Abstract
In the context of an ongoing taxonomic review of Adesmia subg. Adesmia ser. Bicolores, a new endangered species endemic to Rio Grande do Sul state, Brazil, is herein described. The new species present a long glandular ochraceous indumentum, flowers 10–15 mm long, and arilated seeds. Information about morphology, differences from closely related species, phenology, conservation status, and etymology are provided.
References
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<p>Miotto, S.T.S. (1991) <em>O gênero Adesmia DC</em>. (Leguminosae – Faboideae) no Brasil. Tese de Doutorado. Universidade Estadual de Campinas, Campinas.</p>
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<p>Poiret, J.L.M. (1804) <em>Encyclopédie méthodique Botanique</em> 6: 395–449.</p>
<p>Reflora-Herbário Virtual. (2021) Available from: http://reflora.jbrj.gov.br/reflora/herbarioVirtual/ (accessed 11 February 2021)</p>
<p>Singh, B.N. (2012) Concepts of species and modes of speciation. <em>Current Science </em>103 (7): 784–790.</p>
<p>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. (2018) <em>International Code of Nomenclature for algae, fungi, and plants</em> (Shenzhen Code) <em>Regnum Vegetabile </em>159. Koeltz Botanical Books, Glashütten. https://doi.org/10.12705/Code.2018</p>
<p>Ulibarri, E.A. (1980) Notas sobre <em>Adesmia </em>I (Leguminosae). <em>Darwiniana</em> 22: 493–498.</p>
<p>Ulibarri, E.A. (1986) Las especies de <em>Adesmia </em>de la serie Microphyllae (Leguminosae – Papilionoideae). <em>Darwiniana</em> 27: 315–388.</p>
<p>Ulibarri, E.A. & Burkart, A. (2000) Sinopsis de las especies de <em>Adesmia</em> (Leguminosae-Papilionoideae) de la Argentina. <em>Darwiniana</em> 38: 59–126.</p>
<p>Ventenat, E.P. (1807) Notice surr les plantes qui seront publiées dans les cinq dernières livraison de l’ouvrage intitulée “Choix des plantes”. <em>Mémoires de la Classe des Sciences, Mathematique et Physique de l’Institut National de France, Paris</em> 8: 4–6.</p>
<p>Vogel, T. (1838) <em>Adesmia</em>. <em>Linnaea</em> 12: 72–81.</p>
<p>Burkart, A. (1939) Estudios sistemáticos sobre las Leguminosas – Hedysareas de la República Argentina y regions adjacentes. <em>Darwiniana </em>3 (2): 128–133.</p>
<p>Burkart, A. (1967) Sinopsis del género sudamericano de Leguminosas <em>Adesmia </em>DC. (Contribución al estudio del género <em>Adesmia</em> VII). <em>Darwiniana</em> 14: 463–568.</p>
<p>Davyt, M. & Izaguirre, P. (1996) Sinopsis de las espécies y variedades del género <em>Adesmia </em>DC. (Fabaceae – Adesmieae) em el Uruguay. <em>Parodiana</em> 9: 89–114.</p>
<p>De Candolle, A.P. (1825) Notes sur quelques genres et especes nouvelles de Légumineuses.<em> Annales des Sciences Naturelles </em>(Paris) 4: 94–95.</p>
<p>ESRI (2016) ArcGIS. Environmental Systems Resourse Institute, Redlands, California.</p>
<p>Gmelin, J.F. (1791) <em>Systema Naturae</em>, <em>Tomo II</em>. Leipzig, 1661 pp.</p>
<p>Hasenack, H., da Silva, J.S., Weber, E. & Hofmann, G.S. (2017) <em>A digital version of Hueck’s vegetation map of South America: 50 years after the release of his book on the sub-continent’s forests</em>. Geografía y Sistemas de Información Geográfica (GEOSIG), n. 9. pp. 1–5. [ISSN 1852-8031. http://www.gesig-proeg.com.ar]</p>
<p>Iganci, J.R.V., Heiden, G., Miotto, S.T.S. & Pennington, R.T. (2011) Campos de Cima da Serra: the Brazilian Subtropical Highland Grasslands show an unexpected level of plant endemism. <em>Botanical Journal of the Linnean Society</em> 167: 378–393. https://doi.org/10.1111/j.1095-8339.2011.01182.x</p>
<p>Iganci, J.R.V., Miotto, S.T.S., Souza-Chies, T.T., Särkinen, T.E., Simpson, B.B., Simon, M.F. & Pennington, R.T. (2013) Diversification history of <em>Adesmia</em> ser. <em>Psoraleoides</em> (Leguminosae): Evolutionary processes and the colonization of the southern Brazilian highland grasslands. <em>South African Journal of Botany</em> 89: 257–264. https://doi.org/10.1016/j.sajb.2013.06.016</p>
<p>Iganci, J.R.V. & Miotto, S.T.S. (2020) <em>Adesmia</em> in Flora do Brasil 2020 em construção. Jardim Botânico do Rio de Janeiro. Available from: http://reflora.jbrj.gov.br/reflora/floradobrasil/FB101027 (accessed 9 February 2021)</p>
<p>IUCN Standards and Petitions Subcommittee (2019) Guidelines for Using the IUCN Red List Categories and Criteria. Version 14. Prepared by the Standards and Petitions Subcommittee. Available from: http://www.iucnredlist.org/documents/RedListGuidelines.pdf (accessed 27 March 2019)</p>
<p>Jacquin, N.J. (1760) <em>Enumeratio Systematica Plantarum</em>, <em>quas in insulis Caribaeis.</em> Zug, 41 pp. https://doi.org/10.5962/bhl.title.100687</p>
<p>JSTOR-Global Plants (2021) Available from: https://plants.jstor.org/ (accessed 11 February 2021)</p>
<p>Kunth, C.S. (1824) <em>Nova Genera et Species Plantarum, tomo VI.</em> Paris, 600 pp.</p>
<p>Klitgaard, B. & Lavin, M. (2005) Tribe Dalbergieae. <em>In</em>: Lewis, G., Schrire, B., Mackinder, B. & Lock, M. (Eds.) <em>Legumes of the World</em>. Royal Botanic Gardens, Kew, London, pp. 307–335.</p>
<p>Lavin, M., Pennington, R.T., Klitgaard, B.B., Sprent, J.I., Lima, H.C., De & Gasson, P.E. (2001) The Dalbergioid legumes (Fabaceae): delimitation of a pantropical monophyletic clade. <em>American Journal of Botany </em>88 (1): 503–533. https://doi.org/10.2307/2657116</p>
<p>Lewis, G., Schrire, B., Mackinder, B. & Lock, M. (2005) <em>Legumes of the World</em>. Royal Botanic Gardens, Kew, London, 577 pp.</p>
<p>Loureiro, J. (1790) <em>Flora Cochinchinensis</em> 2: 425 [as Phynchosia].</p>
<p>Miotto, S.T.S. (1991) <em>O gênero Adesmia DC</em>. (Leguminosae – Faboideae) no Brasil. Tese de Doutorado. Universidade Estadual de Campinas, Campinas.</p>
<p>Miotto, S.T.S. & Leitão Filho, H.F. (1993) Leguminosae – Faboideae, gênero <em>Adesmia </em>DC. Flora Ilustrada do Rio Grande do Sul, 23. <em>Boletim do Instituto de Biociências</em> 52: 1–151.</p>
<p>Moura, T.M. Gereau, R.E. Särkinen, T.E. & Fortuna-Perez, A.P. (2018) A New Circumscription of <em>Nissolia</em> (Leguminosae Papilionoideae-Dalbergieae), with <em>Chaetocalyx</em> as a New Generic Synonym. <em>Novon</em> 26 (2): 193–213. https://doi.org/10.3417/2018037</p>
<p>Overbeck, G.E., Muller, S.C., Fidelis, A., Pfadenhauer, J., Pillar, V.D., Blanco, C.C., Boldrini, I.I., Both, R. & Forneck, E.D. (2007) Brazil’s neglected biome: The South Brazilian Campos. <em>Perspectives in Plant Ecology, Evolution and Systematics</em> 9: 101–116.<em> h</em>ttps://doi.org/10.1016/j.ppees.2007.07.005</p>
<p>Poiret, J.L.M. (1804) <em>Encyclopédie méthodique Botanique</em> 6: 395–449.</p>
<p>Reflora-Herbário Virtual. (2021) Available from: http://reflora.jbrj.gov.br/reflora/herbarioVirtual/ (accessed 11 February 2021)</p>
<p>Singh, B.N. (2012) Concepts of species and modes of speciation. <em>Current Science </em>103 (7): 784–790.</p>
<p>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. (2018) <em>International Code of Nomenclature for algae, fungi, and plants</em> (Shenzhen Code) <em>Regnum Vegetabile </em>159. Koeltz Botanical Books, Glashütten. https://doi.org/10.12705/Code.2018</p>
<p>Ulibarri, E.A. (1980) Notas sobre <em>Adesmia </em>I (Leguminosae). <em>Darwiniana</em> 22: 493–498.</p>
<p>Ulibarri, E.A. (1986) Las especies de <em>Adesmia </em>de la serie Microphyllae (Leguminosae – Papilionoideae). <em>Darwiniana</em> 27: 315–388.</p>
<p>Ulibarri, E.A. & Burkart, A. (2000) Sinopsis de las especies de <em>Adesmia</em> (Leguminosae-Papilionoideae) de la Argentina. <em>Darwiniana</em> 38: 59–126.</p>
<p>Ventenat, E.P. (1807) Notice surr les plantes qui seront publiées dans les cinq dernières livraison de l’ouvrage intitulée “Choix des plantes”. <em>Mémoires de la Classe des Sciences, Mathematique et Physique de l’Institut National de France, Paris</em> 8: 4–6.</p>
<p>Vogel, T. (1838) <em>Adesmia</em>. <em>Linnaea</em> 12: 72–81.</p>