Abstract
A new species of the genus Pleroma, endemic to the state of Paraná, is described. Pleroma joelsilvae is morphologically similar to Pleroma oleifolium and Pleroma ursinum. Here we present the taxonomic description for the species, taxonomic comments, distribution map, illustrations made with photos from herbarium specimens, photos of the species in vivo, and conservation status assignments. According to our assessments based on IUCN criteria, P. joelsilvae is Critically Endangered (CR), because its occurrence is very restricted, and its populations are small and occurring in unprotected areas. To facilitate its recognition, we present an updated identification key for the species of Pleroma that occur in Paraná. Pleroma joelsilvae is a tribute to Joel Morais da Silva, for his extensive work as a plant collector on the staff of the “Museu Botânico Municipal de Curitiba”.
References
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Meyer, F.S., Meirelles, J., Caddah, M.K. & Goldenberg, R. (2012) Novos registros para a família Melastomataceae nos Estados do Paraná e Santa Catarina, Brasil. Hoehnea 39: 339–345. https://doi.org/10.1590/S2236-89062012000200011
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Meyer, F.S., Kollmann, L.J.C., Fraga, C.N. & Goldenberg, R. (2018) Four new rupicolous species of Pleroma (Melastomataceae) endemic to Espírito Santo, Brazil. Phytotaxa 384: 235–253. https://doi.org/10.11646/phytotaxa.348.4.1
Meyer, F.S. & Goldenberg, R. (2021) Chaetogastra cogniauxiana (Melastomataceae), a new Brazilian species from the Chaetogastra gracilis complex. Phytotaxa 511: 261–274. https://doi.org/10.11646/phytotaxa.511.3.5
Michelangeli, F.A., Guimarães, P.J.F., Penneys, D.S., Almeda, F. & Kriebel, R. (2013) Phylogenetic relationships and distribution of New World Melastomeae (Melastomataceae). Botanical Journal of the Linnean Society 171: 38–60. https://doi.org/10.1111/j.1095-8339.2012.01295.x
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Souza, M.L.D. (1986) Estudo taxonômico do gênero Tibouchina Aubl. (Melastomataceae) no Rio Grande do Sul, Brasil. Insula 16: 3–108.
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Triana, J.J. (1872) Les Mélastomacées. Transactions of the Linnean Society of London 28: 1–188. https://doi.org/10.1111/j.1096-3642.1871.tb00222.x
Ule, E. (1908) Melastomataceae. Beiträge zur Flora von Bahia. I. Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie 42: 191–238.
Wurdack, J.J. (1962) Melastomataceae of Santa Catarina. Sellowia 14: 109–217.
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
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BRASIL (2012) Lei Nº 12.651, de 25 de maio de 2012. Available from: https://www.planalto.gov.br/ccivil_03/_ato2011-2014/2012/lei/l12651.htm (accessed 12 February 2022)
Brotto, M.L. & Völtz, R.R. (2021) New records of four tree species in the state of Paraná, southern Brazil: Canellaceae, Lauraceae, Melastomataceae, and Myristicaceae. Checklist 17: 859–872. https://doi.org/10.15560/17.3.859
Camargo, E.A. & Goldenberg, R. (2007) Leandra seção Leandraria (Melastomataceae) no Estado do Paraná, Brasil. Iheringia - Série Botânica 62: 103–111.
Camargo, E.A., Souza, C.M.F., Caddah, M.K. & Goldenberg, R. (2009) O gênero Leandra, seções Carassanae, Chaetodon, Niangae, Oxymeris e Secundiflorae (Melastomataceae) no estado do Paraná. Rodriguésia 60: 595–631. https://doi.org/10.1590/2175-7860200960308
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De Candolle, A.P. (1828) Melastomataceae. In: De Candolle, A.L.P.P. (ed.) Prodromus Systematis Naturalis Regni Vegetabilis, v. 3. Treuttel et Würtz, Paris, pp. 99–202.
Don, D. (1823) An illustration of natural family of plants called Melastomataceae. Memoirs of the Wernerian Natural History Society 4: 276–329.
Goldenberg, R. (2004) O gênero Miconia (Melastomataceae) no Estado do Paraná, Brasil. Acta Botanica Brasilica 18: 927–947. https://doi.org/10.1590/S0102-33062004000400024
Goldenberg, R., Souza, C.M.F. & Dequech, H.B. (2005) Clidemia, Ossaea e Pleiochiton (Melastomataceae) no estado do Paraná, Brasil. Hoehnea 32: 453–466.
Goldenberg, R., Bacci, L.F. & Moraes, J.W. (2015) A tribo Microlicieae (Melastomataceae) no estado do Paraná. Rodriguésia 66: 155–165. https://doi.org/10.1590/2175-7860201566108
Goldenberg, R., Bacci, L.F. & Bochorny, T. (2016) Behuria, Bertolonia, Cambessedesia, Huberia e Mouriri, e chave para identificação de gêneros de Melastomataceae no Estado do Paraná. Rodriguésia 67: 445–454. https://doi.org/10.1590/2175-7860201667215
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Guimarães, P.J.F. (1997) Estudos taxonômicos de Tibouchina sect. Pleroma (D. Don) Cogn. (Melastomataceae). Phd-thesis, Universidade Estadual de Campinas, Campinas, São Paulo, Brazil, 191 pp. Available from: http://repositorio.unicamp.br/jspui/handle/REPOSIP/315439 (accessed 11 January 2022)
Guimarães, P.J.F. & Oliveira, C.M.S. (2009) Tibouchina Aubl. In: Martins, S.E., Wanderley, M.G.L., Shepherd, G.J., Giulietti, A.M., Melhem, T.S. (Eds.) Flora Fanerogâmica do Estado de São Paulo, v.6. Instituto de Botânica, São Paulo, pp. 127–149.
Guimarães, P.J.F., Michelangeli, F.A., Sosa, K. & Gomez, J.R.S. (2019) Systematics of Tibouchina and allies (Melastomataceae: Melastomateae): a new taxonomic classification. Taxon 68: 937–1002. https://doi.org/10.1002/tax.12151
Hickey, M. & King, C. (2000) The Cambridge Illustrated Glossary of Botanical Terms. Cambridge University Press, Cambridge. 208 pp.
Hijmans, R.J., Guarino, L. & Mathur, P. (2012) DIVA-GIS, Version 7.5: a geographic information system for the analysis of species distribution data. Available from: http://www.diva-gis.org (accessed 14 August 2021).
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Jussieu, A.L. de (1789) Genera plantarum secundum ordines naturales disposita, juxta methodum in horto regio parisiensi exaratum, anno 1774. Apud viduam Herissant et Theophilum Barrois, Paris. 498 pp. https://doi.org/10.5962/bhl.title.7762
Markgraf, F. (1927) Plantae Luetzelburgianae brasiliensis VII. Notizblatt des Botanischen Gartens und Museums zu Berlin-Dahlem 10: 43–54. https://doi.org/10.2307/3994816
Meyer, F.S., Guimarães, P.J.F. & Goldenberg, R. (2009) Uma nova espécie de Tibouchina Aubl. (Melastomataceae) e notas taxonômicas sobre o gênero no Estado do Paraná, Brasil. Hoehnea 36: 139–147. https://doi.org/10.1590/S2236-89062009000100008
Meyer, F.S., Guimarães, P.J.F. & Goldenberg, R. (2010a) Tibouchina (Melastomataceae) do estado do Paraná, Brasil. Rodriguésia 61: 615–638. https://doi.org/10.1590/2175-7860201061405
Meyer, F.S., Guimarães, P.J.F. & Kozera, C. (2010b) Uma nova espécie de Tibouchina Aubl. (Melastomataceae), endêmica do Paraná, Brasil. Revista Brasileira de Botânica 33: 265–269.
Meyer, F.S. & Goldenberg, R. (2012) Aciotis, Acisanthera, Marcetia, Microlepis, Pterolepis e Siphanthera (Melastomataceae, Melastomeae) no Estado do Paraná, Brasil. Rodriguésia 63: 293–303. https://doi.org/10.1590/S2175-78602012000200005
Meyer, F.S. & Goldenberg, R. (2014) Two new species of Pleroma (Melastomataceae: Melastomeae) from Brazil. Kew Bulletin 69: 9527. https://doi.org/10.1007/s12225-014-9527-8
Meyer, F.S., Meirelles, J., Caddah, M.K. & Goldenberg, R. (2012) Novos registros para a família Melastomataceae nos Estados do Paraná e Santa Catarina, Brasil. Hoehnea 39: 339–345. https://doi.org/10.1590/S2236-89062012000200011
Meyer, F.S. & Matos, F.B. (2017) The recognition of Tibouchina setosociliata Cogn. (Melastomataceae, Melastomeae) and its transfer to Pleroma D. Don. Phytotaxa 305: 201–208. https://doi.org/10.11646/phytotaxa.305.3.7
Meyer, F.S. & Goldenberg, R. (2016) Four new species of Chaetogastra (Melastomeae, Melastomataceae) from Southern. Phytotaxa 282: 239–258. https://doi.org/10.11646/phytotaxa.282.4.1
Meyer, F.S., Goldenberg, R. & Kollmann, L.J.C. (2016) Three new species of Pleroma (Melastomataceae) from Inselbergs of Espírito Santo, Brazil. Phytotaxa 282: 197–210. https://doi.org/10.11646/phytotaxa.282.3.3
Meyer, F.S., Kollmann, L.J.C., Fraga, C.N. & Goldenberg, R. (2018) Four new rupicolous species of Pleroma (Melastomataceae) endemic to Espírito Santo, Brazil. Phytotaxa 384: 235–253. https://doi.org/10.11646/phytotaxa.348.4.1
Meyer, F.S. & Goldenberg, R. (2021) Chaetogastra cogniauxiana (Melastomataceae), a new Brazilian species from the Chaetogastra gracilis complex. Phytotaxa 511: 261–274. https://doi.org/10.11646/phytotaxa.511.3.5
Michelangeli, F.A., Guimarães, P.J.F., Penneys, D.S., Almeda, F. & Kriebel, R. (2013) Phylogenetic relationships and distribution of New World Melastomeae (Melastomataceae). Botanical Journal of the Linnean Society 171: 38–60. https://doi.org/10.1111/j.1095-8339.2012.01295.x
Miquel, F.A.W. (1840) Observationes de quibusdamMelastomataceis. In: Miquel, F.A.W. (ed.) Commentarii phytographici: quibus varia rei herbariae capita illustrantur, v. 2. Lugduni Batavorum S et J. Luchtmans, Leiden, pp. 66–72.
Naudin, C. (1850) Melastomatacearum, monographicae descriptionis. Annales des Sciences Naturelles; Botanique ser. 3, t.13: 126–303.
Oliveira da Silva, M.F., Guimarães, P.J.F. & Michelangeli, F.A. (2014) Nomenclatural and taxonomic novelties in the tribe Melastomeae (Melastomataceae). Phytotaxa 186: 222–228. https://doi.org/10.11646/phytotaxa.186.4.6
Romero, R. & Versiane, A.F.A. (2014) Taxonomic novelty and typifications in Microlepis (Melastomataceae). Novon 23: 217–223. https://doi.org/10.3417/2011077
Schneider, C.A., Rasband, W.S. & Eliceiri, K.W. (2012) NIH Image to ImageJ: 25 years of image analysis. Nature Methods 9: 671–675. https://doi.org/10.1038/nmeth.2089
Souza, M.L.D. (1986) Estudo taxonômico do gênero Tibouchina Aubl. (Melastomataceae) no Rio Grande do Sul, Brasil. Insula 16: 3–108.
Stearn, W.T. (1985) Botanical Latin, 3 ed. Redwood Burn, Trowbridge, 566 pp.
Thiers, B. (2022) Index Herbariorum: A global directory of public herbaria and associated staff. Available from: https://sweetgum.nybg.org/science/ih/ (accessed 11 January 2021).
Triana, J.J. (1872) Les Mélastomacées. Transactions of the Linnean Society of London 28: 1–188. https://doi.org/10.1111/j.1096-3642.1871.tb00222.x
Ule, E. (1908) Melastomataceae. Beiträge zur Flora von Bahia. I. Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie 42: 191–238.
Wurdack, J.J. (1962) Melastomataceae of Santa Catarina. Sellowia 14: 109–217.