TABLE 2. Main morphological characters for the recognition of the Argythamnia estacionalis in comparison with the most closely related taxa. CharacterA. es tacionalisA. desertorumA. simonianaPetiole1.8–4.4 mm long2–5 mm long4–11 mm longLeaf marginEntire, rarely serrated (up to 6 teeth)Serrated (up to 8 teeth)Serrated (more than 9 teeth)InflorescenceUnisexualUnisexual or bisexualBisexualAnthophorePresentAbsentAbsentStaminodes5 Glabrescent5 Pubescent4 PubescentDistributionSouth of Bahia and Northeast of Minas GeraisNortheast of Brazil and Northeast of Minas GeraisAtlantic coast of Rio de Janeiro

Published as part of Ornelas, Márcia Martins, Külkamp, Josimar, Santos, Francisco De Assis Ribeiro Dos & Carneiro-Torres, Daniela Santos, 2024, New species of Argythamnia (Euphorbiaceae) restricted to Seasonal Forest of Brazil, with morphological and phylogenetic support, pp. 213 in Phytotaxa 649 (2) on page 213, DOI: 10.11646/phytotaxa.649.2.5, http://zenodo.org/record/13216001