taxonID	type	format	identifier	references	title	description	created	creator	contributor	publisher	audience	source	license	rightsHolder	datasetID
B03687CEFFD0FFEAA090592EFABE1A06.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16724616/files/figure.png	https://doi.org/10.5281/zenodo.16724616	FIGURE 1. Mesosetum aureum. A. Habit. B. Detail of dorsal view of rachis showing pedicels with the spikelet callus attached to the pedicel upon spikelet disarticulation. C. Spikelet, dorsal view. D. Spikelet, lateral view. E. Detail of dorsal view of lower lemma showing the apex strongly acuminate. F. Upper anthecium, dorsal view. G. Upper anthecium, ventral view. Illustration by Darli Nuza from the holotype.	FIGURE 1. Mesosetum aureum. A. Habit. B. Detail of dorsal view of rachis showing pedicels with the spikelet callus attached to the pedicel upon spikelet disarticulation. C. Spikelet, dorsal view. D. Spikelet, lateral view. E. Detail of dorsal view of lower lemma showing the apex strongly acuminate. F. Upper anthecium, dorsal view. G. Upper anthecium, ventral view. Illustration by Darli Nuza from the holotype.	2025-05-27	Silva, Anádria Stéphanie Da;Ribeiro, André Rodolfo De Oliveira;Reis, Priscila Alves Dos;Buso, Glaucia Salles Cortopassi;Oliveira, Regina Célia De		Zenodo	biologists	Silva, Anádria Stéphanie Da;Ribeiro, André Rodolfo De Oliveira;Reis, Priscila Alves Dos;Buso, Glaucia Salles Cortopassi;Oliveira, Regina Célia De			
B03687CEFFD0FFEAA090592EFABE1A06.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16724624/files/figure.png	https://doi.org/10.5281/zenodo.16724624	FIGURE 2. Photographs of the synflorescence of Mesosetum aureum. A. Synflorescence segment showing the rachis and spikelets, J. J. Granville et al. 16271 (CAY). B. Apex of the synflorescence ending in a meristematic branch, J. J. Granville et al. 16272 (CAY). C. Rachis segment showing pedicels with the spikelet callus attached to the pedicel upon spikelet disarticulation, J. J. Granville et al. 16249 (CAY).D. Detail of the rachis segment showing spikelet pedicel with an oblique apex, J. J. Granville et al. 16271 (CAY). Scale bars:A–D: 1 mm. Photos by Anádria Stéphanie da Silva.	FIGURE 2. Photographs of the synflorescence of Mesosetum aureum. A. Synflorescence segment showing the rachis and spikelets, J. J. Granville et al. 16271 (CAY). B. Apex of the synflorescence ending in a meristematic branch, J. J. Granville et al. 16272 (CAY). C. Rachis segment showing pedicels with the spikelet callus attached to the pedicel upon spikelet disarticulation, J. J. Granville et al. 16249 (CAY).D. Detail of the rachis segment showing spikelet pedicel with an oblique apex, J. J. Granville et al. 16271 (CAY). Scale bars:A–D: 1 mm. Photos by Anádria Stéphanie da Silva.	2025-05-27	Silva, Anádria Stéphanie Da;Ribeiro, André Rodolfo De Oliveira;Reis, Priscila Alves Dos;Buso, Glaucia Salles Cortopassi;Oliveira, Regina Célia De		Zenodo	biologists	Silva, Anádria Stéphanie Da;Ribeiro, André Rodolfo De Oliveira;Reis, Priscila Alves Dos;Buso, Glaucia Salles Cortopassi;Oliveira, Regina Célia De			
B03687CEFFD0FFEAA090592EFABE1A06.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16724630/files/figure.png	https://doi.org/10.5281/zenodo.16724630	FIGURE 3. Photographs of the spikelet of Mesosetum aureum. A–B. Spikelet, J. J. Granville et al. 16271 (CAY). A. Ventral view. B. Lateral view. C. Lower glume, dorsal view, J. J. Granville et al. 16271 (CAY). D. Upper glume, dorsal view, J. J. Granville et al. 15423 (CAY). E. Lower lemma, dorsal view, J. J. Granville et al. 15423 (CAY). F. Upper anthecium in dorsal view showing the upper lemma, holotype J. J. Granville et al. 15423 (CAY). G. Caryopsis showing the linear hilum, J. J. Granville et al. 16271 (CAY). Scale bars: A–G: 1 mm. Photos by Anádria Stéphanie da Silva.	FIGURE 3. Photographs of the spikelet of Mesosetum aureum. A–B. Spikelet, J. J. Granville et al. 16271 (CAY). A. Ventral view. B. Lateral view. C. Lower glume, dorsal view, J. J. Granville et al. 16271 (CAY). D. Upper glume, dorsal view, J. J. Granville et al. 15423 (CAY). E. Lower lemma, dorsal view, J. J. Granville et al. 15423 (CAY). F. Upper anthecium in dorsal view showing the upper lemma, holotype J. J. Granville et al. 15423 (CAY). G. Caryopsis showing the linear hilum, J. J. Granville et al. 16271 (CAY). Scale bars: A–G: 1 mm. Photos by Anádria Stéphanie da Silva.	2025-05-27	Silva, Anádria Stéphanie Da;Ribeiro, André Rodolfo De Oliveira;Reis, Priscila Alves Dos;Buso, Glaucia Salles Cortopassi;Oliveira, Regina Célia De		Zenodo	biologists	Silva, Anádria Stéphanie Da;Ribeiro, André Rodolfo De Oliveira;Reis, Priscila Alves Dos;Buso, Glaucia Salles Cortopassi;Oliveira, Regina Célia De			
B03687CEFFD0FFEAA090592EFABE1A06.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16724634/files/figure.png	https://doi.org/10.5281/zenodo.16724634	FIGURE 4. Micrographs taken by Scanning Electron Microscopy (SEM) from the upper anthecium of Mesosetum aureum, J. J. Granville et al. 15423 (CAY). A. Upper anthecium in dorsal view. B–D. Abaxial surface of the upper lemma. B. Apex surface showing unicellular macrohairs (Ma) and bicellular microhairs (Mi). C. Proximal portion showing the germination lid. D. Detail of the middle surface of the lemma. Scale bars: A: 500 μm; B–C: 100 μm; D: 50 μm.	FIGURE 4. Micrographs taken by Scanning Electron Microscopy (SEM) from the upper anthecium of Mesosetum aureum, J. J. Granville et al. 15423 (CAY). A. Upper anthecium in dorsal view. B–D. Abaxial surface of the upper lemma. B. Apex surface showing unicellular macrohairs (Ma) and bicellular microhairs (Mi). C. Proximal portion showing the germination lid. D. Detail of the middle surface of the lemma. Scale bars: A: 500 μm; B–C: 100 μm; D: 50 μm.	2025-05-27	Silva, Anádria Stéphanie Da;Ribeiro, André Rodolfo De Oliveira;Reis, Priscila Alves Dos;Buso, Glaucia Salles Cortopassi;Oliveira, Regina Célia De		Zenodo	biologists	Silva, Anádria Stéphanie Da;Ribeiro, André Rodolfo De Oliveira;Reis, Priscila Alves Dos;Buso, Glaucia Salles Cortopassi;Oliveira, Regina Célia De			
B03687CEFFD0FFEAA090592EFABE1A06.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16724638/files/figure.png	https://doi.org/10.5281/zenodo.16724638	FIGURE 5. Distribution map of Mesosetum aureum in the Guiana Amazonian Park, French Guiana.	FIGURE 5. Distribution map of Mesosetum aureum in the Guiana Amazonian Park, French Guiana.	2025-05-27	Silva, Anádria Stéphanie Da;Ribeiro, André Rodolfo De Oliveira;Reis, Priscila Alves Dos;Buso, Glaucia Salles Cortopassi;Oliveira, Regina Célia De		Zenodo	biologists	Silva, Anádria Stéphanie Da;Ribeiro, André Rodolfo De Oliveira;Reis, Priscila Alves Dos;Buso, Glaucia Salles Cortopassi;Oliveira, Regina Célia De			
B03687CEFFD0FFEAA090592EFABE1A06.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16724642/files/figure.png	https://doi.org/10.5281/zenodo.16724642	FIGURE 6. Comparison of the glumes and lower lemma of new species (Mesosetum aureum) with related species (M. cayennense and M. rottboellioides). A–C. M. aureum. A. Lower glume, dorsal view, J. J. Granville et al. 16271 (CAY). B. Upper glume, dorsal view, J. J. Granville et al. 15423 (CAY). C. Lower lemma, dorsal view, J. J. Granville et al. 15423 (CAY). D–F. M. cayennense. D. Lower glume, dorsal view, P.A. Reis et al. 181 (UB). E. Upper glume, dorsal view, P.A. Reis et al. 181 (UB). F. Lower lemma, dorsal view, P.A. Reis et al. 181 (UB). G–I. M. rottboellioides. G. Lower glume, dorsal view, P.A. Reis et al. 331 (UB). H. Upper glume, dorsal view, P.A. Reis et al. 331 (UB). I. Lower lemma, dorsal view, P.A. Reis et al. 331 (UB). Scale bars: 1 mm.	FIGURE 6. Comparison of the glumes and lower lemma of new species (Mesosetum aureum) with related species (M. cayennense and M. rottboellioides). A–C. M. aureum. A. Lower glume, dorsal view, J. J. Granville et al. 16271 (CAY). B. Upper glume, dorsal view, J. J. Granville et al. 15423 (CAY). C. Lower lemma, dorsal view, J. J. Granville et al. 15423 (CAY). D–F. M. cayennense. D. Lower glume, dorsal view, P.A. Reis et al. 181 (UB). E. Upper glume, dorsal view, P.A. Reis et al. 181 (UB). F. Lower lemma, dorsal view, P.A. Reis et al. 181 (UB). G–I. M. rottboellioides. G. Lower glume, dorsal view, P.A. Reis et al. 331 (UB). H. Upper glume, dorsal view, P.A. Reis et al. 331 (UB). I. Lower lemma, dorsal view, P.A. Reis et al. 331 (UB). Scale bars: 1 mm.	2025-05-27	Silva, Anádria Stéphanie Da;Ribeiro, André Rodolfo De Oliveira;Reis, Priscila Alves Dos;Buso, Glaucia Salles Cortopassi;Oliveira, Regina Célia De		Zenodo	biologists	Silva, Anádria Stéphanie Da;Ribeiro, André Rodolfo De Oliveira;Reis, Priscila Alves Dos;Buso, Glaucia Salles Cortopassi;Oliveira, Regina Célia De			
