Corynanthe pachyceras

Names and Synonyms

Scientific Names

Accepted name

Synonyms

• Pseudocinchona pachyceras
• Pausinystalia pachyceras
• Pseudocinchona africana

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 Gentianaales, it is classified under the family Rubiaceae. It is further identified by the genus Corynanthe, specifically as the species Corynanthe pachyceras.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant, Corynanthe pachyceras, is found within the specific ecological zones of West Tropical Africa. Its natural range extends across several distinct countries located in this region. Specifically, it can be located in the territories of Benin and Ghana. The distribution also encompasses the nations of Guinea and Ivory Coast. Finally, the species is documented to grow within the borders of Liberia.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Life history

The life history of Corynanthe pachyceras is characterized by its long-term survival strategy as a perennial organism, allowing it to persist in its habitat through multiple growing seasons. Structurally, the species is classified as a phanerophyte, specifically exhibiting traits consistent with both phanerophyte and nanophanerophyte life forms, where its regenerative buds are held well above the ground level on woody stems or branches. This growth habit enables the plant to maintain a stable presence within its ecological niche over an extended period.

Life form :

phanerophyte

Lifecycle :

perennial

Morphology

The morphology of Corynanthe pachyceras is characterized by its robust, woody growth form, specifically identifying it as a tree. It is a terrestrial species that functions as an independent organism, neither acting as a parasite nor an epiphyte. The plant is self-supporting in its structure, rather than behaving as a liana, vine, or climber. In terms of stature, it reaches significant dimensions, with an average plant height of approximately 19.5 m and a maximum recorded height of up to 21.33625945 m.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

tree

Parasite :

independent

Plant height max:

21.33625945 m

Plant height mean:

19.5 m

Woodiness :

woody

Physiology

The physiology of Corynanthe pachyceras is characterized by a standard C3 photosynthetic pathway, a mechanism common to most woody tropical flora where carbon fixation occurs directly via the enzyme RuBisCO within the mesophyll cells. This pathway dictates the plant's metabolic reliance on moderate light intensities and consistent moisture availability to drive the Calvin cycle. Regarding its nutrient acquisition strategies, the plant does not function as a nitrogen fixer, meaning it lacks the specialized symbiotic relationships with diazotrophic bacteria (such as Rhizobium) required to convert atmospheric nitrogen into bioavailable forms. Consequently, its nitrogen metabolism is entirely dependent on the uptake of nitrates and ammonium from the soil through its root system, necessitating a nutrient-rich substrate to support its physiological growth and secondary metabolite production.

Nitrogen fixer :

no

Photosynthetic pathway :

C3

Reproduction

The reproduction of Corynanthe pachyceras is characterized by a flowering cycle that exhibits significant seasonal flexibility. While the plant is capable of flowering throughout various periods of the year, its reproductive activity is noted to have a specific flowering time associated with the month of October. However, the phenology of this species is described as variable, meaning the onset and conclusion of the flowering period can shift depending on environmental conditions. Specifically, the flowering start is recorded in October, and the flowering end is likewise noted in October, though the overarching timeframe encompasses a wide range of months from January through December, reflecting a highly adaptable reproductive strategy.

Flowering time :

Oct

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Corynanthe pachyceras has 8 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include Corynantheidine, Corynantheine, Dihydrocorynantheine, MDA, SOD.

Corynantheidine

1. Planta medica

Corynantheine

1. Planta medica

Dihydrocorynantheine

1. Planta medica

MDA

1. Sexual medicine

SOD

1. Sexual medicine

alpha-Yohimbine

1. Planta medica

corynanthine

1. Planta medica

glutathione

1. Sexual medicine

Activities

Corynanthe pachyceras has 5 reported activities identified across 0 scientific publications and several other databases. The most consistently reported activities include Androgenic, Antioxidant, Antiplasmodial, Aphrodisiac, Cytotoxic.

Androgenic

1. Sexual medicine

Antioxidant

1. Sexual medicine

Antiplasmodial

1. Planta medica

Aphrodisiac

1. Sexual medicine

Cytotoxic

1. Planta medica

Conditions

Corynanthe pachyceras has 4 reported investigations on conditions identified across 0 scientific publications and several other databases. The most consistently reported conditions include hypogonadism, infertility, oxidative stress, sexual health.

Hypogonadism

1. Sexual medicine

Infertility

1. Sexual medicine

Oxidative stress

1. Sexual medicine

Sexual health

1. Sexual medicine