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<p>Bolivia is home to about 15,500 plant species, including around 2,400 endemics. The Leguminosae is the third most speciose family in the country, with about 1,200 species of which c. 100 are endemic. As part of our ongoing revision of the genus <i>Macropsychanthus</i>, we here describe <i>M. elegans</i>, which is characterised by its canescent, sericeous leaflets, keel petals with a straight beak and oblong pods. This new species is found in just four locations in Bolivia, in the transition zone between the Andes and the Amazon. We also revised the recorded species of <i>Macropsychanthus</i> in Bolivia, which have binomials in the genus <i>Dioclea</i>, thereby excluding nine of the previously recorded 14 species. As a result, Bolivia hosts six species, of which two are endemic. This study enhances our understating of <i>Macropsychanthus</i> taxonomy and distribution, particularly in the Amazonian, Andean and Cerrado regions.</p>

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How many Macropsychanthus (Leguminosae: Papilionoideae) species are found in Bolivia? Clarification of the taxa, a new species and an identification key

  • 期刊论文

  • 发表日期：

    2025年4月23日

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  • Andrés Fonseca-Cortés,
  • Cristiane Snak,
  • Stephan G. Beck,
  • Ruth P. Clark,
  • Bente Klitgaard,
  • Rosember Hurtado Ulloa,
  • Leslie Cayola Perez,
  • Carla Maldonado,
  • Luciano Paganucci de Queiroz

摘要

Bolivia is home to about 15,500 plant species, including around 2,400 endemics. The Leguminosae is the third most speciose family in the country, with about 1,200 species of which c. 100 are endemic. As part of our ongoing revision of the genus Macropsychanthus, we here describe M. elegans, which is characterised by its canescent, sericeous leaflets, keel petals with a straight beak and oblong pods. This new species is found in just four locations in Bolivia, in the transition zone between the Andes and the Amazon. We also revised the recorded species of Macropsychanthus in Bolivia, which have binomials in the genus Dioclea, thereby excluding nine of the previously recorded 14 species. As a result, Bolivia hosts six species, of which two are endemic. This study enhances our understating of Macropsychanthus taxonomy and distribution, particularly in the Amazonian, Andean and Cerrado regions.