Premna schimperi

Names and Synonyms

Scientific Names

Accepted name

Synonyms

• Gumira viburnodes
• Premna viburnoides var. schimperi
• Premna bequaertii

Sources: Wikidata

Taxonomical Classification

This plant belongs to the kingdom Plantae and is classified within the phylum Streptophyta and the class Equisetopsida. As a member of the subclass Magnoliidae and the order Lamiales, it is situated in the family Lamiaceae. Finally, it is specifically identified under the genus Premna.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a diverse geographical distribution across several regions of the African continent. In West-Central Tropical Africa, it can be found inhabiting the landscapes of Burundi and Rwanda. Its presence also extends into the vast territories of the Democratic Republic of the Congo within the same central region. Moving toward Northeast Tropical Africa, the species is documented growing in the highlands of Ethiopia. Finally, its range reaches the Horn of Africa, where it is also located in Somalia.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Life history

The life history of Premna schimperi is characterized by its distinct growth strategies and structural classifications within its ecosystem. This species functions primarily as a phanerophyte, meaning its perennating buds are elevated well above the ground on woody stems, allowing it to maintain a stable presence through various seasonal changes. Depending on the specific environmental pressures and developmental stages within its habitat, it can also exhibit characteristics of a nanophanerophyte, where the life cycle is supported by relatively short woody structures. These life forms enable the plant to navigate its ecological niche by protecting its vital regenerative organs from environmental stressors, ensuring long-term survival and consistent reproductive cycles.

Life form :

nanophanerophyte

Life form :

phanerophyte

Morphology

The morphology of Premna schimperi is characterized by a woody growth form, specifically manifesting as a shrub. As a terrestrial plant, it grows in soil rather than as an epiphyte, and it functions as an independent organism without parasitic tendencies. Regarding its structural support, it is classified as a self-supporting plant, meaning it does not rely on climbing mechanisms such as being an obligatory or facultative climber to maintain its upright stature.

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

shrub

Parasite :

independent

Woodiness :

woody

Physiology

The physiology of Premna schimperi is characterized by a metabolic framework defined by its photosynthetic pathway, which utilizes the C3 pathway to facilitate carbon fixation. Through this C3 mechanism, the plant captures atmospheric carbon dioxide via the enzyme RuBisCO, converting it into a three-carbon compound during the initial stages of the Calvin cycle. This physiological process dictates its efficiency in gas exchange and water use, as the plant relies on the standard enzymatic pathways typical of many woody shrubs and trees within its taxonomic group to drive biomass production and energy conversion.

Photosynthetic pathway :

C3

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Premna schimperi 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 leaf.

Leaf

1. Planta medica

Chemicals

Premna schimperi has 1 reported phytochemicals identified across 1 scientific publications and several other databases. The most consistently reported chemicals include n-Hexane.

n-Hexane

1. Tropical medicine and health

Activities

Premna schimperi has 1 reported activities identified across 1 scientific publications and several other databases. The most consistently reported activities include Antibacterial.

Antibacterial

1. BMC pharmacology
2. Planta medica

Conditions

Premna schimperi has 6 reported investigations on conditions identified across 1 scientific publications and several other databases. The most consistently reported conditions include Staphylococcus aureus, Bacillus subtilis, Candida albicans, Enterococcus faecalis, cutaneous leishmaniasis.

Staphylococcus aureus

1. BMC complementary and alternative medicine
2. Planta medica

Bacillus subtilis

1. Planta medica

Candida albicans

1. BMC complementary and alternative medicine

Enterococcus faecalis

1. BMC complementary and alternative medicine

Cutaneous leishmaniasis

1. BMC pharmacology

Malaria

1. BMC complementary and alternative medicine

Preparations

Premna schimperi has 4 reported preparations identified across 1 scientific publications and several other databases. The most consistently reported preparations include 80 % methanol extracts, 80% methanol and n-hexane extracts, Ethanol extracts, leaves.

80 % methanol extracts

1. BMC complementary and alternative medicine

80% methanol and n-hexane extracts

1. Tropical medicine and health

Ethanol extracts

1. BMC complementary and alternative medicine

Leaves

1. Planta medica