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Leaf anatomy of seven endemic species of Glicophyllum (Malpighiaceae) in Brazil

Lima, Catarina S ; Lima, Juliano DA Silva ; Santos-Filho, Francisco S ; Araújo, Josiane S

Anais da Academia Brasileira de Ciências, 2024-01, Vol.96 (2), p.e20230207-e20230207 [Periódico revisado por pares]

Brazil: Academia Brasileira de Ciências

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  • Título:
    Leaf anatomy of seven endemic species of Glicophyllum (Malpighiaceae) in Brazil
  • Autor: Lima, Catarina S ; Lima, Juliano DA Silva ; Santos-Filho, Francisco S ; Araújo, Josiane S
  • Assuntos: anatomical description ; Brazil ; leaf glands ; Malpighiaceae - anatomy & histology ; Malpighiaceae - classification ; MULTIDISCIPLINARY SCIENCES ; Plant Leaves - anatomy & histology ; Species Specificity ; taxonomy ; Tetrapteroids
  • É parte de: Anais da Academia Brasileira de Ciências, 2024-01, Vol.96 (2), p.e20230207-e20230207
  • Notas: ObjectType-Article-1
    SourceType-Scholarly Journals-1
    ObjectType-Feature-2
    content type line 23
  • Descrição: Glicophyllum is well supported, presenting four homoplasies, easily differentiated from the other genera of the clade due to characteristics related to the reproductive organs, which can make the identification of their species difficult when they are not in the reproductive phase. Therefore, there are provided the leaf anatomical and morphological description of the leaf glands of seven species of Glicophyllum to assist in the identification of their species. The samples for the study were obtained from several national and international herbaria, sectioned freehand, stained with basic fuchsin - astra blue and compared through a binary matrix using the Sorensen's coefficient in the MVSP software. Among the leaf anatomical characters found, the following stand out: presence/absence of trichomes; petiole contour; contour of the main vein; organization of the mesophyll, presence/absence of bundle sheath extension and the surface of the glands. In this study, an identification key with leaf anatomical data is presented for the first time, demonstrating the applicability of leaf anatomy for the taxonomy of Glicophyllum. In the multivariate analysis, it is observed that the characteristics of leaf venation and topology of the glands are more representative to differentiate the taxa. Therefore, the data obtained can support future taxonomic and phylogenetic studies of the genus.
  • Editor: Brazil: Academia Brasileira de Ciências
  • Idioma: Inglês;Português
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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