Abstract
Evolvulus comprises approximately 100 American species and is one of the largest genera in Convolvulaceae; it includes taxa that are sometimes difficult to identify; some of them have typification and taxonomic problems. Both nomenclatural and taxonomic issues were detected during the ongoing taxonomic treatment of the Evolvulus species from the northeastern region of Brazil. This study was conducted with a comprehensive protologue analysis, study of herborized specimens, including types, observation of populations in the field, and morphological analysis. From our conclusions, five lectotypifications, one second-step lectotypification, one neotypification for E. luetzelburgii and three new synonyms are proposed herein.
References
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WCSP (2017) World Checklist of Selected Plant Families. Facilitated by the Royal Botanic Gardens, Kew Published on the Internet. Available from: http://apps.kew.org/wcsp/ (accessed 20 May 2020)
Bandeira, Á.N.T., Buril, M.T., Costa, F.C.P. & Melo, J.I.M. (2017) Evolvulus flavus sp. nov. (Convolvulaceae) from the Brazilian Caatinga. Nordic Journal of Botany 35: 20–24. https://doi.org/10.1111/njb.01268
Bachman, S., Moat, J., Hill, A.W., De La Torre, J. & Scott., B. (2011) Suporting red list threat assessments with GeoCAT: Geospatial conservation assessment tool. In e-Infrastructures for Data Publishing in Biodiversity Science, eds. V. Smith and L. Penev. Zookeys 150: 117–126. https://doi.org/10.3897/zookeys.150.2109
Falcão, W.F.A. (1981) Contribuição ao estudo das Convolvulaceae do Espírito Santo. Rodriguésia 33: 56–101. https://doi.org/10.1590/2175-78601982345607
Ferreira, P.P.A., Simão-Bianchini, R. & Miotto, S.T.S. (2014) O gênero Evolvulus L. (Convolvulaceae) na Região Sul do Brasil. Iheringia 69: 201–214. https://isb.emnuvens.com.br/iheringia/article/view/14
Field Museum Berlin Negatives (2017) Available from: http://web.fieldmuseum.org/botany/search_berlin.php (accessed 17 August 2019)
Harris, J. & Harris, M. (2001) Plant Identification Terminology – An Ilustrated Glossary, 2nd edition. Spring Lake, Utah, Spring Lake Publishing.
IUCN (2013) The IUCN red list of threatened species, version 2013.1. IUCN Red List Unit, Cambridge U.K. Available from: http://www.iucnredlist.org/ (accessed 20 May 2020 )
Junqueira, M.E.R. & Simão-Bianchini, R. (2006) O gênero Evolvulus L. (Convolvulaceae) nomunicípio de Morro do Chapéu, BA, Brasil. Acta Botânica Brasilica 20: 152–172. https://doi.org/10.1590/S0102-33062006000100015
Linnaeus, C. (1762) Species plantarum, ed. 2. Laurentii Salvii.
Meissner, C.F. (1869) Convolvulaceae. In: Martius, C.P.F. & Eichler, A.G. (Org.) Flora brasiliensis. F. Fleischer, pp. 72–124.
Ooststroom, S.J. (1934) A monograph of the genus Evovulus. Mededeelingen van het Botanisch Museum en Herbarium van de Rijks Universiteitte Utrecht 14: 1–267.
Santos, D. & Buril, M.T. (2020) O gênero Evolvulus (Convolvulaceae) no estado de Pernambuco, Brasil. Rodriguesia 71: 2–43. https://doi.org/10.1590/2175-7860202071119
Santos, F.D.S., Arruda, E.C.P. & Buril, M.T. (2020) Hidden in the rocks: A new species of Evolvulus L. (Convolvulaceae) revealed by anatomy. Brittonia 72: 282–289. https://doi.org/10.1007/s12228-020-09615-y
Silva, C.V. (2008) O gênero EvolvulusL. (Convolvulaceae) no estado de São Paulo e no Distrito Federal, Brasil. Instituto de Botânica, São Paulo, 72 pp.
Silva, C.V. (2013) Revisão taxonômica de Evolvulus L.-seção Phyllostachyi Meisn. (Convolvulaceae). Instituto de Botânica, São Paulo, 133 pp.
Silva, C.V. & Simão-Bianchini, R. (2014) Three new species of Evolvulus (Convolvulaceae) from Bahia, Brazil. Phytotaxa 166 (2): 132–138. https://doi.org/10.11646/phytotaxa.166.2.4
Staples, G. & Prado, J. (2018) Clarification is needed in the Code for the nomenclatural status of type specimen photographs. Taxon 67: 833–835. https://doi.org/10.12705/675.2
Thiers, B. (2019) 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 18 Aug 2019)
Turland, N.J., Wiersema, J.H., Barrie, F.R., Greuter, W., Hawksworth, D.L., Herendeen, P.S., Knapp, S., Kusber, W.H., Li, D.Z., Marhold, K., May, T.W., McNeill, J., Monro, A.M., Prado, J., Price, M.J. & Smith, G.F. (Eds.) (2018) International Code of Nomenclature for algae, fungi, and plants (Shenzhen Code) adopted by the Nineteenth International Botanical Congress Shenzhen, China, July 2017. Regnum Vegetabile 159. Koeltz, Glashütten, 254 pp. https://doi.org/10.12705/Code.2018
WCSP (2017) World Checklist of Selected Plant Families. Facilitated by the Royal Botanic Gardens, Kew Published on the Internet. Available from: http://apps.kew.org/wcsp/ (accessed 20 May 2020)