Novel reports of glands in Neotropical species of Indigofera L. (Leguminosae, Papilionoideae)

Marquiafável, Flávia Silva; Ferreira, Maria Dolores Seabra; Teixeira, Simone de Pádua

doi:10.1016/j.flora.2008.01.012

Cited by 30 publications

(20 citation statements)

References 21 publications

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“…& A.Gray) Walp., Fabaceae], for example, the separation of the cells of the trichome head is so small that the lumen can easily be mistaken for an intercellular space (Lersten & Curtis, ). However, in some species of Bauhinia L. s.s. (Fabaceae; Tucker et al ., ) and Indigofera L. (Fabaceae; Marquiafável, Ferreira & Teixeira, ), the separation of the trichome head cells is wide and forms an oval lumen.…”

Section: Introductionmentioning

confidence: 99%

“…In the mega‐diverse Fabaceae, cavitated trichomes have been recorded in eight genera (Acacia, Bauhinia, Caesalpinia, Centrolobium, Cordeauxia, Indigofera, Pomaria and Tylosema) and c . 65 species (Leelavathi & Ramayya, ; Tucker et al ., ; Kumar et al ., ; Lersten & Curtis, , ; Curtis, Lersten & Lewis, ; Marquiafável et al ., ; Matos & Paiva, ; Duarte‐Almeida et al ., ). Among Cercideae, Bauhinia s.s. is distinct, with descriptions of such trichomes in the floral organs of 14 species (Leelavathi & Ramayya, ; Tucker et al ., ) and in leaves of 41 species (Baitello, ; Leelavathi & Ramayya, ; Rezende, Cardoso & Vannucci, ; Lusa & Bona, , Sá et al ., ; Duarte‐Almeida et al ., ).…”

Section: Introductionmentioning

confidence: 99%

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The uncommon cavitated secretory trichomes inBauhinia s.s.(Fabaceae): the same roles in different organs

2015

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Cavitated secretory trichomes are characterized by a short or absent stalk that is connected to a secretory hollow head. They are rare structures in angiosperms; in Fabaceae, they have been recorded in only seven genera, including Bauhinia s.s. Because B. curvula and B. rufa exhibit glands that are responsible for attracting pollinators to flowers, this study aimed to test whether the cavitated secretory trichomes present in the flowers of these species have an attraction function. As leaf trichomes are commonly related to plant defence, comparative analyses of the morphology, ontogeny, ultrastructure and chemical profile of the secretory trichomes present in flowers and leaves were conducted. It was found that cavitated secretory trichomes are similar in their external morphology and development, regardless of the organ or species analysed. However, interspecific differences were found in the secretion process and chemical profile of the exudate. The differences found in the cavitated secretory trichomes between species indicate that they secrete distinct compounds, whereas the similarities found in these structures between vegetative and reproductive organs indicate that the cavitated trichomes have equivalent ecological functions within a species, probably in plant defence during organ development. © 2015 The Linnean Society of London, Botanical Journal of the Linnean Society, 2016, 180, 104–122.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

The uncommon cavitated secretory trichomes inBauhinia s.s.(Fabaceae): the same roles in different organs

2015

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“…These garments described in the subtribe Aeschynomeneae by Polhill and Raven (1978), were reported as useful to delimit the genera of the subtribe Cajaninae, within the Phaseoleae tribe (Lackey, 1978), and to separate other species of Leguminosae, for example of the genus Indigofera L. (Marquiafável et al, 2009).…”

Section: Discussionmentioning

confidence: 99%

Ecological interpretations of the leaf anatomy of amphibious species of Aeschynomene L. (Leguminosae - Papilionoideae)

Leme¹,

Scremin-Dias²

2014

Braz. J. Biol.

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We present the leaf anatomy of seven amphibious species of Aeschynomene L. (Papilionoideae, Leguminosae), interpreting their structures and ecological functions, and also, providing information on which their taxonomy can be based, especially of morphologically similar species. We evaluated Aeschynomene americana, A. ciliata, A. evenia, A. denticulata, A. fluminensis, A. rudis and A. sensitiva. The anatomy corroborates the separation of the series Americanae, Fluminenses, Indicae and Sensitivae, with the shape of the petiole, types of trichomes and quantity of vascular units in the petiole as main characteristics to delimit the species. The petiole shape varies from cylindric in A. americana, A. sensitiva and A. fluminensis, to triangular in A. evenia and quadrangular in A. rudis, A. denticulata and A. ciliata. We observed four types of trichomes: hydathode trichome, long conic trichome, short conic trichome and bulb-based trichome. The hydathode trichome was the most common, except for A. americana and A. fluminensis. Species with higher affinity with water share similar adaptive characteristics, including hydathode trichomes described for the first time for the genus. This article adds unseen descriptions for the genus and on the adaptation factors of the amphibious species.Keywords: macrophytes, Fabaceae, hydathode trichome. Interpretações ecológicas da anatomia foliar de espécies anfíbias deAeschynomene L. (Leguminosae -Papilionoideae) ResumoNeste trabalho é apresentada a anatomia foliar de sete espécies anfíbias de Aeschynomene L., interpretando estruturas e suas funções ecológicas e fornecendo informações que subsidiam sua taxonomia, principalmente de espécies semelhantes morfologicamente. Foram avaliadas Aeschynomene americana, A. ciliata, A. evenia, A. denticulata, A. Palavras-chave: macrófitas, Fabaceae, tricoma-hidatódio.

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“…Studies of this nature are concentrated on nectaries (Bernadello 2007) and osmophores (Mansano & Teixeira 2008;Marinho et al 2014), secretory structures related to pollination, while other types such as secretory trichomes, idioblasts, cavities and ducts have been less explored in this family comprising such a wealth of species. The few examples available include studies of secretory trichomes in the floral parts of Bauhinia (Tucker 1984, Marinho et al 2016 and Chamaecrista dentata (Meira et al 2014), in the perianth of Indigofera (Kumar et al 1986, Marquiafável et al 2009, in the sepals of Dahlstedtia , in the ovary of Glycine (Healy et al 2009), and in the bracteoles of Mimosa (Leelavathi et al 1984); studies of the colleters in the bracts of Holocalyx balansae and Zollernia ilicifolia (Mansano & Teixeira 2008) and Hymenaea stignocarpa (Paiva & Machado 2006); of the secretory idioblasts in the perianth of Caesalpinia echinata (Teixeira & Machado 2007) and in the ovary of Swartzia langsdorffii (Colpas & Oliveira 2002); and studies of the secretory cavities in the perianth of Dahlstedtia (Teixeira & Rocha 2009, in the ovary of Hymenaea stigonocarpa (Paiva & Oliveira 2004), and of the secretory ducts and cavities in the petals and sepals of Pterodon pubescens, Dipteryx alata and Taralea oppositifolia (Leite et al 2014).…”

Section: Introductionmentioning

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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Novel reports of glands in Neotropical species of Indigofera L. (Leguminosae, Papilionoideae)

Cited by 30 publications

References 21 publications

The uncommon cavitated secretory trichomes inBauhinia s.s.(Fabaceae): the same roles in different organs

The uncommon cavitated secretory trichomes inBauhinia s.s.(Fabaceae): the same roles in different organs

Ecological interpretations of the leaf anatomy of amphibious species of Aeschynomene L. (Leguminosae - Papilionoideae)

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

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