Neoboutonia melleri

Names and Synonyms

Scientific Names

Accepted name

Synonyms

• Oxydectes nilotica
• Croton niloticus
• Neoboutonia canescens
• Mallotus melleri
• Neoboutonia chevalieri
• Neoboutonia melleri var. canescens
• Neoboutonia melleri var. velutina
• Neoboutonia velutina

Sources: Wikidata

Taxonomical Classification

This plant belongs to the kingdom Plantae and the phylum Streptophyta, falling under the class Equisetopsida and subclass Magnoliidae. Within the order Malpighiales, it is classified under the family Euphorbiaceae. Its taxonomic designation is completed by its placement in the genus Neoboutonia, specifically as the species Neoboutonia melleri.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a specific geographical distribution concentrated within the tropical regions of Africa. In West Tropical Africa, its presence is documented in Nigeria. Moving into the West-Central Tropical Africa zone, the species can be found across several different nations. Specifically, it inhabits the territories of the Central African Republic, Cameroon, and Congo. Finally, its range extends into the forested landscapes of Gabon.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Life history

The life history of Neoboutonia melleri is characterized by a perennial lifecycle, allowing the plant to persist through multiple growing seasons. In terms of its structural growth strategy, it is classified as a phanerophyte, specifically exhibiting characteristics of both phanerophyte and nanophanerophyte life forms, which indicates that its regenerative buds are located on aerial branches well above the ground level.

Life form :

phanerophyte

Lifecycle :

perennial

Morphology

The morphology of Neoboutonia melleri is characterized by its robust growth form as a woody tree. It is a terrestrial species that functions as an independent organism rather than a parasite or epiphyte. In terms of stature, the plant exhibits significant variation in height, with a minimum recorded height of 3.5 m, a maximum of approximately 6.10 m, and a mean height of 9 m. Although it possesses a self-supporting structure rather than acting as a liana or vine, its development is defined by its sturdy, woody constitution.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

tree

Parasite :

independent

Plant height max:

6.096074128 m

Plant height mean:

9 m

Plant height min:

3.5 m

Woodiness :

woody

Physiology

The physiology of Neoboutonia melleri is characterized by a metabolic framework utilizing the C3 photosynthetic pathway, which dictates its carbon fixation processes and gas exchange mechanisms. In this C3 system, the initial fixation of atmospheric carbon dioxide is mediated by the enzyme ribulose-1,5-bisphosphate carboxylase/oxygenase (RuBisCO), which catalyzes the reaction between $\text{CO}_2$ and ribulose-1,5-bisphosphate to form two molecules of 3-phosphoglycerate. Unlike C4 or CAM plants, N. melleri does not possess specialized Kranz anatomy or temporal separation of carbon fixation, meaning its photosynthetic activity occurs primarily within the mesophyll cells during daylight hours. This physiological reliance on the C3 pathway implies that the plant's efficiency is sensitive to photorespiration, particularly under conditions of high temperature or limited water availability, where the oxygenase activity of RuBisCO may increase relative to its carboxylase activity.

Photosynthetic pathway :

C3

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Neoboutonia melleri 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. BMC complementary and alternative medicine

Activities

Neoboutonia melleri has 2 reported activities identified across 1 scientific publications and several other databases. The most consistently reported activities include Antioxidant, Hepatoprotective.

Antioxidant

1. BMC complementary and alternative medicine

Hepatoprotective

1. BMC complementary and alternative medicine