Abstract
Phyllanthus (Phyllanthaceae) is widely distributed within Brazilian phytogeographic domains where 101 species occur, including a number of poorly-known taxa, such as P. allemii, which was until now only known from the type collection. Here we report the rediscovery of P. allemii, which was recently collected during a floristic inventory carried out in the Estação Ecológica Serra Geral do Tocantins, which is located on the border between Bahia and Tocantins states in the Cerrado domain. We provide an updated and detailed morphological description of the species, including plates and field images, as well as a taxonomic key for species of Phyllanthus sect. Phyllanthus subsect. Clausseniani that occur in the Cerrado. We also provide habitat, ecology and distribution data, and, finally, a conservation assessment of this rare species.
References
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Webster, G.L. (2002) A Synopsis of the Brazilian taxa of Phyllanthus section Phyllanthus (Euphorbiaceae). Lundellia 5: 1?26. https://doi.org/10.25224/1097-993X-5.1.1
Antar, G.M. & Sano, P.T. (2019) Angiosperms of dry grasslands and savannahs of Jalapão, the largest conserved Cerrado area in Brazil. Rodriguésia 70: e04002017. https://doi.org/10.1590/2175-7860201970070
Araújo, M.L.S., Sano, E.E., Bolfe, E.L., Santos, J.R.N., Santos, J.S. & Silva, F.B. (2019) Spatiotemporal dynamics of soybean crop in the Matopiba region, Brazil (1990–2015). Land Use Policy 80: 57?67. https://doi.org/10.1016/j.landusepol.2018.09.040
Bachman, S., Moat, J., Hill, A.W., De La Torre, J. & Scott B (2011) Supporting Red List threat assessments with GeoCAT: geospatial conservation assessment tool. ZooKeys 150: 117–126. https://doi.org/10.3897/zookeys.150.2109
Barbosa-Silva, R.G. & Antar, G.M. (2020) Description vs deforestation: Couepia brevistaminea (Chrysobalanaceae), a new species on the frontier of agricultural expansion in the Brazilian savanna. Phytotaxa 471 (1): 38?46. https://doi.org/10.11646/phytotaxa.471.1.4
Beentje, H.J. (2010) The Kew Plant Glossary – an illustrated dictionary of plant terms. Royal Botanic Gardens, Kew, 160 pp.
BFG [The Brazil Flora Group] (2015) Growing knowledge: an overview of seed plant diversity in Brazil. Rodriguésia 66: 1085?1113. https://doi.org/10.1590/2175-7860201566411
BFG [The Brazil Flora Group] (2018) Brazilian Flora 2020: innovation and collaboration to meet Target 1 of the Global Strategy for Plant Conservation (GSPC). Rodriguésia 69: 1513?1527. https://doi.org/10.1590/2175-7860201869402
Bouman, R.W., Ke?ler, P.J.A., Telford, I.R.H., Bruhl, J.J. & van Welzen, P.C. (2018) Subgeneric delimitation of the plant genus Phyllanthus (Phyllanthaceae). Blumea 63: 167–198. https://doi.org/10.3767/blumea.2018.63.02.14
Casaretto, G. (1845) Novarum stirpium: brasiliensium decades. Joannis Ferrandi, Genoa, 96 pp.
Coutinho, L.M. (1978) O conceito de Cerrado. Revista Brasileira de Botânica 1: 17–23.
Ellis, B., Daly, D.C., Hickey, L.J., Johnson, K.R., Mitchell, J.D., Wilf, P. & Wing, S.L. (2009) Manual of leaf architecture. New York Botanical Garden, New York, 190 pp.
Forzza, R.C. (2005) Revisão taxonômica de Encholirium Mart. ex Schult. & Schult. f. (Pitcairnioideae-Bromeliaceae). Boletim de Botânica da Universidade de São Paulo, pp. 1–49. https://doi.org/10.11606/issn.2316-9052.v23i1p1-49
Gonçalves, E.G. & Lorenzi, H. (2007) Morfologia vegetal: organografia e dicionário ilustrado de morfologia das plantas vasculares. Instituto Plantarum de Estudos da Flora, São Paulo. 446 pp.
IUCN Standards and Petitions Subcommittee (2019) Guidelines for using the IUCN Red List categories and criteria. Version 14. Prepared by the Standards and Petitions Committee, Gland, Switzerland and Cambridge, UK, 113 pp. Available from: http://www.iucnredlist.org/documents/RedListGuidelines.pdf. (accessed June 2021)
Klink, C.A. & Machado, R.B. (2005) A conservação do Cerrado Brasileiro. Megadiversidade 1: 147?155.
Linnaeus, C. (1753) Species plantarum. Laurentius Salvius, Stockholm, 1200 pp.
Mettenius, G.H. (1859) Abhandlungen herausgegeben von der Senckenbergischen Naturforschenden Gesellschaft. 133 pp.
Mez, C. (1894) Bromeliaceae. In: Martius, C.F.P. von, Eichler, A.W. & Urban, I. (Eds.) Flora brasiliensis vol. 3. Leipzig: Engelmann pp. 431–462.
Müller Argoviensis, J. (1863) Euphorbiaceae. Vorläufige Mittheilungen aus dem für De Candolle’s Prodromus bestimmten Manuscript über diese Familie. Linnaea 32: 1–126.
Müller Argoviensis, J. (1873) Phyllanthus. In: Martius, C.F.P. von & Eichler, A.W. (Eds.) Flora brasiliensis vol. 11 (2). Wien & Leipzig, pp. 23–76.
Myers, N., Mittermeier, R.A., Mittermeier, C.G., da Fonseca, G.A.B. & Kent, J. (2000) Biodiversity hotspots for conservation priorities. Nature 403 (6772): 853–858. https://doi.org/10.1038/35002501
Orlandini, P., Torres, A.M., Mendes, J.C.R & Silva, M.J. (2020) Phyllanthus in Flora do Brasil 2020. Jardim Botânico do Rio de Janeiro. Available from: http://floradobrasil.jbrj.gov.br/reflora/floradobrasil/FB24160 (accessed April 2021)
QGIS Development Team (2019) QGIS Geographic Information System. Open Source Geospatial Foundation Project. Available from: http://qgis.org (accessed 7 April 2021)
Ribeiro, J.F. & Walter, B.M.T. (2008) As principais fitofisionomias do Bioma Cerrado. In: Sano, S.M., Almeida, S.P. & Ribeiro, J.F. (Eds.) Cerrado: ecologia e flora. Embrapa Cerrados, Planaltina, pp.151?212.
Santana, J.C.O. (2021) Diversidade e conservação da flora de uma fronteira agrícola no cerrado do Brasil. Universidade de Brasília, 183 pp.
Souza, C.M., Jr., Z. Shimbo, J., Rosa, M.R., Parente, L.L., A. Alencar, A., Rudorff, B.F.T., Hasenack, H., Matsumoto, M., G. Ferreira, L., Souza-Filho, P.W.M., de Oliveira, S.W., Rocha, W.F., Fonseca, A.V., Marques, C.B., Diniz, C.G., Costa, D., Monteiro, D., Rosa, E.R., Vélez-Martin, E., Weber, E.J., Lenti, F.E.B., Paternost, F.F., Pareyn, F.G.C., Siqueira, J.V., Viera, J.L., Neto, L.C.F., Saraiva, M.M., Sales, M.H., Salgado, M.P.G., Vasconcelos, R., Galano, S., Mesquita, V.V. & Azevedo, T. (2020) Reconstructing Three Decades of Land Use and Land Cover Changes in Brazilian Biomes with Landsat Archive and Earth Engine. Remote Sensing 12: 1?27. https://doi.org/10.3390/rs12172735
Thiers, B. (2022) [continuously updated] Index Herbariorum: A global directory of public herbaria and associated staff. New York Botanical Garden’s Virtual Herbarium. Available from: http://sweetgum.nybg.org/science/ih/ (accessed April 2021)
Tocantins (2020). Elaboração das Cartas Climáticas do Estado do Tocantins, vol. 1. SEFAZ/GTZ. Available from: https://www.to.gov.br/seplan/diagnostico-climatico-do-estado-do-tocantins/1ni92cqfoj27 (accessed 7 March 2022)
Villela, F.N.J. & Nogueira, C. (2011) Geologia e geomorfologia da Estação Ecológica Serra Geral do Tocantins. Biota Neotropica 11: 217–229. https://doi.org/10.1590/S1676-06032011000100023
Webster, G.L. (2002) A Synopsis of the Brazilian taxa of Phyllanthus section Phyllanthus (Euphorbiaceae). Lundellia 5: 1?26. https://doi.org/10.25224/1097-993X-5.1.1