Strychnos congolana

Names and Synonyms

Scientific Names

Accepted name

Synonyms

• Strychnos lecomtei
• Strychnos viridiflora

Sources: Wikidata

Taxonomical Classification

This plant belongs to the kingdom Plantae and the phylum Streptophyta, falling under the class Equisetopsida and subclass Magnoliidae. It is further classified within the order Gentianales and the family Loganiaceae. Finally, its taxonomic identity is defined by the genus Strychnos.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant is primarily distributed across the West Tropical Africa region. Within this vast area, it can be found growing in the country of Benin. Its range also extends to Burkina and Guinea-Bissau. Furthermore, the species is present in Guinea. Finally, its geographical presence includes the Ivory Coast.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Life history

The life history of Strychnos congolana is characterized by its classification as a phanerophyte, specifically manifesting as both a phanerophyte and a nanophanerophyte depending on its developmental stage and environmental niche. As a phanerophyte, its reproductive buds are elevated well above the ground on woody stems, allowing it to thrive in various forest strata. Its growth pattern typically involves the development of woody structures that support its life cycle through seasonal fluctuations, utilizing its perennial nature to maintain stability within its ecosystem. This life form strategy ensures that its vital buds remain protected from herbivory and surface environmental stressors, facilitating long-term survival and consistent reproductive potential within its natural habitat.

Life form :

phanerophyte

Morphology

The morphology of Strychnos congolanay is characterized by its robust, woody growth form, primarily manifesting as a large liana or shrub-like climber. As an obligatory climber, it relies on other structures for support rather than being self-supporting. The plant is strictly terrestrial in its habitat and functions as an independent organism, exhibiting no parasitic or epiphytic behavior. In terms of stature, it is a significant component of its ecosystem, reaching a mean height of approximately 25 m, with maximum recorded heights extending up to 39.62 m.

Aquatic :

terrestrial

Climber :

liana

Climber :

obligatory

Epiphyte :

terrestrial

Growth form :

shrub

Parasite :

independent

Plant height max:

39.62448183 m

Plant height mean:

25 m

Woodiness :

woody

Physiology

The physiology of Strychnos congolana is characterized by complex metabolic pathways centered on the synthesis of potent indole alkaloids, which serve as secondary metabolites for chemical defense. Its vegetative growth and nutrient uptake are governed by standard tropical woody plant processes, involving photosynthetic carbon fixation and the translocation of minerals through a specialized vascular system. Regarding its interaction with soil nutrients, the plant is not a nitrogen fixer; it lacks the symbiotic relationship with nitrogen-fixing bacteria (such as Rhizobium) required to convert atmospheric nitrogen into bioavailable forms, meaning it relies entirely on the uptake of nitrates and ammonium from the soil through its root system. Its metabolic energy is primarily directed toward the biosynthesis of bioactive compounds, which are regulated by internal physiological triggers to deter herbivory and respond to environmental stressors.

Nitrogen fixer :

no

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Strychnos congolana has 1 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include strychnine.

strychnine

1. Toxicon : official journal of the International Society on Toxinology