West African Pepper

Names and Synonyms

Common Names

• West African Pepper
• Benin pepper
• Guinea cubeb
• ashanti pepper
• pepper

Scientific Names

Accepted name

Synonyms

• Piper clusii
• Piper laurentii
• Piper guineense var. gilletii
• Piper guineense var. thomeanum
• Piper leonense
• Piper guineense var. velutinum
• Piper famechonii
• Piper guineense var. clusii
• Piper sclerocladum
• Piper demeusei
• Piper guineense var. congolense
• Cubeba clusii
• Piper zenkeri

Regional and Traditional Names

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant, known scientifically as Piper guineense, belongs to the kingdom Plantae and the phylum Streptophyta. Within the class Equisetopsida and subclass Magnoliidae, it is classified under the order Piperales and the family Piperaceae. Finally, it is placed within the genus Piper.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant, Piper guineense, exhibits a specific geographical range concentrated within the West Tropical Africa region. It can be found growing naturally in the coastal and forest areas of Benin. Its distribution also extends to the West African nation of Gambia. Furthermore, the species is documented to inhabit the territories of Ghana and Guinea-Bissau. Finally, the plant's presence is also noted within the borders of Guinea.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Life history

The life history of Piper guineense is characterized by its status as a perennial plant, allowing it to persist in its environment over multiple growing seasons. As a phanerophyte, its regenerative buds are located on aerial shoots well above the ground, a structural adaptation that supports its climbing or shrubby growth habit. Throughout its life cycle, the plant maintains an evergreen nature, ensuring that it retains its foliage and continues photosynthetic activity regardless of seasonal changes. This combination of a long-lived lifecycle, a phanerophyte life form, and constant greenery enables the species to maintain a stable presence within its ecological niche.

Deciduousness :

evergreen

Life form :

phanerophyte

Lifecycle :

perennial

Morphology

The morphology of Piper guineense is characterized by its robust, woody structure and its habit as an obligatory climbing liana. It functions as an independent organism, not acting as a parasite or an epiphyte, and maintains a strictly terrestrial existence. As a woody tree-like climber, it exhibits significant vertical growth, with its height typically ranging from a minimum of 4 meters to a maximum of approximately 12.19 meters, though it can reach a mean height of 15 meters in certain environments.

Aquatic :

terrestrial

Climber :

liana

Climber :

obligatory

Epiphyte :

terrestrial

Growth form :

tree

Parasite :

independent

Plant height max:

12.19214826 m

Plant height mean:

15 m

Plant height min:

4 m

Woodiness :

woody

Physiology

The physiology of Piper guineense is characterized by complex metabolic pathways that facilitate its growth in tropical understory environments, primarily driven by efficient photosynthetic processes and specialized secondary metabolism. The plant utilizes a C3 photosynthetic pathway to convert light energy into chemical energy, supporting the development of its characteristic pungent leaves and woody stems. A key physiological aspect of its nutrient acquisition is its interaction with the soil; regarding its ability to perform biological nitrogen fixation, the plant is not a nitrogen fixer, meaning it relies on the uptake of nitrates and ammonium from the soil rather than establishing symbiotic relationships with diazotrophic bacteria to convert atmospheric nitrogen. Instead, its physiological vigor is maintained through a robust root system designed for efficient mineral absorption and a sophisticated chemical defense mechanism involving the synthesis of bioactive alkaloids and essential oils, which serve to regulate its internal homeostasis and protect against herbivory.

Nitrogen fixer :

no

Reproduction

The reproduction of Piper guineense is characterized by a specific seasonal flowering pattern and a reliance on external pollination mechanisms. The flowering period typically begins in May, though the overall duration and cycle can be variable depending on environmental conditions. Notably, the process of self-fertilization is absent in this species, indicating a requirement for cross-pollination to ensure successful genetic recombination. Following the flowering stage, the plant enters its fruiting phase; however, the timing for both the onset and the conclusion of fruit development is highly variable throughout the months of the year, lacking a strictly fixed seasonal window.

Flowering time :

May

Fruiting time :

variable

Self fertilization :

absent

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Piper guineense has 4 reported plant parts identified across 6 scientific publications and several other databases that are studied for medicinal purposes. The most consistently reported plant part include fruit, leaf, seed, stem.

Fruit

1. Antibiotics (Basel, Switzerland)
2. Journal of ethnopharmacology

Leaf

1. Phytotherapy research : PTR
2. Antibiotics (Basel, Switzerland)

Seed

1. Phytotherapy research : PTR

Stem

1. Die Pharmazie

Chemicals

Piper guineense has 27 reported phytochemicals identified across 6 scientific publications and several other databases. The most consistently reported chemicals include piperine, CATECHIN, Dihydrocubebin, Dihydropiperine, Dihydropiperlonguminine.

piperine

1. Lloydia
2. Antibiotics (Basel, Switzerland)

CATECHIN

1. Toxicology reports

Dihydrocubebin

1. Lloydia

Dihydropiperine

1. Antibiotics (Basel, Switzerland)

Dihydropiperlonguminine

1. Antibiotics (Basel, Switzerland)

Dihydrowisanine

1. Antibiotics (Basel, Switzerland)

Flavonoid

1. Annales pharmaceutiques francaises

Iyeremide A

1. Die Pharmazie

Iyeremide B

1. Die Pharmazie

LIMONENE

1. Journal of ethnopharmacology

Activities

Piper guineense has 10 reported activities identified across 6 scientific publications and several other databases. The most consistently reported activities include Antioxidant, Antibacterial, Anticonvulsant, Antifungal, Antimicrobial.

Antioxidant

1. Food chemistry
2. Experimental and toxicologic pathology : official journal of the Gesellschaft fur Toxikologische Pathologie

Antibacterial

1. Antibiotics (Basel, Switzerland)

Anticonvulsant

1. Journal of ethnopharmacology

Antifungal

1. Mycoses

Antimicrobial

1. Environmental science and pollution research international

Antipsychotic

1. Journal of ethnopharmacology

CNS-Depressant

1. Journal of ethnopharmacology

Hypothermic

1. Journal of ethnopharmacology

Oxytocic

1. Phytotherapy research : PTR

Sedative

1. Journal of ethnopharmacology

Conditions

Piper guineense has 9 reported investigations on conditions identified across 6 scientific publications and several other databases. The most consistently reported conditions include oxidative stress, asthma, erectile dysfunction, febrile convulsions, fever.

Oxidative stress

1. Food chemistry
2. Experimental and toxicologic pathology : official journal of the Gesellschaft fur Toxikologische Pathologie

Asthma

1. African journal of traditional, complementary, and alternative medicines : AJTCAM

Erectile dysfunction

1. Current urology reports

Febrile convulsions

1. Journal of ethnopharmacology

Fever

1. Journal of ethnopharmacology

Foodborne illness

1. Environmental science and pollution research international

Infectious diseases

1. Antibiotics (Basel, Switzerland)

Lipid peroxidation

1. Toxicology reports

Mental disorders

1. Journal of ethnopharmacology

Preparations

Piper guineense has 7 reported preparations identified across 6 scientific publications and several other databases. The most consistently reported preparations include Extracts, aqueous extracts, essential oil obtained from the plant׳s fresh fruits, extracts, methanol extracts.

Extracts

1. Heliyon

Aqueous extracts

1. Behavioural pharmacology

Essential oil obtained from the plant׳s fresh fruits

1. Journal of ethnopharmacology

Extracts

1. Mycoses

Methanol extracts

1. Fitoterapia

Plant extracts

1. Experimental and toxicologic pathology : official journal of the Gesellschaft fur Toxikologische Pathologie

Stem extracts

1. Die Pharmazie