Skip to main content
You are here
Facebook icon
Pinterest icon
Twitter icon

Davis, Aaron P.

Photo of Aaron Davis
Job title: 

Leader of Coffee Family (Rubiaceae) Team and Coffee Research Group

Dicot Systematics
Joined Kew: 


Foreign languages: 


Qualifications and appointments: 
  • BSc (Hons), University of Reading, 1990
  • PhD, University of Reading, 1994
  • Technical Advisory Committee member for World Coffee Research (WCR)

Diversity studies, conservation and sustainability of coffee (Coffea) and the coffee family (Rubiaceae)

Taxonomy, systematics, conservation and sustainability of coffee (Coffea) and the coffee family (Rubiaceae), with a regional focus on Africa and Madagascar. Study of coffee includes the naming and classification of species, molecular (DNA) studies, conservation, climate change, climate resilience and sustainability, and coffee pests. Work on Rubiaceae is largely confined to the taxonomic study of species in Madagascar.

Main activity for 2014/15 is the project 'Building a climate resilient coffee economy for Ethiopia', designed to improve the capacity of Ethiopia’s coffee sector to cope with climate change. This is a Strategic Climate Institutions Programme (SCIP) – SCIP Fund – project, backed by governments of the UK(DFID), Norway and Denmark.

Selected publications: 

Davis, A. P., Gole, T. W. Baena, S. & Moat, J. (2012). The impact of climate change on natural populations of Arabica coffee: predicting future trends and identifying priorities. PLoS ONE 7(11): .e47981. Available online

Davis, A. P., Tosh, J., Ruch, N. & Fay, M. F. (2011). Growing coffee: Psilanthus (Rubiaceae) subsumed on the basis of molecular and morphological data: implications for the size, morphology, distribution and evolutionary history of CoffeaBotanical Journal of the Linnean Society 167: 357–377. Available online

Davis, A. P., Govaerts, R., Bridson, D. M., Ruhsam, M., Moat, J. & Brummitt, N. A. (2009). A global assessment of distribution, diversity, endemism, and taxonomic effort in the Rubiaceae. Annals of the Missouri Botanical Garden 96: 68–78. Available online

Davis, A.P., Chester, M., Maurin, O. & Fay, M.F. (2007). Searching for the relatives of Coffea (Rubiaceae, Ixoroideae): the circumscription and phylogeny of Coffeeae based on plastid sequence data and morphology. American Journal of Botany 94: 313–329. Available online

Davis, A. P., Govaerts, R., Bridson, D. M. & Stoffelen, P. (2006). An annotated taxonomic conspectus of the genus Coffea (Rubiaceae). Botanical Journal of the Linnean Society 152: 465–512. Available online