Zanthoxylum psammophilum (synonym Fagara psammophila Aké Assi) is a species of shrub

Shrub

A shrub or bush is distinguished from a tree by its multiple stems and shorter height, usually under 5–6 m tall. A large number of plants may become either shrubs or trees, depending on the growing conditions they experience...

 or small tree

Tree

A tree is a perennial woody plant. It is most often defined as a woody plant that has many secondary branches supported clear of the ground on a single main stem or trunk with clear apical dominance. A minimum height specification at maturity is cited by some authors, varying from 3 m to...

 in the Rutaceae

Rutaceae

Rutaceae, commonly known as the rue or citrus family, is a family of flowering plants, usually placed in the order Sapindales.Species of the family generally have flowers that divide into four or five parts, usually with strong scents...

 family. It is a large liana

Liana

A liana is any of various long-stemmed, woody vines that are rooted in the soil at ground level and use trees, as well as other means of vertical support, to climb up to the canopy to get access to well-lit areas of the forest. Lianas are especially characteristic of tropical moist deciduous...

 endemic to Côte d'Ivoire

Côte d'Ivoire

The Republic of Côte d'Ivoire or Ivory Coast is a country in West Africa. It has an area of , and borders the countries Liberia, Guinea, Mali, Burkina Faso and Ghana; its southern boundary is along the Gulf of Guinea. The country's population was 15,366,672 in 1998 and was estimated to be...

, although in 2005 it was found in Liberia

Liberia

Liberia , officially the Republic of Liberia, is a country in West Africa. It is bordered by Sierra Leone on the west, Guinea on the north and Côte d'Ivoire on the east. Liberia's coastline is composed of mostly mangrove forests while the more sparsely populated inland consists of forests that open...

 as well. Zanthoxylum psammophilum, a new combination created in 1975 to subsume the genus Fagara into the genus Zanthoxylum based on morphology and secondary metabolite

Secondary metabolite

Secondary metabolites are organic compounds that are not directly involved in the normal growth, development, or reproduction of an organism. Unlike primary metabolites, absence of secondary metabolities does not result in immediate death, but rather in long-term impairment of the organism's...

s, is the preferred name according to the Conservatoire et Jardin botaniques de la Ville de Genève which has a section that specializes in the conservation and biodiversity of flowering plants of Côte d'Ivoire. However, the International Plant Names Index lists Fagara as the genus, and Zanthoxylum as the synonym. The type specimen for the plant was collected in the ecotone

Ecotone

An ecotone is a transition area between two biomes but different patches of the landscape, such as forest and grassland. It may be narrow or wide, and it may be local or regional...

 between the lowland Eastern Guinean forests

Eastern Guinean forests

The Eastern Guinean forests are a tropical moist broadleaf forest ecoregion of West Africa. The ecoregion includes the lowland forests extending from the Gulf of Guinea a few hundred kilometers inland, from western Côte d'Ivoire to the western shore of Lake Volta in Ghana. A few small enclaves lie...

 (tropical rainforest

Tropical rainforest

A tropical rainforest is an ecosystem type that occurs roughly within the latitudes 28 degrees north or south of the equator . This ecosystem experiences high average temperatures and a significant amount of rainfall...

) and the inland Guinean forest-savanna mosaic

Guinean forest-savanna mosaic

The Guinean forest-savanna mosaic is an ecoregion of West Africa, a band of interlaced forest, savanna, and grassland running east to west and dividing the tropical moist forests near the coast from the West Sudanian savanna of the interior.-Setting:...

 in the Lagunes

Lagunes

Lagunes is one of the 19 regions of Côte d'Ivoire. The region's capital is Abidjan. Covering 14,200 km², its population is 4,210,200....

region.