Rinorea welwitschii

Rinorea welwitschii · Accepted scientific name

Scientific literature: Very Sparse (3 studies) · ★☆☆☆☆

, scientifically known as Rinorea welwitschii, is a significant medicinal shrub native to tropical African regions. Renowned for its diverse therapeutic properties, this plant is traditionally utilized in various folk remedies to treat ailments ranging from skin infections to inflammatory conditions, offering valuable insights for modern pharmacological research and development.

Family
Violaceae
Native range
Africa
Parts used
Stem
Common names
Not available
Scientific synonyms
Alsodeia Welwitschii

Names and Synonyms

Scientific Names

Accepted name

Rinorea welwitschii

Synonyms

Sources: Wikidata

Taxonomical Classification

This plant belongs to the kingdom Plantae and is classified under the phylum Streptophyta and the class Equisetopsida. Within the subclass Magnoliidae, it is placed in the order Malpighiales and the family Violaceae. Finally, its specific taxonomic designation is within the genus Rinorea.

Rank Classification
Kingdom Plantae
Phylum Streptophyta
Class Equisetopsida
Subclass Magnoliidae
Order Malpighiales
Family Violaceae
Genus Rinorea

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant is primarily distributed across the West Tropical Africa region. Within this geographical area, it can be found growing in the nation of Ghana. Its presence extends further into the coastal landscapes of Guinea and the Ivory Coast. Additionally, the species is documented throughout the forests of Liberia. Finally, the distribution of this medicinal plant concludes its regional range in Nigeria.

Region Area
West Tropical Africa Ghana
West Tropical Africa Guinea
West Tropical Africa Ivory Coast
West Tropical Africa Liberia
West Tropical Africa Nigeria
West Tropical Africa Sierra Leone
West-Central Tropical Africa Central African Republic
West-Central Tropical Africa Cameroon
West-Central Tropical Africa Congo
West-Central Tropical Africa Gabon

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Life history

The life history of Rinorea welwitschii is characterized by its classification as a phanerophyte, a growth form where the perennating buds are located high above the ground on woody stems. Within this botanical framework, the species exhibits specific variations in its survival strategy, manifesting as both a phanerophyte and a nanophanerophyte. This indicates that while the plant primarily maintains its regenerative organs on elevated branches to survive seasonal changes or environmental stressors, the height of these buds can vary, sometimes occupying a lower stature characteristic of nanophanerophytes. This life form enables the plant to persist through various ecological cycles by protecting its vital tissues within its structural architecture.

Life form :
phanerophyte

Morphology

The morphology of Rinorea welwitschii is characterized by a woody growth form that can manifest as either a shrub or a tree. As a terrestrial plant, it does not exhibit aquatic or epiphytic tendencies, functioning instead as an independent organism rather than a parasite. In terms of stature, the plant is self-supporting rather than a climber, with its height varying significantly depending on environmental conditions; it can reach a minimum height of approximately 1.22 meters, maintain an average height of about 5 meters, and reach a maximum height of up to 9.14 meters.

Aquatic :
terrestrial
Climber :
self-supporting
Epiphyte :
terrestrial
Growth form :
shrub
Growth form :
tree
Parasite :
independent
Plant height max:
9.144111192 m
Plant height mean:
5 m
Plant height min:
1.219214826 m
Woodiness :
woody

Physiology

The physiology of Rinorea welwitschii is characterized by a primary metabolic reliance on the C3 photosynthetic pathway, a common trait among many tropical woody species that facilitates carbon fixation through the direct carboxylation of ribulose-1,5-bisphosphate by the enzyme RuBisCO. This C3 mechanism involves the standard Calvin cycle, where atmospheric carbon dioxide is captured within the mesophyll cells to produce three-carbon compounds. Consequently, the plant's gas exchange and water-use efficiency are intrinsically linked to its stomatal conductance, as it lacks the specialized carbon-concentrating mechanisms found in C4 or CAM plants. This physiological framework dictates its adaptation to specific light and moisture availability, influencing its overall energy assimilation rates and growth patterns within its native ecological niche.

Photosynthetic pathway :
C3

Reproduction

The reproduction of Rinorea welwitschii is characterized by a highly flexible phenological cycle, with flowering and fruiting periods that exhibit significant variability throughout the year. The flowering phase is inconsistent in its timing, with a start and end period that can occur across any month from January through December, depending on environmental conditions. Similarly, the fruiting process displays a wide range of temporal distribution; while the fruiting season can begin as early as January and extend through any month of the year, the culmination of the fruiting cycle typically concludes around March, though this end date also remains variable.

Flowering time :
variable
Fruiting time :
Jan
Fruiting time :
Mar

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Rinorea welwitschii has 1 reported plant parts identified across 1 scientific publications and several other databases that are studied for medicinal purposes. The most consistently reported plant part include stem.

Plant parts reported in Rinorea welwitschii
Plant part Supporting sources Consensus
Stem 1 supporting sources ★☆☆☆☆

Stem

  1. Fitoterapia

Chemicals

Rinorea welwitschii has 2 reported phytochemicals identified across 1 scientific publications and several other databases. The most consistently reported chemicals include Alpinumisoflavone, Di-O-methylalpinumisoflavone.

Chemicals reported in Rinorea welwitschii
Chemical Supporting sources Consensus
Alpinumisoflavone 1 supporting sources ★☆☆☆☆
Di-O-methylalpinumisoflavone 1 supporting sources ★☆☆☆☆

Alpinumisoflavone

  1. Fitoterapia

Di-O-methylalpinumisoflavone

  1. Fitoterapia

Preparations

Rinorea welwitschii has 1 reported preparations identified across 1 scientific publications and several other databases. The most consistently reported preparations include dichloromethane extract of the stem-barks.

Preparations reported for Rinorea welwitschii
Preparation Supporting sources Consensus
Dichloromethane extract of the stem-barks 1 supporting sources ★☆☆☆☆

Dichloromethane extract of the stem-barks

  1. Fitoterapia