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Scientific classification edit
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Rosales
Family: Barbeyaceae
Genus: Barbeya
Schweinf. ex Penzig
B. oleoides
Binomial name
Barbeya oleoides

Barbeya is the only genus in the family Barbeyaceae, and has only one species, Barbeya oleoides. It is a small tree native to the mountains of Somalia, Ethiopia, and the Arabian Peninsula. It can be found locally abundant in the transition zone between the dry, evergreen, Afromontane forests and lower-elevation evergreen bushlands.

Barbeya oleoides has opposite, oblong-lanceolate, simple leaves with entire margins. Plants are dioecious, with male and female flowers on separate trees.[2]

The family Barbeyaceae is closely related to its ecological associate on the Horn, the family Dirachmaceae. Evidence on the molecular level has demonstrated this despite obvious morphological differences between the two families such as Barbeya having small, unisexual, petalless flowers, while the flowers of Dirachmaceae are characterized by their bisexuality, and their relatively large petals (and size in general).[3]


  1. ^ Angiosperm Phylogeny Group (2009), "An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants: APG III", Botanical Journal of the Linnean Society, 161 (2): 105–121, doi:10.1111/j.1095-8339.2009.00996.x
  2. ^ Kubitzki, Klaus; Rohwer, Jens G; Bittrich, Volker, eds. (1993). Flowering Plants · Dicotyledons. doi:10.1007/978-3-662-02899-5. ISBN 978-3-642-08141-5. S2CID 38606188.
  3. ^ Mats Thulin, Uppsala University (July 21, 2006). "Hotspots Revisited -- Horn of Africa". Center for Applied Biodiversity Sciences at Conservation International. CENEX. Archived from the original on June 23, 2009. Retrieved June 28, 2009.