Blinkblaar

Names and Synonyms

Common Names

• Shiny-leaf
• Glossy Leaf
• Glossy-Leaf
• Kamdebo-stinkwood
• Shiny-Leaved Buckthorn
• Shinyleaf
• shiny-leaf buckthorn

Scientific Names

Accepted name

Synonyms

• Alaternus prinoides
• Rhamnus prinoides var. acuminata
• Rhamnus pauciflora
• Rhamnus celtifolia
• Rhamnus prinoides var. obtusifolia

Regional and Traditional Names

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae and the phylum Streptophyta within the class Equisetopsida. Classified under the subclass Magnoliidae and the order Rosales, it is a member of the Rhamnaceae family. It is further identified by the genus Rhamnus, specifically as the species Rhamnus prinoides.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a diverse geographical distribution across several key regions of the African continent. Within West-Central Tropical Africa, it can be found growing in Cameroon, Rwanda, and the Democratic Republic of the Congo. Additionally, its presence extends into the Northeast Tropical Africa region. Specifically, populations are documented in both Eritrea and Ethiopia. These locations highlight the plant's ability to thrive in varying tropical environments across the continent.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Rhamnus prinoides is defined by its significant adaptability to diverse altitudinal gradients, allowing it to occupy a wide variety of montane and sub-montane habitats. The species exhibits a broad elevational range, thriving at altitudes as low as 5 m AMSL and extending up to a maximum of 2225 m AMSL. This vast vertical distribution suggests that the plant can tolerate diverse microclimates, ranging from lowland warmer zones to higher, cooler montane environments. Such ecological plasticity enables it to integrate into various forest structures and soil types found across these varying elevations, making it a resilient component of its native ecosystems.

Elevational range max:

2225 m AMSL

Elevational range min:

5 m AMSL

Life history

The life history of Rhamnus prinoides is characterized by its status as a perennial plant, allowing it to persist in its environment through multiple growing seasons. As an evergreen species, it maintains its foliage throughout the year, providing a consistent green canopy that does not undergo the seasonal leaf shedding typical of deciduous varieties.

Deciduousness :

evergreen

Lifecycle :

perennial

Morphology

The morphology of Rhamnus prinoides is characterized by a woody growth form that can manifest as both a shrub and a tree. This terrestrial species is self-supporting and functions as an independent organism, rather than acting as a parasite or an epiphyte. In terms of stature, the plant exhibits significant vertical variation, with heights ranging from a minimum of 1 meter to a maximum of 8 meters, maintaining an average plant height of approximately 6.5 meters.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

shrub

Growth form :

tree

Parasite :

independent

Plant height max:

8 m

Plant height mean:

6.5 m

Plant height min:

1 m

Woodiness :

woody

Physiology

The physiology of Rhamnus prinoides is characterized by its metabolic processes and nutrient acquisition strategies. The plant utilizes the C3 photosynthetic pathway, a common mechanism in many woody species where carbon dioxide is fixed directly through the Calvin cycle within the mesophyll cells. In terms of its nitrogen metabolism, Rhamnus prinoides is not a nitrogen fixer, meaning it lacks the symbiotic relationship with nitrogen-fixing bacteria required to convert atmospheric nitrogen into a usable form, and instead relies on the uptake of nitrates and ammonium from the soil through its root system.

Nitrogen fixer :

no

Photosynthetic pathway :

C3

Reproduction

The reproduction of Rhamnus prinoides is characterized by the production of fruit classified as a berry, which remains indehiscent upon maturity. These fruits are relatively small in dimension, maintaining a mean fruit length of 0.5 cm and a mean fruit width of 0.5 cm. The dispersal of the plant follows a zoochorous syndrome, relying on animals to facilitate the movement of its reproductive units. Within these fruits, the seeds exhibit specific mass characteristics, with a mean seed mass of 0.01533 g, ranging from a minimum of 0.01237 g to a maximum of 0.01829 g.

Dehiscence :

indehiscent

Dispersal syndrome :

zoochorous

Fruit length mean:

0.5 cm

Fruit type :

berry

Fruit width mean:

0.5 cm

Seed mass max:

0.01829 g

Seed mass mean:

0.01533 g

Seed mass min:

0.01237 g

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Rhamnus prinoides has 2 reported plant parts identified across 5 scientific publications and several other databases that are studied for medicinal purposes. The most consistently reported plant part include leaf, root.

Leaf

1. Phytotherapy research : PTR
2. Heliyon
3. Journal of toxicology

Root

1. Phytotherapy research : PTR
2. Heliyon

Chemicals

Rhamnus prinoides has 11 reported phytochemicals identified across 5 scientific publications and several other databases. The most consistently reported chemicals include Flavonoids, Desulphosinigrin, Glycosides, Methyl, Phenols.

Flavonoids

1. Pharmaceuticals (Basel, Switzerland)
2. Journal of toxicology

Desulphosinigrin

1. International journal of molecular sciences

Glycosides

1. Journal of toxicology

Methyl

1. International journal of molecular sciences

Phenols

1. Journal of toxicology

Steroids

1. Journal of toxicology

Tannins

1. Journal of toxicology

Terpenoids

1. Chemistry & biodiversity

Triterpenes

1. Journal of toxicology

hexanedioic acid

1. International journal of molecular sciences

Activities

Rhamnus prinoides has 5 reported activities identified across 5 scientific publications and several other databases. The most consistently reported activities include Antioxidant, Antibacterial, Antimalarial, Antimicrobial, Antimutagenic.

Antioxidant

1. International journal of molecular sciences
2. Pharmaceuticals (Basel, Switzerland)
3. Journal of toxicology

Antibacterial

1. International journal of molecular sciences

Antimalarial

1. Journal of toxicology

Antimicrobial

1. Journal of toxicology

Antimutagenic

1. Toxicology in vitro : an international journal published in association with BIBRA

Medicinal Uses

Rhamnus prinoides has 9 reported medicinal uses identified across 5 scientific publications and several other databases. The most consistently reported uses include malaria, wounds, bacterial diseases, gonorrhea, pneumonia.

Most Reported Uses

Preparations