Strychnos camptoneura

Names and Synonyms

Scientific Names

Accepted name

Synonyms

• Scyphostrychnos talbotii
• Scyphostrychnos psittaconyx

Sources: Wikidata

Taxonomical Classification

This plant belongs to the kingdom Plantae and is classified under the phylum Streptophyta and class Equisetopsida. Within the subclass Magnoliidae, it is organized under the order Gentianaales and the family Loganiaceae. Ultimately, it is identified by the genus Strychnos.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a specific distribution pattern primarily concentrated within the tropical regions of the African continent. In West Tropical Africa, its presence is recorded across several key nations, including Guinea and the Ivory Coast. It is also documented to grow within the borders of Liberia and Nigeria. Furthermore, the species extends into West-Central Tropical Africa, specifically within the Central African Republic. Collectively, these locations highlight the plant's preference for the humid environments found across these distinct territories.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Life history

The life history of Strychnos camptoneura is characterized by its classification as a phanerophyte, specifically functioning as both a phanerophyte and a nanophanerophyte depending on its developmental stage and environmental context. As a phanerophyte, the plant maintains its perennating buds well above the ground level, typically adopting a woody, climbing, or shrubby growth habit that allows it to navigate its tropical habitat. Its life cycle involves a persistent structural presence where the regenerative organs are elevated, protecting them from seasonal surface changes. This architectural strategy ensures long-term survival through varying environmental conditions, utilizing its elevated bud positions to facilitate continued vegetative growth and reproductive success over multiple seasons.

Life form :

phanerophyte

Morphology

The morphology of Strychnos camptoneura is characterized by its significant stature, reaching an average plant height of approximately 40 m. It is a terrestrial species that exhibits a woody structure, growing as an obligatory liana rather than a self-supporting plant or a simple vine. As an independent organism, it does not function as a parasite or an epiphyte, maintaining its own nutritional processes while utilizing its climbing habit to ascend through its environment.

Aquatic :

terrestrial

Climber :

liana

Climber :

obligatory

Epiphyte :

terrestrial

Parasite :

independent

Plant height mean:

40 m

Woodiness :

woody

Physiology

The physiology of Strychnos camptoneura is characterized by complex metabolic pathways focused on the biosynthesis of various indole alkaloids, which serve as secondary metabolites for chemical defense. Its vegetative processes involve standard photosynthetic mechanisms to convert solar energy into chemical energy, supporting the growth of its woody structures. Regarding its nutrient acquisition and soil interaction, the plant does not possess the physiological mechanisms required for biological nitrogen fixation; therefore, it is not a nitrogen fixer. Unlike leguminous species that maintain symbiotic relationships with diazotrophic bacteria to convert atmospheric nitrogen, Strychnos camptoneura relies entirely on the uptake of dissolved nitrates and ammonium ions from the soil through its root system to fulfill its nitrogen requirements for protein synthesis and cellular development.

Nitrogen fixer :

no

Reproduction

The reproduction of Strychnos camptoneura is characterized by a specific phenological cycle regarding its fruit production. The fruiting process is concentrated within a specific seasonal window, with the fruiting period starting in July. This reproductive phase concludes in July, indicating a highly condensed or singular period of fruit availability within the annual cycle. While the timing is specifically noted around this month, the broader seasonal context allows for variability in the reproductive onset and duration.

Fruiting time :

Jul

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Strychnos camptoneura 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