Kellermann, J.Hammer, T.A.Toelken, H.R.2022-06-012022-06-012022Taxon: international journal of plant taxonomy, phylogeny and evolution, 2022; 71(4):892-8960040-02621996-8175https://hdl.handle.net/2440/135291First published: 05 April 2022The complex publication history of Hibbertia subg. Hemistemma (Juss. ex Thouars) J.W.Horn is discussed, in particular the different editions of Du Petit-Thouars’s books on the plants of Madagascar, and it is concluded that the basionym Hemistemma Juss. ex Thouars was published in 1806 with that spelling and authorship. A type is designated for the name as well as for the synonym Pleurandra Labill.en© 2022 International Association for Plant TaxonomyAustralia; Du Petit-Thouars; etymology; Madagascar; Pleurandra; publication history; spelling; typificationUncovering the correct publication date, spelling and attribution for the basionym of Hibbertia subg. Hemistemma (Dilleniaceae)Journal article10.1002/tax.127152022-04-06607632Hammer, T.A. [0000-0003-3816-7933]