Dirachma is the sole genus of the family Dirachmaceae. The genus has been monotypic until a second species, Dirachma somalensis, was discovered in Somalia and described in 1991.
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0