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Three new species and a revised key to species of Oxalis section Polymorphae (Oxalidaceae)

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Abstract

Three new species of Oxalis sect. Polymorphae are here described and illustrated: Oxalis artemioides, O. calcicola, and O. monochasiata. These species have narrow geographic distributions, each being known from just one location. Oxalis artemioides differs from other species of the section by the glabrous stem, narrow terminal leaflets (8–10.5 × 2 mm), and inflorescences with elongated dichasial branches bearing flowers only in the distal portion. Oxalis calcicola differs from other species by having the young stem with adpressed-retrorse trichomes, inflorescences shorter than adjacent leaves, short dichasial branches (0.5–3 mm long) with flowers densely grouped along the entire length, and glabrous pedicels. Oxalis monochasiata is remarkable because of its monochasial inflorescence and the two-ovulate carpels, both features unique within Oxalis sect. Polymorphae. The new species are compared to similar species of the section, and information on distribution and habitat, phenology, and conservation status according with IUCN criteria are provided. Geographic distribution maps, lists of examined materials and an identification key for species of this section are also presented.

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Notes

  1. The type material of this recently described species (Fiaschi, 2012) is Sucre & Braga 4543, and not Sucre & Braga 1428, as appeared in the species protologue (p. 34). This error was due to a misunderstanding of the label information, which carries numbers from both collectors: Sucre 4543 & Braga 1428.

  2. According to Lourteig (1994), the lateral leaflets of Oxalis puberula are similar to the terminal one. Even though leaflets from this species are not as asymmetric as those from other species of Oxalis sect. Polymorphae, they usually do have an asymmetric base. Despite the fact that O. puberula is hardly distinguished from O. polymorpha, I follow Lourteig (1994) in keeping these two species as distinct taxa.

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Acknowledgments

Financial support for this study was provided by Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP, grant # 2010/02814-7). I am grateful to Donald McClelland and an anonymous reviewer for their suggestions, to the curators of the herbaria I visited for sending loans of specimens for this study, and to Rogério Lupo for the drawings.

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Authors and Affiliations

  1. Departamento de Botânica, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, Campus Reitor João David Ferreira Lima, Trindade, CEP: 88040-970, Florianópolis, Santa Catarina, Brazil

    Pedro Fiaschi

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  1. Pedro Fiaschi
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Correspondence to Pedro Fiaschi.

Appendix. List of the additional specimens examined

Appendix. List of the additional specimens examined

Oxalis alstonii Lourteig—BRAZIL. Bahia: Cachoeira, Barragem de Bananeiras, 25 Nov 2003, Amorim et al. 3824 (CEPEC, HUEFS), June 1980, Pedra do Cavalo 202 (CEPEC, RB); Anguera, 31 Oct 2006, Cardoso et al. 1406 (HUEFS), 12 Feb 2006, Ferreira & França 30 (HUEFS), 31 Oct 2006, Novais et al. 23 (HUEFS); Paramirim, 28 Apr 2007, Conceição et al. 1894 (HUEFS); Iaçu, 5 Feb 2005, Paula-Souza et al. 5443 (ESA); Ilhéus, 23 Jan 1986, Hage & dos Santos 1814 (CEPEC, SPF); Senhor do Bonfim, 1 Mar 1974, Harley 16572 (CEPEC), 29 July 2005, Santos et al. 444 (HUEFS); Rio de Contas, 7 Feb 2004, Harley et al. 54826 (HUEFS), 6 Mar 1994, Souza et al. 5256 (HUEFS, SPF); Bom Jesus da Lapa, 14 Feb 1991, Hatschbach & Ribas 55144 (MBM); Macaúbas, 20 Apr 1996, Hatschbach et al. 65113 (MBM), 18 Jan 1997, Hatschbach et al. 66148 (MBM); Malhada, 2 Apr 2001, Jardim et al. 3433 (CEPEC); Muquém de São Francisco, 5 May 1912, Lutz 52 (R); Feira de Santana, 9 Sep 1997, Melo et al. 5111 (HUEFS); Riacho de Santana, 12 Feb 2000, Queiroz et al. 5934 (CEPEC, HUEFS, MBM, SPF). Minas Gerais: Serranópolis de Minas, Talhado, 7 Apr 2010, Cervi et al. 9686 (MBM); Capitão Enéas, 3 Apr 1992, Hatschbach & Barbosa 56515 (P), 19 Mar 1995, Hatschbach et al. 62043 (MBM, SPF), 9 Mar 1998, Hatschbach et al. 67562 (MBM); Santana de Pirapama, Serra do Cipó, 7 Mar 2010, Zappi et al. 2754 (SPF).

O. blackii Lourteig—BRAZIL. Espírito Santo: Cachoeiro do Itapemirim, 26 May 1949, Brade 19904 (RB, SPF); Itaguaçu, 28 May 1946, Brade et al. 18484 (HRCB, P, RB, SPF); Afonso Cláudio, 17 June 1991, Hatschbach & Silva 55581 (MBM, SPF); Barra de São Francisco, 13 Dec 2000, Kollmann & Bausen 3528 (MBML); Afonso Cláudio, 27 Jan 2009, Kollmann & Fontana 11493 (MBML); Santa Teresa, 24 Feb 2006, Kollmann et al. 8677 (SPF), 29 Sep 2006, Kollmann et al. 9336 (MBML); Atilio Vivacqua, 21 Apr 2007, Simonelli et al. 1150 (MBML, SPF).

O. colatinensis Fiaschi—BRAZIL. Espírito Santo: Marilândia, 19 Jan 2006, Demuner et al. 1730 (MBML), 22 Mar 2007, Demuner et al. 3378 (MBML); Rio Bananal, 25 Apr 2007, Demuner et al. 3821 (MBML, SPF); Marilândia, 12 Dec 2007, Demuner et al. 4769 (MBML), 19 Jan 2011, Fiaschi et al. 3481 (SPF), 20 Jan 2011, Fiaschi et al. 3485 (SPF); Colatina, 17 Apr 2006, Magnago et al. 777 (SPF); Marilândia, 5 Dec 1994, Pirani et al. 3432 (SPF), 13 Sep 2007, Vervloet et al. 3505 (MBML).

O. kollmannii Fiaschi—BRAZIL. Espírito Santo: Santa Teresa, 28 Mar 2000, Demuner & Pizziolo 857 (MBML), 3 Dec 1998, Kollmann et al. 1218 (CEPEC, MBML), 12 Jun 2005, Kollmann & Jaramillo 7817 (SPF); Alegre, 28 Jan 2009, Kollmann et al. 11483 (MBML), 23 Dec 2008, Manhães et al. 176 (SPF); Santa Teresa, 1 Feb 1969, Sucre & Braga 4543 (P, RB, SPF).

O. neuwiedii Zucc.—BRAZIL. Bahia: Ilhéus, 24 May 1965, Belém 1107 (CEPEC); Camacã, 5 Sep 2001, Guedes et al. 9527 (CEPEC); Ilhéus, 13 May 1981, Hage & Brito 685 (CEPEC), 18 Aug 1981, Hage & Brito 1211 (CEPEC); Potiraguá, 26 Sep 1969, Hage & Mattos-Silva 306 (CEPEC, MBM); Macarani, 2 Aug 1978, Mattos-Silva et al. 183 (CEPEC); Itaimbé, 25 Feb 1970, Mello-Filho & Emmerich 2917 (CEPEC); Itambé, 3 Mar 1978, Mori et al. 9377 (CEPEC); Ubaíra, 10 Mar 2008, Oliveira et al. 1557 (HUEFS); Pau Brasil, 24 Mar 2005, Paixão et al. 385 (CEPEC); Itapebi, 13 Oct 2007, Perdiz et al. 149 (CEPEC); Canavieiras, 22 June 2008, Perdiz et al. 274 (CEPEC); Itapebi, 10 Nov 1967, Pinheiro & Santos 405 (CEPEC); Itapetinga, 3 Feb 2004, Thomas et al. 10271 (CEPEC); Pau Brasil, 15 Apr 1997, Thomas et al. 11542 (CEPEC, MBM). Espírito Santo: Faz. Gigante, Rio Doce, 15 July 1942, Bueno & Emygdio 227 (R); Nova Venécia, 16 Nov 1953, Duarte 3940 (RB); Serra de Cima, Cristalino, 17 Nov 1953, Duarte et al. 3998 (RB); Linhares, 11 May 2000, Fiaschi et al. 237 (CVRD, SPF), 3 Mar 2004, Fiaschi et al. 1998 (CEPEC), 20 Dec 1999, Folli 3533 (CVRD, SPF), 29 Dec 2000, Folli 3791 (CVRD, SPF), 1 Aug 2002, Folli 4306 (CVRD, SPF), 20 May 2003, Folli 4518 (CVRD, SPF); Nova Venécia, 14 Apr 2009, Forzza et al. 5509 (MBML, RB); São Mateus, 7 Aug 1983, Hatschbach 46788 (MBM), 14 Oct 1992, Hatschbach et al. 58060 (CEPEC, MBM); Jaguaré, 20 Apr 2010, Kollmann & Esguario 11939 (MBML); Nova Venécia, 13 Jan 2009, Kollmann & Fontana 11363 (MBML, RB); Linhares, 1 Dec 2006, Lucas et al. 909 (ESA), 10 May 1977, Martinelli et al. 1887 (RB), 10 May 1977, Martinelli et al. 1888 (RB, SPF), 15 May 1977, Martinelli 2134 (RB, SPF); São Mateus, 15 May 1977, Martinelli et al. 2144 (RB); Linhares, 30 Oct 1983, Martinelli & Soderstrom 9737 (RB, SPF), 25 Nov 1970, Mello-Filho & Emmerich 3449 (CEPEC, R), 10 May 2006, Paciencia et al. 2430 (ESA), 20 Apr 1983, Peixoto & Lima 1757 (RB), 21 Apr 1983, Peixoto & Lima 1785 (RB); São Mateus, 4 Dec 1994, Pirani et al. 3344 (F, MBM, NY, RB, SP, SPF); Linhares, 11 Apr 2006, Rando et al. 245 (ESA, RB), 11 Apr 2006, Rando et al. 267 (ESA), 10 Apr 2006, Romão et al. 1294 (ESA, RB); Reserva Sooretama, Mata de Tabuleiro do Macuco, 17 July 1969, Sucre 5665 (RB, SPF).

O. neuwiedii ssp. pardoensis Lourteig—BRAZIL. Paraná: Adrianópolis, Barra do Rio Pardo, 20 Feb 1978, Lourteig & Hatschbach 3174 (P). São Paulo: Eldorado, 5 Sep 1995, Souza et al. 9160 (ESA, SP).

O. polymorpha Mart. ex Zucc.—BRAZIL. Bahia: Porto Seguro, 13 Oct 2006, Amorim et al. 6447 (CEPEC, HUEFS); Cruz das Almas, 12 Nov 1983, Bautista 1323 (RB); Porto Seguro, 17 July 1981, Brito & da Vinha 41 (CEPEC); Itabuna, 16 Dec 1966, Emygdio et al. 2423 (R); Porto Seguro, 21 Mar 1974, Harley 17217a (CEPEC, RB), 9 Oct 1969, Jesus 478 (CEPEC); Almadina, 18 July 1978, Mori et al. 10261 (CEPEC); Ibicaraí, 17 Mar 1979, Mori et al. 1602 (CEPEC); Santa Cruz Cabrália, 21 Mar 1978, Mori et al. 9767 (CEPEC); Almadina, 19 July 1978, Mori et al. 10298 (CEPEC); Santa Cruz Cabrália, 18 Oct 1978, Mori et al. 10817 (CEPEC); Almadina, 11 Aug 1972, Pinheiro 1904 (CEPEC); Santa Cruz Cabrália, 21 Nov 1984, Santos 456 (CEPEC); Ipiaú, 30 Oct 1970, Santos 1235 (CEPEC). Espírito Santo: Serra, 19 July 1973, Araújo & Peixoto 309 (RB, SPF); Governador Lindemberg, 13 Nov 2006, Demuner et al. 3043 (MBML, SPF), 26 Apr 2007, Demuner et al. 3890 (MBML, SPF); Linhares, 3 Apr 1993, Farias 605 (CVRD, SPF), 12 May 2000, Fiaschi et al. 240 (PEUFR, SPF), 1 Feb 2002, Fiaschi 964 (SPF), 12 Mar 1987, Folli 629 (CVRD, SPF), 4 Mar 2008, Folli 5877 (CVRD, SPF), 14 Oct 1992, Hatschbach et al. 58067 (MBM), 12 Apr 1934, Kuhlmann 182 (RB); Sooretama, 30 Apr 2008, Lopes et al. 1592 (SPF); Linhares, 21 Apr 1983, Peixoto & Lima 1778 (RB, SPF), 17 Jan 1975, Peixoto & Peixoto 388 (RB); Sooretama, 11 May 2008, Salino et al. 13285 (BHCB). Minas Gerais: Lagoa Santa, 14 Nov 1995, Brina & Costa s.n. (BHCB 36382), 14 Nov 1995, Brina & Costa s.n. (BHCB 36383); Coronel Pacheco, 20 Feb 1942, Heringer 946 (SP, SPF), 2 June 1945, Heringer 1921 (SP, SPF); Marliérea, 30 Mar 1996, Lombardi et al. 1183 (BHCB), 30 Mar 1996, Lombardi et al. 1214 (BHCB), 6 Dec 1996, Lombardi 1507 (BHCB), 1 Mar 1999, Lombardi 2498 (BHCB); Parque Florestal do Rio Doce, 15 Feb 1973, Mello Filho 3755 (R); Marliérea, 26 Mar 2006, Ordones et al. s.n. (BHCB, SPF), Belo Horizonte, 14 Jan 1999, Sousa 338 (BHCB); Marliérea, 3 June 1998, Temponi 14 (BHCB).

O. polymorpha ssp. tijucana Lourteig—BRAZIL. Rio de Janiero: Santo Antônio de Imbé, Apr 1932, Brade 11751 (R); Jacarepaguá, 21 Apr 1980, Plowman 10108 (RB); Recreio dos Bandeirantes, 4 Dec 1978, Martinelli 5551 (RB).

O. puberula Nees & Mart.—BRAZIL. Bahia: Cairu, 18 Aug 2008, Amorim et al. 7672 (CEPEC, SPF); Feira de Santana, 8 July 1982, Brito 42 (HUEFS); Conceição de Feira, 16 Feb 1981, Carvalho 521 (CEPEC); Cachoeira, June 1980, Grupo Pedra do Cavalo 298 (CEPEC); Feira de Santana, 20 Sep 1980, Noblick 1997 (CEPEC, HUEFS), 29 Mar 1984, Noblick 3116 (CEPEC, HUEFS). Ceará: Viçosa do Ceará, 22 June 1972, Sucre & Silva 9252 (RB, SPF). Espírito Santo (?): Rio Doce, Fazenda de Santa Adelaide, 5 Dec 1943, Kuhlmann 6625 (RB). Minas Gerais: Congonhas (do Campo), 18 Jan 1881, Glaziou 13647 (R); (Ouro Preto), Antônio Pereira, 22 Feb 1883, Glaziou 14586 (P).

O. rhombeo-ovata A.St.-Hil.—ARGENTINA. Missiones: Iguazú, 6 Aug 1991, Vanni et al. 2675 (MBM). BRAZIL. Minas Gerais: Lagoa Santa, 9 Nov 1995, Brina & Costa s.n. (BHCB 36394); Unaí-Formosa-Bonsucesso, 28 Oct 1992, Teixeira & Brina s.n. (BHCB 36204). Paraná: Foz do Iguaçu, 29 July 2004, Barbosa & Costa 968 (MBM), 28 June 2007, Barbosa et al. 2209 (MBM); Jundiaí do Sul, 10 July 2008, Barbosa & Costa 2331 (MBM); Foz do Iguaçu, 14 Aug 1988, Botelho 973 (MBM); Jundiaí do Sul, 5 Nov 1996, Carneiro 239 (MBM); Telêmaco Borba, 14 Sep 2008, Castilho & Baijuk 163 (MBM); Laranjeiras do Sul, 13 June 1968, Hatschbach & Guimarães 405 (MBM); Tibagi, 8 May 1953, Hatschbach 3133 (MBM); São Jerônimo da Serra, 23 Feb 1957, Hatschbach 3980 (MBM); São Tomé, 30 Apr 1966, Hatschbach 14325 (MBM); Santo Antônio do Caiuá, 22 June 1966, Hatschbach 14448 (MBM); Terra Boa, 18 Jan 1967, Hatschbach 15728 (MBM), 16 May 1969, Hatschbach 21519 (MBM); Alvorada do Sul, 10 July 1969, Hatschbach & Guimarães 21717 (MBM); Catanduvas, 10 Oct 1974, Hatschbach & Pelanda 35115 (MBM); Cerro Azul, 20 Mar 1974, Hatschbach 33855 (MBM, UEC), 22 Mar 1974, Hatschbach 33878 (MBM); Quatigua, 21 July 1977, Hatschbach 40039 (MBM); Cerro Azul, 18 Feb 1981, Hatschbach & Martinez 43606 (MBM, UEC), 27 Mar 1981, Hatschbach 43687 (MBM, SPF), 6 Dec 1983, Hatschbach 47844 (MBM), 22 Aug 1985, Hatschbach & Cervi 49575 (MBM), 5 Sep 1990, Hatschbach & Kummrow 54434 (ESA, MBM), 26 Nov 1998, Hatschbach et al. 68887 (MBM); Telêmaco Borba, 19 Sep 2008, Kaehler 222 (MBM); Jacarezinho, 30 Mar 1974, Kummrow 526 (MBM); Terra Boa, 17 Mar 1966, Lindeman & Haas 605 (MBM); Tomazina, 19 Oct 1966, Lindeman & Haas 3230 (MBM); Ibiporã, 13 Feb 2007, Marestoni et al. 109 (FUEL, SPF); Lupionópolis, 4 May 2007, Marestoni et al. 107 (FUEL, SPF); Sapopema, 31 Oct 1998, Medri 741 (ESA), 14 Nov 1998, Medri et al. 764 (BHCB, RB); Foz do Iguaçu, 10 Nov 1963, Pereira & Hatschbach 7818 (MBM); São Pedro do Ivaí, 16 Oct 2003, Ribas et al. 5575 (MBM, SPF); Fênix, 30 June 2005, Ribas & Silva 6907 (MBM); Foz do Iguaçu, 4 Aug 2007, Rodolfo et al. 28 (MBM), Getúlio Vargas, 19 July 1938, Rombouts & Solos 109 (SP, SPF); Londrina, 23 Mar 1997, Silva & Ziller 1896 (ESA, MBM); Três Barras do Paraná, 16 Oct 1997, Silva et al. 2130 (ESA, MBM); Capitão Leônidas Marques, 15 Apr 1999, Silva et al. 2935 (MBM); Adrianópolis, 22 Aug 2000, Silva et al. 3189 (MBM, SPF); Cerro Azul, 13 Sep 2006, Silva & Barbosa 5039 (MBM); Guapirama, 22 Feb 2007, Silva & Barbosa 5603 (MBM); Foz do Iguaçu, Apr 1990, Sobral et al. 6182 (MBM); Leópolis, 13 Jan 2004, Souza 29671 (MBM); Rolandia, 12 Feb 1937, Tessmann (6)100 (RB); Bandeirantes, 3 Nov 1995, Tomé 568 (MBM); Santa Amélia, 10 Jan 1996, Tomé 655 (MBM); Telêmaco Borba, 17 Sep 2008, Vallejos & Lima 8 (MBM). Santa Catarina: Florianópolis, 22 Feb 1996, Conceição 17 (SPF); Celso Ramos, 19 Aug 1992, Hatschbach & Silva 57163 (ESA, MBM); Camboriú, 3 Feb 1983, Krapovickas & Cristóbal 38425 (MBM). São Paulo: Águas de São Pedro, 20 Oct 1987, Adassme s.n. (ESA); Analândia, 27 Jan 1990, Almeida 203 (UEC); Itirapina, 18 July 1995, Amaral et al. 95/74 (SP); Guareí, 14 Feb 1996, Amaral Jr. et al. 14296-7 (BOTU, CEPEC); Bofete, 11 Apr 2007, Baggio 66 (BOTU, CEPEC); Teodoro Sampaio, 23 June 1994, Baitello 664 (SP, SPF); Itirapina, 15 Feb 1993, Barros 2726 (SP, SPF); Tietê, 19 July 1994, Bernacci et al. 488 (IAC, SP, SPF, UEC); Campinas, 13 Aug 1995, Bernacci & Andrade 1927 (SP, SPF, UEC); Piracicaba, 4 May 1985, Catharino 301 (SP), 27 Sep 1985, Catharino 430 (ESA); São Paulo, 9 Oct 1980, Custódio-Filho & Dias 379 (SP); São Carlos, 22 June 1961, Eiten et al. 3155 (SP), Eiten et al. 3168 (SP); Jaú, 21 Aug 1919, Gehrt s.n. (SP 3624); Mogi-Guaçu, 22 Sep 1976, Gibbs & Leitão-Filho 2907 (UEC); São Paulo, 26 Sep 1929, Gonçalves s.n. (SP, SPF); Itapira, 16 May 1927, Hoenhe s.n. (SP 20336); Campinas, 2 June 1977, Joly et al. s.n. (UEC); Juquiá, 25 Nov 1954, Kuhlmann 3119 (SP); Jundiaí, 8 Oct 1976, Leitão-Filho et al. 3161 (MBM, UEC), 7 Nov 1981, Leitão-Filho et al. 13105 (UEC); São Roque, 14 Oct 1988, Leitão-Filho et al. 20922 (UEC); Campinas, 15 Apr 1992, Lombardi 16 (UEC); Santa Rita do Passa Quatro, 11 Sep 1976, Martins 2887 (UEC), 25 Oct 1978, Martins 10031 (UEC); Jeriquara, 17 Mar 1964, Mattos & Bicalho 11514 (MBM, SP, SPF); Bragança Paulista, 7 Oct 1990, Mello-Silva et al. 382 (ESA, F, HRCB, RB, SP, SPF); Campinas, 6 June 1977, Monteiro et al. 5620 (UEC); Gália, 15 Mar 1981, Muniz 349 (SP, SPF); Itirapina, 14 Nov 2003, Nascimento 2 (ESA); Brotas, 25 Jan 2007, Nicolau et al. 3147 (SP, SPF); Rio Claro, 28 Nov 2007, Nicolau et al. 3367 (SP, SPF); Pompeia, 23 oct 2004, Oliveira & Almeida 60 (SPF); Rio Claro, 9 Feb 1979, Pagano 103 (UEC), 11 Apr 1979, Pagano 122 (UEC); Jundiaí, 14 Dec 1997, Pansarin 97/108 (UEC); Rio Claro, 2 Sep 1984, Pirani et al. 846 (K, SPF); Barra Bonita, 3 Sep 1984, Pirani et al. 866 (F, SP, SPF); Gália, 5 July 1994, Pirani & Garcia 3237 (SP, SPF); Jundiaí, 18 July 1995, Pirani et al. 3645 (SP, SPF); Campinas, 30 Mar 1977, Ramos et al. 4806 (MBM, UEC); Santa Rosa de Viterbo, 20 Sep 1979, Rubens 16 (RB); Brotas, 21 Sep 1989, Salis 86 (ESA, UEC), 7 Oct 1990, Salis 88 (ESA, UEC); Itapira, 16 Mar 1983, Santos & Yano s.n. (SP, SPF); Botucatu, 14 May 2009, Santos & Ferreira s.n. (HRCB, SPF); São Sebastião, 6 Oct 1969, Shepherd et al. 10436 (UEC); São Paulo, 3 May 1996, Shirasuna et al. 96 (SP, SPF); Barra do Turvo, 15 Jan 1999, Silva et al. 2865 (ESA, MBM); Piracicaba, 14 July 1993, Souza et al. 5991 (ESA, SPF); Campinas, 15 Sep 1983, Sugiyama & Chiea 318 (SP, SPF); Jundiaí, 22 Sep 1983, Sugiyama & Chiea 350 (SP, UEC); Campinas, 5 Apr 1977, Tamashiro et al. 29 (MBM, RB, UEC); Iperó, 6 Aug 1994, Tamashiro et al. 445 (SP, SPF); Cássia dos Coqueiros, 10 Nov 1994, Tozzi & Sciamarelli 94-67 (SP, SPF), 10 Nov 1994, Tozzi & Guaratini 94-157 (SP); Iperó, 1 Dec 1998, Tozzi et al. 98-109 (UEC); Campinas, 22 Feb 1983, Trigo 14515 (UEC); Piracicaba, 14 July 1994, van den Berg et al. 87 (ESA); Campinas, 18 Oct 1976, Vasconcelos Neto 3242 (MBM, UEC), 28 Mar 1939, Viegas & Kiehl s.n. (IAC, SP, SPF); Jundiaí, 18 Apr 1985, Wanderley et al. 2126 (SP, SPF), 13 Aug 1984, Webster 25202 (UEC); Brotas, 13 Apr 1992, Zickel & Belinello 30282 (UEC).

O. roselata A.St-Hil.—BRAZIL. Minas Gerais: (Jequitinhonha), St.-Hilaire Voyage 1816-21 (P photo).

Oxalis umbraticola A.St.-Hil.—BRAZIL. Minas Gerais: Jacobina, 2 Apr 1999, Harley & Giulietti 53699 (HUEFS, SPF). Distrito Federal: Brazlândia, 28 Apr 1992, Filgueiras 2289 (RB); APA de Cafuringa, 22 Dec 1992, Pereira & Mecenas 2378 (RB); Brasília, 24 Apr 1963, Pires et al. 9314 (RB). Espírito Santo: Castelo, 9 Apr 2009, Amorim et al. 7809 (MBML, RB); Cachoeiro de Itapemirim, June 1949, Brade 19999 (HRCB, P, PEUFR, RB, SPF); Muniz Freire, 6 Apr 1984, Hatschbach 47683 (CEPEC, MBM); Alfredo Chaves, 14 Jan 1995, Hatschbach & Silva 61502 (MBM), 16 May 1999, Hatschbach et al. 69101 (MBM); Santa Teresa, 24 Feb 2006, Kollmann et al. 8677 (MBML, SPF); Castelo, Kollmann et al. 11515 (MBML); Alfredo Chaves, 8 May 1985, Martinelli et al. 10900 (RB, SPF); Alegre, 22 Feb 2000, Souza et al. 23725 (ESA). Goiás: Pirenópolis, 15 Mar 2002, Fonseca et al. 3249 (IBGE, SP); Nerópolis, 30 Mar 2005, Fonseca et al. 5742 (SPF); Goiânia, 17 Dec 1975, Guimarães et al. 327 (RB, SPF); Serra dos Pirineus, 23 Jan 1968, Irwin et al. 19052 (NY, RB); São João da Aliança, 15 Mar 1971, Irwin et al. 31838 (MBM); Estrada Goiânia-Trindade, 28 Feb 1978, Magnago 6 (RB); Mossâmedes, 2 July 1930, Ule 437 (R);. Minas Gerais: Alto Caparaó, 15 Feb 2000, Souza et al. 23138 (ESA). Rio de Janeiro: Itatiaia, 2 July 1930, Brade 10290 (R); Rio de Janeiro, Gericinó, 24 May 1931, Brade et al. 10853 (R), Pedra da Gávea, s.d., Frazão 2634 (RB), Serra da Mendanha, 18 Oct 1935, Horta & Brade 14966 (RB). São Paulo: Eldorado, Mar 2005, Braidotti et al. 107 (ESA, SPF); Pindamonhangaba, 30 Mar 1994, Cordeiro et al. 1320 (SP); Eldorado, 18 May 1994, Cordeiro & Barros 1415 (SP, SPF), 9 Feb 1995, Leitão-Filho et al. 32978 (SP, SPF, UEC); Cruzeiro, 5 Apr 1995, Moreira & Koch 26 (UEC); Pindamonhangaba, 9 Apr 1994, Nicolau et al. 850 (SPF).

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Fiaschi, P. Three new species and a revised key to species of Oxalis section Polymorphae (Oxalidaceae). Brittonia 66, 134–150 (2014). https://doi.org/10.1007/s12228-013-9315-z

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