Simbiano, F.J., van der Burgt, X.M., Darbyshire, I., Haba, P.M., Konomou, G., Cheek, M., Couch, C. and Magassouba, S. 2024. Possible horizontal gene transfer: Virectaria stellata (Sabiceeae-Rubiaceae), a new sandstone cliff species from the Republic of Guinea with stellate hairs recorded for the first time in the Rubiaceae. Webbia. 79, 2 (Sep. 2024), 227–237. DOI:https://doi.org/10.36253/jopt-16523.