Morphoanatomy of the leaflets of the Hymenaea clade (Fabaceae: Detarioideae) reveals their potential for taxonomic and phylogenetic studies

Autor(es)

Pinto, Rafael B. ^{[1, 2]} ; Lusa, Makeli G. ^{[2, 3]} ; Mansano, Vidal de F. ^[4] ; de Azevedo Tozzi, Ana Maria G. ^[2] ; Sampaio Mayer, Juliana Lischka ^[2]

Afiliação do(s) autor(es)

^[1] Univ Fed Goias, Inst Ciencias Biol, Programa Posgrad Biodiversidade Vegetal, Dept Bot, Campus Samambaia, BR-74690900 Goiania, Go - Brazil

^[2] Univ Estadual Campinas, Programa Posgrad Biol Vegetal, Dept Biol Vegetal, Inst Biol, Rua Monteiro Lobato 255, Cidade Univ Zeferino Vaz, BR-13083862 Campinas, SP - Brazil

^[3] Univ Fed Santa Catarina, Dept Bot, Campus Univ Prof Joao David Ferreira Lima, BR-88040900 Florianopolis, SC - Brazil

^[4] Inst Pesquisa Jardim Bot Rio de Janeiro, DIPEQ, Rua Pacheco Leao 915, BR-22460030 Rio De Janeiro, RJ - Brazil

• Tipo de documento: Artigo Científico
• Fonte: Botanical Journal of the Linnean Society; v. 187, n. 1, p. 87-98, MAY 2018.
• Citações Web of Science: 2

Resumo

The Hymenaea clade is part of the resin-producing clade of Fabaceae subfamily Detarioideae and is composed of three genera distributed mainly in tropical regions of Africa and South America. Anatomical characteristics of the leaflets are known for just a few representatives of this clade. This study aimed to improve this knowledge with morphoanatomical and histochemical characterizations of several species of Guibourtia, Hymenaea and Peltogyne. Our results support previous findings related to the presence of glandular cavities in Hymenaea and also add new evidence of the presence of these cavities in Guibourtia and Peltogyne. Absence of cavities was verified for H. velutina and P. catingae. Morphoanatomical characterization of the internerval region and histochemical analyses of the epidermis proved useful in delimiting species in the three genera. The position of the cavities in the leaflet lamina was also relevant in differentiating the three genera of this clade from other representatives of the subfamily. Our results contribute to the process of searching for features with phylogenetic signals and will be included in further phylogenetic analyses. (AU)

• Processo FAPESP: 10/52488-9 - Repatriamento das informações das coleções botânicas depositadas nos herbários K e P de representantes do clado Miletioide sens. lat (Leguminosae, Papilonoideae) ocorrentes
• Beneficiário: Ana Maria Goulart de Azevedo Tozzi
• Modalidade de apoio: Auxílio à Pesquisa - Programa BIOTA - Regular