sand knobwood

Zanthoxylum leprieurii · Accepted scientific name

Scientific literature: Very Sparse (44 studies) · ★☆☆☆☆

Sand knobwood, scientifically known as Zanthoxylum leprieurii, is a versatile medicinal plant native to tropical regions. Renowned for its potent bioactive compounds, it is traditionally utilized in various cultures to treat inflammation, digestive issues, and skin ailments. This woody species offers significant pharmacological potential for modern therapeutic research.

Family
Rutaceae
Native range
Africa
Parts used
Fruit · Leaf
Common names
Sand Knobwood
Scientific synonyms
Fagara Kibomboensis · Fagara Leprieurii · 10 more

Names and Synonyms

Common Names

Scientific Names

Accepted name

Zanthoxylum leprieurii

Synonyms

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae and the phylum Streptophyta, falling under the class Equisetopsida and subclass Magnoliidae. Within the order Sapindales, it is classified under the family Rutaceae. It is specifically identified by the genus Zanthoxylum, with its species name being leprieurii.

Rank Classification
Kingdom Plantae
Phylum Streptophyta
Class Equisetopsida
Subclass Magnoliidae
Order Sapindales
Family Rutaceae
Genus Zanthoxylum

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant is native to several specific regions located within West Tropical Africa. Its geographical presence is notably documented in the country of Benin. Furthermore, it can be found growing within the borders of Burkina Faso. The distribution extends to other nations in the area, including Ghana and Guinea-Bissau. Finally, the species is also recorded as being present in Guinea.

Region Area
West Tropical Africa Benin
West Tropical Africa Burkina
West Tropical Africa Ghana
West Tropical Africa Guinea-Bissau
West Tropical Africa Guinea
West Tropical Africa Ivory Coast
West Tropical Africa Liberia
West Tropical Africa Mali
West Tropical Africa Nigeria
West Tropical Africa Senegal

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Zanthoxylum leprieurii is characterized by its adaptation to specific altitudinal gradients within its native habitats, typically thriving in diverse forest environments. This species exhibits a broad vertical distribution, occupying ecological niches that span from low-lying areas to moderate montane elevations. Specifically, its elevational range extends from a minimum of 10 m AMSL to a maximum of 700 m AMSL. This distribution suggests that the plant is well-suited to subtropical or tropical lowland to mid-elevation ecosystems, where it likely interacts with various soil types and microclimates found within these specific altitude parameters.

Elevational range max:
700 m AMSL
Elevational range min:
10 m AMSL

Life history

The life history of Zanthoxylum leprieurii is characterized by its status as a perennial organism, ensuring its long-term persistence within its natural habitat through multiple growing seasons. As a phanerophyte, its reproductive buds are elevated well above the ground on woody stems, a structural adaptation that defines its growth habit and survival strategy. This phanerophytic life form is consistent across its development, as it maintains its stature through the seasonal cycles typical of its perennial lifecycle.

Life form :
phanerophyte
Lifecycle :
perennial

Morphology

The morphology of Zanthoxylum leprieurii is characterized by its growth form as a woody tree. As a self-supporting species, it does not exhibit climbing or parasitic behavior, functioning as an independent organism within its ecosystem. The plant is strictly terrestrial in its habitat, neither aquatic nor epiphytic. In terms of stature, it reaches significant dimensions, with plant heights ranging from a minimum of approximately 4.57 meters to a maximum of 24.38 meters, maintaining an average height of roughly 17.5 meters.

Aquatic :
terrestrial
Climber :
self-supporting
Epiphyte :
terrestrial
Growth form :
tree
Parasite :
independent
Plant height max:
24.38429651 m
Plant height mean:
17.5 m
Plant height min:
4.572055596 m
Woodiness :
woody

Physiology

The physiology of Xanthoxylum leprieurii is characterized by a standard metabolic framework typical of many woody dicotyledonous species. It utilizes the C3 photosynthetic pathway, a process wherein carbon dioxide is fixed directly through the Calvin cycle using the enzyme RuBisCO, which is efficient under temperate to subtropical environmental conditions. Furthermore, this species does not function as a nitrogen fixer, meaning it lacks the symbiotic relationship with nitrogen-fixing bacteria (such as Rhizobium or Frankia) required to convert atmospheric nitrogen into bioavailable forms, and instead relies on the uptake of nitrogenous compounds from the soil through its root system.

Nitrogen fixer :
no
Photosynthetic pathway :
C3

Reproduction

The reproduction of Zanthoxylum leprieurii is characterized by a biotic pollination syndrome, primarily driven by insect vectors to facilitate genetic exchange. The plant exhibits a lack of self-fertilization, indicating a reproductive strategy that relies on cross-pollination to maintain genetic diversity. The resulting seeds are uniform in size, with a recorded seed mass mean, maximum, and minimum all measuring exactly 0.02838 g.

Pollination syndrome :
insect
Pollination syndrome :
biotic
Seed mass mean:
0.02838 g
Self fertilization :
absent

Sources: Global Inventory of Floras and Traits (GIFT)

Plant Parts

Zanthoxylum leprieurii has 3 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 fruit, leaf, stem.

Plant parts reported in Zanthoxylum leprieurii
Plant part Supporting sources Consensus
Fruit 3 supporting sources ★★☆☆☆
Leaf 1 supporting sources ★☆☆☆☆
Stem 1 supporting sources ★☆☆☆☆

Fruit

  1. Natural product research
  2. Journal of ethnopharmacology
  3. Foods (Basel, Switzerland)

Leaf

  1. Foods (Basel, Switzerland)

Stem

  1. BMC complementary and alternative medicine

Chemicals

Zanthoxylum leprieurii has 15 reported phytochemicals identified across 5 scientific publications and several other databases. The most consistently reported chemicals include 1-hydroxy-3-methoxy-10-methyl-9-acridone, 7,8-Dimethoxycoumarin, Citronellol, Dendrolasin, Flavonoids.

Chemicals reported in Zanthoxylum leprieurii
Chemical Supporting sources Consensus
1-hydroxy-3-methoxy-10-methyl-9-acridone 1 supporting sources ★☆☆☆☆
7,8-Dimethoxycoumarin 1 supporting sources ★☆☆☆☆
Citronellol 1 supporting sources ★☆☆☆☆
Dendrolasin 1 supporting sources ★☆☆☆☆
Flavonoids 1 supporting sources ★☆☆☆☆
GERANIAL 1 supporting sources ★☆☆☆☆
SINAPIC ACID 1 supporting sources ★☆☆☆☆
Saponins 1 supporting sources ★☆☆☆☆
Tannins 1 supporting sources ★☆☆☆☆
Terpenoids 1 supporting sources ★☆☆☆☆

1-hydroxy-3-methoxy-10-methyl-9-acridone

  1. BMC complementary and alternative medicine

7,8-Dimethoxycoumarin

  1. Journal of ethnopharmacology

Citronellol

  1. Foods (Basel, Switzerland)

Dendrolasin

  1. Foods (Basel, Switzerland)

Flavonoids

  1. Journal of clinical tuberculosis and other mycobacterial diseases

GERANIAL

  1. Foods (Basel, Switzerland)

SINAPIC ACID

  1. Journal of ethnopharmacology

Saponins

  1. Journal of clinical tuberculosis and other mycobacterial diseases

Tannins

  1. Journal of clinical tuberculosis and other mycobacterial diseases

Terpenoids

  1. Journal of clinical tuberculosis and other mycobacterial diseases

Activities

Zanthoxylum leprieurii has 6 reported activities identified across 5 scientific publications and several other databases. The most consistently reported activities include Antibacterial, Anticancer, Antifungal, Antimicrobial, Antioxidant.

Activities reported in Zanthoxylum leprieurii
Activity Supporting sources Consensus
Antibacterial 2 supporting sources ★☆☆☆☆
Anticancer 2 supporting sources ★☆☆☆☆
Antifungal 1 supporting sources ★☆☆☆☆
Antimicrobial 1 supporting sources ★☆☆☆☆
Antioxidant 1 supporting sources ★☆☆☆☆
Cytotoxic 1 supporting sources ★☆☆☆☆

Antibacterial

  1. Journal of ethnopharmacology
  2. Fitoterapia

Anticancer

  1. Natural product research
  2. Journal of ethnopharmacology

Antifungal

  1. Fitoterapia

Antimicrobial

  1. Journal of ethnopharmacology

Antioxidant

  1. Foods (Basel, Switzerland)

Cytotoxic

  1. Journal of ethnopharmacology

Conditions

Zanthoxylum leprieurii has 11 reported investigations on conditions identified across 5 scientific publications and several other databases. The most consistently reported conditions include tuberculosis, Candida albicans, Cryptococcus neoformans, antioxidant, diarrhea.

Conditions investigated for Zanthoxylum leprieurii
Condition Supporting sources Consensus
Tuberculosis 3 supporting sources ★★☆☆☆
Candida albicans 1 supporting sources ★☆☆☆☆
Cryptococcus neoformans 1 supporting sources ★☆☆☆☆
Antioxidant 1 supporting sources ★☆☆☆☆
Diarrhea 1 supporting sources ★☆☆☆☆
Gonorrhea 1 supporting sources ★☆☆☆☆
Multidrug-resistant tuberculosis 1 supporting sources ★☆☆☆☆
Pain 1 supporting sources ★☆☆☆☆
Sickle cell anemia 1 supporting sources ★☆☆☆☆
Sterility 1 supporting sources ★☆☆☆☆

Tuberculosis

  1. Journal of ethnopharmacology
  2. Journal of natural products
  3. BMC complementary and alternative medicine

Candida albicans

  1. Journal of ethnopharmacology

Cryptococcus neoformans

  1. Journal of ethnopharmacology

Antioxidant

  1. Foods (Basel, Switzerland)

Diarrhea

  1. Chemistry Central journal

Gonorrhea

  1. Journal of ethnopharmacology

Multidrug-resistant tuberculosis

  1. Tuberculosis (Edinburgh, Scotland)

Pain

  1. Chemistry Central journal

Sickle cell anemia

  1. Journal of ethnopharmacology

Sterility

  1. Journal of ethnopharmacology

Preparations

Zanthoxylum leprieurii has 9 reported preparations identified across 5 scientific publications and several other databases. The most consistently reported preparations include Cameroonian medicinal spice extracts, Essential oils, essential oils, essential oils hydrodistillated from fruits, essential oils hydrodistillated from leaves.

Preparations reported for Zanthoxylum leprieurii
Preparation Supporting sources Consensus
Cameroonian medicinal spice extracts 1 supporting sources ★☆☆☆☆
Essential oils 1 supporting sources ★☆☆☆☆
Essential oils 1 supporting sources ★☆☆☆☆
Essential oils hydrodistillated from fruits 1 supporting sources ★☆☆☆☆
Essential oils hydrodistillated from leaves 1 supporting sources ★☆☆☆☆
Essential oils hydrodistillated from trunk bark 1 supporting sources ★☆☆☆☆
Fruit extracts 1 supporting sources ★☆☆☆☆
Infusion from the fruit 1 supporting sources ★☆☆☆☆
Methanol extracts 1 supporting sources ★☆☆☆☆

Cameroonian medicinal spice extracts

  1. Nutrients

Essential oils

  1. Foods (Basel, Switzerland)

Essential oils

  1. Journal of ethnopharmacology

Essential oils hydrodistillated from fruits

  1. Foods (Basel, Switzerland)

Essential oils hydrodistillated from leaves

  1. Foods (Basel, Switzerland)

Essential oils hydrodistillated from trunk bark

  1. Foods (Basel, Switzerland)

Fruit extracts

  1. Journal of ethnopharmacology

Infusion from the fruit

  1. Journal of ethnopharmacology

Methanol extracts

  1. Journal of ethnopharmacology