Occurrence, structure and functional aspects of the colleters of Copaifera langsdorffii Desf. (Fabaceae, Caesalpinioideae)

Paiva, Élder Antônio Sousa

doi:10.1016/j.crvi.2009.08.003

Cited by 62 publications

(46 citation statements)

References 26 publications

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“…This change in color may be the result of the oxidation of phenolic compounds accumulated within the cells, which is followed by the shrinking of the cytoplasm of the apical cells of colleters (Souza 2014). Similar descriptions were reported for colleters from a variety of botanical families (Thomas 1991;Paiva 2009;Souza 2014).…”

Section: Discussionsupporting

confidence: 50%

“…Caliciopsis (Leguminosae-Caesalpinioideae): anatomy and taxonomic implications may indicate that they play an important functional role in keeping young structures hydrated (Fahn & Cutler 1992). Lipids have been detected in the colleter secretion of species belong Apocynaceae (Appezzato-da-Glória & Estelita 2000), Leguminosae (Paiva 2009), Gentianaceae (Dalvi et al 2013), Orchidaceae (Mayer et al 2011) and Rubiaceae (Machado et al 2012;Tullii et al 2013). As claimed for polysaccharides, lipid compounds may help avoid water loss, in addition to prohibiting fungal and microorganism attack, since this hydrophobic substance lubricates the surface of young leaves and floral buds, (Fahn 1979;Thomas & Dave 1989;Thomas 1991;Evert 2006;Paiva 2009;Mayer et al 2013).…”

Section: Discussionmentioning

confidence: 99%

“…Chamaecrista and Caliciopsis studied, non-vascularized colleters have bee previously reported for other species of Chamaecrista belonging to other sections (De-Paula & Oliveira 2007;Coutinho et al 2013;, other species of Caesalpinioideae (Paiva & Machado 2006b;Paiva 2009;Souza 2014), and even species of other families (Paiva & Machado 2006a;Paiva 2009;Vitarelli & Santos 2009;Silva et al 2012;Dalvi et al 2013). Anatomically, the colleters described for the species of sect.…”

Section: Discussionmentioning

confidence: 99%

“…Lipids have been detected in the colleter secretion of species belong Apocynaceae (Appezzato-da-Glória & Estelita 2000), Leguminosae (Paiva 2009), Gentianaceae (Dalvi et al 2013), Orchidaceae (Mayer et al 2011) and Rubiaceae (Machado et al 2012;Tullii et al 2013). As claimed for polysaccharides, lipid compounds may help avoid water loss, in addition to prohibiting fungal and microorganism attack, since this hydrophobic substance lubricates the surface of young leaves and floral buds, (Fahn 1979;Thomas & Dave 1989;Thomas 1991;Evert 2006;Paiva 2009;Mayer et al 2013). Proteins have also been reported as a component of the secretion produced by colleters from a variety of different species (Thomas & Dave 1990;Klein et al 2004;Miguel et al 2006;González & Tarragó 2009;Mayer et al 2011;Dalvi et al 2013).…”

Section: Discussionmentioning

confidence: 99%

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Colleters in Chamaecrista (L.) Moench sect. Chamaecrista and sect. Caliciopsis (Leguminosae-Caesalpinioideae): anatomy and taxonomic implications

et al. 2017

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Th e genus Chamaecrista contains ca. 330 species organized into six sections, of which section Chamaecrista is the second largest (ca.75 species) distributed among six series, while the section Caliciopsis contains only two species. Colleters have been described in the genus Chamaecrista and they show potential taxonomic and phylogenetic signifi cance. Th ey are associated with lubrication, desiccation prevention and protection from microbial attacks of young developing organs. Although six types of colleters have been described for the genus Chamaecrista, there have been no studies focusing on the diversity of colleters in the sections Chamaecrista and Caliciopsis. Samples from developing leaves and fl owers of both sections were obtained from herbarium and fi eld collections and subjected to standard methodologies for both light and scanning electron microscopy. Histochemical tests were also performed to determine the nature of the exudates. Five types of non-vascularized colleters were found: short digitiform, long digitiform, club-shaped, pyriform and short bottle-shaped. Polysaccharides, pectins, lipids and proteins were detected in the exudates of all types of colleters. Among the fi ve types of colleters observed, pyriform is a novelty for Chamaecrista, reinforcing the signifi cant morphological diversity of these secretory structures in this genus.

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Section: Discussionsupporting

confidence: 50%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

See 2 more Smart Citations

Colleters in Chamaecrista (L.) Moench sect. Chamaecrista and sect. Caliciopsis (Leguminosae-Caesalpinioideae): anatomy and taxonomic implications

et al. 2017

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“…The traditional description of the colleter only includes non-vascularized structures derived from the protoderm and from the fundamental meristem secreting water-insoluble mucilage or resin substances (Thomas 1991) that act by protecting against desiccation and by lubricating young tissues (Thomas 1991;Paiva 2009). This concept has been currently expanded to secretory structures originating only from the protoderm such as the trichomes, but with the location and production of substances that also act on the lubrication of developing organs (see Payne 1978;Fahn 1979;Thomas 1991;Renobales et al 2001;Leitão & Cortelazzo 2008).…”

Section: Discussionmentioning

confidence: 99%

Beyond pollination: diversity of secretory structures during flower development in different legume lineages

et al. 2017

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Floral secretory structures are usually associated with the attraction of pollinators, but may also play an important role in the mechanisms of plant protection. Th is study aimed to show the diversity of secretory structures present in the developing fl owers of 15 legume species belonging to diff erent clades and to associate them with functions other than the pollinator attraction. Buds, fl owers and developing axis of infl orescence were processed for surface, histological, and ultrastructural analyses. Th e species investigated displayed a wide diversity of secretory structures in developing fl owers such as phenolic cells and/or tissues, mucilaginous cells, secretory cavities, secretory trichomes and colleters. Each type of secretory structure exhibited variation in morphology and location in the fl ower and/or axis of infl orescence depending on the species. Special mucilage cells, secretory cavities, secretory trichomes and colleters have great potential for comparative morphological studies due to their diversity of forms or restricted occurrence to certain taxa, contributing to a more robust morphological data base for the new clades emerging in Leguminosae. Th e scarcity of reports about fl oral secretory structures of Leguminosae seems to be more related to defi cient sampling than to the absence of such structures in the group, which highlights the need for further investigation.

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The Bowdichia clade of Genistoid legumes: Phylogenetic analysis of combined molecular and morphological data and a recircumscription of Diplotropis

Cardoso

Lima

Rodrigues

et al. 2012

TAXON

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The Neotropical Bowdichia clade (Leguminosae: Papilionoideae) comprises four genera, Bowdichia, Diplotropis, Guianodendron, and Leptolobium, which are sister to the core Genistoid clade. Bowdichia and Diplotropis at one time were treated as a single genus, whereas Guianodendron and Leptolobium have been synonymized with the distantly related Dalbergioid genus Acosmium because of shared radial floral symmetry. We combined and analysed morphological and molecular data including the nuclear ribosomal internal transcribed spacers (ITS; including ITS1/5.8S/ITS2) and two chloroplast DNA (matK, trnL intron) regions in order to evaluate the monophyly of each genus and the Bowdichia clade. A combined parsimony analysis strongly supported the monophyly of Bowdichia, the paraphyly of Diplotropis, and the independent evolution of radial floral symmetry in Guianodendron and Leptolobium. Leptolobium is sister to Bowdichia and Guianodendron is nested within Diplotropis s.l. Diplotropis is here recircumscribed as to encompass the monophyletic Diplotropis sect. Diplotropis and it is suggested that D. sect. Racemosae deserves segregation into a new genus. Radial floral symmetry has been overemphasised in previous classifications by taxonomists who did not recognize its evolutionary lability. This has resulted in nonmonophyletic circumscriptions of genera such as Acosmium.

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Occurrence, structure and functional aspects of the colleters of Copaifera langsdorffii Desf. (Fabaceae, Caesalpinioideae)

Cited by 62 publications

References 26 publications

Colleters in Chamaecrista (L.) Moench sect. Chamaecrista and sect. Caliciopsis (Leguminosae-Caesalpinioideae): anatomy and taxonomic implications

Colleters in Chamaecrista (L.) Moench sect. Chamaecrista and sect. Caliciopsis (Leguminosae-Caesalpinioideae): anatomy and taxonomic implications

Beyond pollination: diversity of secretory structures during flower development in different legume lineages

The Bowdichia clade of Genistoid legumes: Phylogenetic analysis of combined molecular and morphological data and a recircumscription of Diplotropis

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