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  <titleInfo>
    <title>Taxonomic study of Oxalis section Thamnoxys (Oxalidaceae) in Brazil</title>
  </titleInfo>
  <name type="personal">
    <namePart>Abreu, Maria Carolina de</namePart>
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  <name type="personal">
    <namePart>Oliveira, Ykaro Richard</namePart>
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  <name type="personal">
    <namePart>Santos, Juliana Silva dos</namePart>
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  <name type="personal">
    <namePart>Carvalho, Reginaldo</namePart>
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    </role>
  </name>
  <name type="personal">
    <namePart>Silva, Marcos José da</namePart>
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      <roleTerm authority="marcrelator" type="text">creator</roleTerm>
    </role>
  </name>
  <name type="personal">
    <namePart>Sales, Margareth Ferreira de</namePart>
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  <abstract>

Abstract

Oxalis comprises ca. 500 species and has a tropical and subtropical distribution. This genus contains four
subgenera and Oxalis subg. Thamnoxys is the most diverse in Brazil. This subgenus has 9 sections, of which
section Thamnoxys is the most diverse with 28 species. This work is based on a taxonomic study of Oxalis
section Thamnoxys in Brazil and includes descriptions, illustrations, and notes for the recorded species. The
following species were recorded: Oxalis barrelieri, O. cerradoana, O. clausenii, O. cratensis, O. cytisoides, O.
diamantinae, O. divaricata, O. frutescens, O. hedysarifolia, O. hyalotricha, O. jacobinensis, O. mucronulata, 
O. nigrescens, O. pilulifera, O. pyrenea, O. renifolia, O. sellowii, O. sepium, and O. suborbiculata. These
species are mostly distributed in rainforest and seasonal semi-deciduous forest.

Key words: distribution, dry forest, morphology, neotropical flora, South America.




Resumo

Oxalis possui cerca de 500 espécies com distribuição tropical e subtropical. Esse gênero engloba quatro
subgêneros, sendo Oxalis subg. Thamnoxys o mais diverso do Brasil. Esse subgênero possui 9 seções,
sendo Thamnoxys o mais diverso, com 28 espécies. É apresentado aqui o estudo taxonômico de Oxalis sect.
Thamnoxys para o Brasil, incluindo descrições, ilustrações e notas sobre as espécies registradas. As seguintes
espécies foram registradas: Oxalis barrelieri, O. cerradoana, O. clausenii, O. cratensis, O. cytisoides, O.
diamantinae, O. divaricata, O. frutescens, O. hedysarifolia, O. hyalotricha, O. jacobinensis, O. mucronulata, 
O. nigrescens, O. pilulifera, O. pyrenea, O. renifolia, O. sellowii, O. sepium e O. suborbiculata. Essas espécies
estão distribuídas principalmente na floresta tropical e na floresta estacional semidecídua.

Palavras-chave: distribuição, florestas secas, morfologia, Flora neotropical, América do Sul.</abstract>
  <note>Publicação on-line; 14 ref.; 12 illus.; Summaries (En, Pt)</note>
  <subject>
    <topic>FLORESTA</topic>
  </subject>
  <subject>
    <topic>MORFOLOGIA VEGETAL</topic>
  </subject>
  <subject>
    <topic>FLORA</topic>
  </subject>
  <subject>
    <topic>AMÉRICA DO SUL</topic>
  </subject>
  <subject>
    <topic>DISTRIBUIÇÃO GEOGRÁFICA</topic>
  </subject>
  <relatedItem type="host">
    <titleInfo>
      <title>Rodriguésia (Brazil)</title>
    </titleInfo>
    <originInfo>
      <publisher>Rio de Janeiro-RJ Jardim Botanico do Rio de Janeiro 1935</publisher>
    </originInfo>
    <identifier>2025-7320</identifier>
    <identifier type="issn">0370-6583; 2175-7860 on-line</identifier>
    <identifier type="local">BR2025004528</identifier>
    <part>
      <text>v. 75 p. 1-26; (2024)</text>
    </part>
  </relatedItem>
  <identifier type="uri">https://www.scielo.br/j/rod/a/VZGYMxgcwHK6LQdmNMjRhhb/?format=pdf&amp;lang=en</identifier>
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    <url>https://www.scielo.br/j/rod/a/VZGYMxgcwHK6LQdmNMjRhhb/?format=pdf&amp;lang=en</url>
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    <recordCreationDate encoding="marc">251224</recordCreationDate>
    <recordChangeDate encoding="iso8601">20251224162550.0</recordChangeDate>
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