A new classification system and taxonomic synopsis for Malpighiaceae (Malpighiales, Rosids) based on molecular phylogenetics, morphology, palynology, and chemistry Author de Almeida, Rafael F. 0000-0002-9562-9287 Universidade Estadual de Goiás, Campus Sudoeste, Quirinópolis, Goiás, Brazil & Royal Botanical Gardens, Kew, Richmond, UK Author de Morais, Isa L. 0000-0001-8748-9723 Universidade Estadual de Goiás, Campus Sudoeste, Quirinópolis, Goiás, Brazil Author Alves-Silva, Thais https://orcid.org/0009-0001-0760-6019 Universidade Estadual de Goiás, Campus Sudoeste, Quirinópolis, Goiás, Brazil Author Antonio-Domingues, Higor 0000-0001-9405-1930 Royal Botanical Gardens, Kew, Richmond, UK Author Pellegrini, Marco O. O. 0000-0002-8783-1362 Royal Botanical Gardens, Kew, Richmond, UK text PhytoKeys 2024 2024-05-22 242 69 138 journal article 10.3897/phytokeys.242.117469 2.1. Acridocarpeae R. F. Almeida , trib. nov. Type genus. Acridocarpus Guill. & Perr. Diagnosis. Lianas, shrubs to treelets; thyrses, many-flowered, cincinni 1 - flowered, bracts 1 - glandular, peduncle absent, bracteoles eglandular; sepals glandular, nectariferous; posterior petals 2, margin crenate, eglandular; connectives eglandular, anthers poricidal, pollen 3 - zonosyncolporate; styles reflexed in fruits; mericarps 1 - winged, dorsal wing more developed, chromosome number n = 9, presence of diazanaphthalenes, isoflavonoids, oxacyclic compounds, absence of tetrahydrofurans. Notes. Acridocarpeae currently comprises only two accepted genera ( Acridocarpus and Brachylophon ) and 38 species (20 threatened species; Suppl. material 1 ) of trees, shrubs or lianas endemic to Africa, Asia, and Oceania ( POWO 2024 ).