“…Davis & A.M. Amorim, 2021, personal communication), which sometimes correspond to infrageneric categories, such as those proposed by Niedenzu (1903 , 1928) . Notable examples are new taxa of Heteropterys recently revealed in the Aptychia ( Amorim & Marinho, 2020 ), Metallophyllis ( Amorim et al, 2017 ), Parabanisteria ( Almeida & Pellegrini, 2021 ), Rhodopetalis ( Pessoa & Amorim, 2016 ), Stenophyllarion ( Sebastiani & Mamede, 2010 ) and Xanthopetalis groups ( Anderson, 2014 ; Pessoa, Marinho & Amorim, 2019 ). Likewise, the resolution of Malpighiaceae species complexes in different genera have been constantly investigated with the objective of clarifying the vegetative and reproductive variability among close species.…”