Neoboutonia macrocalyx

Names and Synonyms

Scientific Names

Accepted name

Distribution

This plant, Neoboutonia macrocalyx, exhibits a specific distribution across several regions of the African continent. Within West-Central Tropical Africa, it can be found in the countries of Burundi, Cameroon, Rwanda, and the Democratic Republic of the Congo. Beyond this central region, its range also extends into East Tropical Africa. Specifically, the species has been documented growing in Kenya. Consequently, its presence spans a diverse longitudinal stretch from the heart of the continent to the eastern coast.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Life history

The life history of Neoboutonia macrocalyx is characterized by its status as a perennial organism, allowing it to persist through multiple growing seasons rather than completing its cycle within a single year. Morphologically, the species is classified under the life form of a phanerophyte, specifically exhibiting traits consistent with both phanerophyte and nanophanerophyte categories. This indicates that its regenerative buds are located high above the ground on aerial stems or branches, a structural adaptation that supports its long-term survival and growth within its ecological niche.

Life form :

phanerophyte

Lifecycle :

perennial

Morphology

The morphology of Neoboutonia macrocalyx is characterized by its stature as a large, woody tree that reaches an average height of 25 m, with individuals ranging from a minimum of 7 m. As a terrestrial species, it grows as an independent organism rather than acting as a parasite or an epiphyte. The plant exhibits a self-supporting growth habit, lacking the climbing mechanisms of vines or lianas, and relies on its sturdy, woody structure to maintain its upright form.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

tree

Parasite :

independent

Plant height mean:

25 m

Plant height min:

7 m

Woodiness :

woody

Physiology

The physiology of Neoboutonia macrocalyx is fundamentally characterized by its C3 photosynthetic pathway, which dictates its metabolic processes and carbon fixation strategies. In this pathway, the enzyme Rubisco facilitates the initial fixation of atmospheric carbon dioxide by attaching it to a five-carbon sugar, ribulose-1,5-bisphosphate, resulting in the immediate production of two molecules of 3-phosphoglycerate. This specific metabolic route implies that the plant relies on the efficient management of stomatal conductance to balance the intake of CO2 for glucose synthesis against the potential for photorespiration and water loss. Consequently, its physiological efficiency is closely tied to environmental factors such as light intensity, ambient temperature, and water availability, which influence the rate of carboxylation and the overall energy budget required for biomass accumulation.

Photosynthetic pathway :

C3

Reproduction

The reproduction of Neoboutonia macrocalyx is characterized by a specialized fruit structure and a specific dispersal mechanism. The plant produces a fruit categorized under the "other" type, which deviates from standard botanical classifications such as capsules or berries, likely reflecting its unique morphological complexity within the Euphorbiaceae family. Following the maturation of these fruits, the plant utilizes a zoochorous dispersal syndrome, relying on animals to facilitate the movement of its seeds to new locations, thereby ensuring the expansion and genetic distribution of the species across its habitat.

Dispersal syndrome :

zoochorous

Fruit type :

other

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Neoboutonia macrocalyx 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 stem.

Stem

1. Journal of natural products

Conditions

Neoboutonia macrocalyx has 1 reported investigations on conditions identified across 1 scientific publications and several other databases. The most consistently reported conditions include malaria.

Malaria

1. Journal of ethnopharmacology

Preparations

Neoboutonia macrocalyx has 3 reported preparations identified across 1 scientific publications and several other databases. The most consistently reported preparations include aqueous extracts, methanol extract of the stem bark, petroleum ether and dichloromethane extracts.

Aqueous extracts

1. Journal of ethnopharmacology

Methanol extract of the stem bark

1. Journal of ethnopharmacology

Petroleum ether and dichloromethane extracts

1. Journal of natural products