptations of C4 plants or the temporal separation of gas exchange found in CAM plants, its physiological efficiency is highly dependent on environmental factors such as light intensity, temperature, and water availability. Under optimal conditions, the C3 pathway allows for efficient biomass production, though it remains susceptible to photorespiration when stomatal conductance decreases due to water stress.

Photosynthetic pathway :

C3

Reproduction

The reproduction of Maytenus acuminata is characterized by the development of a specialized fruit type classified as "other," which serves as the primary vessel for seed protection and transport. These fruits are relatively small in dimension, possessing a mean length of 0.8 cm and a mean width of 0.6 cm. The dispersal of the resulting seeds follows a zoochorous syndrome, indicating that the plant relies on animals to facilitate the movement and distribution of its offspring throughout its habitat.

Dispersal syndrome :

zoochorous

Fruit length mean:

0.8 cm

Fruit type :

other

Fruit width mean:

0.6 cm

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Maytenus acuminata has 2 reported plant parts identified across 2 scientific publications and several other databases that are studied for medicinal purposes. The most consistently reported plant part include leaf, root.

Leaf

1. Phytotherapy research : PTR

Root

1. Phytotherapy research : PTR

Preparations

Maytenus acuminata has 2 reported preparations identified across 2 scientific publications and several other databases. The most consistently reported preparations include L/RB, root bark and/or leaf extracts.

L/rb

1. Journal of ethnopharmacology

Root bark and/or leaf extracts

1. Phytotherapy research : PTR