Floral organogenesis and vasculature in Mayacaceae, an enigmatic family of Poales
Autor(a) principal: | |
---|---|
Data de Publicação: | 2019 |
Outros Autores: | |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.1007/s00606-019-01592-4 http://hdl.handle.net/11449/187815 |
Resumo: | Mayacaceae are a small and monogeneric aquatic family including 4–6 species and with an unstable phylogenetic position within Poales. Therefore, the floral development and vasculature were studied in Mayaca fluviatilis and Mayaca sellowiana to better understand interfamilial relationships. In both species, the floral vascular system is organized in six central complexes from which the traces of all floral parts diverge. Both sepals and petals receive three traces, but in the sepals the median and lateral traces do not originate from the same vascular complex, whereas in the petals the median and lateral traces originate from the same complex. Both, ventral and dorsal carpellary traces, vascularize the ovary wall, ascending to the stigma. The sepals are the first organs to be initiated and have a rapid growth. Such structures exhibit glandular trichomes on their margins and remain united, protecting the inner whorls. After sepal development, the petals and the stamens of the outer whorl are initiated, followed by the gynoecium, which appears as an annular primordium. The petals have a markedly delay in development. In M. fluviatilis, the anthers may dehisce before anthesis and self-pollination occurs in the bud. The reduction (loss) of the inner stamen whorl and gynoecium development from an annular primordium link Mayacaceae to the cyperids (Poales). A high similarity in respect to floral vasculature was observed between Mayacaceae and Commelinaceae (Commelinales). |
id |
UNSP_50f4aad5cfb1fe86f67b37e896ce38a7 |
---|---|
oai_identifier_str |
oai:repositorio.unesp.br:11449/187815 |
network_acronym_str |
UNSP |
network_name_str |
Repositório Institucional da UNESP |
repository_id_str |
2946 |
spelling |
Floral organogenesis and vasculature in Mayacaceae, an enigmatic family of PoalesCyperidsFloral anatomyGynoeciumMayacaOntogenyXyridsMayacaceae are a small and monogeneric aquatic family including 4–6 species and with an unstable phylogenetic position within Poales. Therefore, the floral development and vasculature were studied in Mayaca fluviatilis and Mayaca sellowiana to better understand interfamilial relationships. In both species, the floral vascular system is organized in six central complexes from which the traces of all floral parts diverge. Both sepals and petals receive three traces, but in the sepals the median and lateral traces do not originate from the same vascular complex, whereas in the petals the median and lateral traces originate from the same complex. Both, ventral and dorsal carpellary traces, vascularize the ovary wall, ascending to the stigma. The sepals are the first organs to be initiated and have a rapid growth. Such structures exhibit glandular trichomes on their margins and remain united, protecting the inner whorls. After sepal development, the petals and the stamens of the outer whorl are initiated, followed by the gynoecium, which appears as an annular primordium. The petals have a markedly delay in development. In M. fluviatilis, the anthers may dehisce before anthesis and self-pollination occurs in the bud. The reduction (loss) of the inner stamen whorl and gynoecium development from an annular primordium link Mayacaceae to the cyperids (Poales). A high similarity in respect to floral vasculature was observed between Mayacaceae and Commelinaceae (Commelinales).Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)Programa de Pós-Graduação em Ciências Biológicas (Biologia Vegetal) Departamento de Botânica Instituto de Biociências UNESP - Universidade Estadual Paulista, C. Postal 199Programa de Pós-Graduação em Ciências Biológicas (Biologia Vegetal) Departamento de Botânica Instituto de Biociências UNESP - Universidade Estadual Paulista, C. Postal 199CNPq: 168277/2014-0CNPq: 301692/2010-6Universidade Estadual Paulista (Unesp)Oriani, Aline [UNESP]Scatena, Vera L. [UNESP]2019-10-06T15:48:06Z2019-10-06T15:48:06Z2019-08-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article549-562http://dx.doi.org/10.1007/s00606-019-01592-4Plant Systematics and Evolution, v. 305, n. 7, p. 549-562, 2019.1615-61100378-2697http://hdl.handle.net/11449/18781510.1007/s00606-019-01592-42-s2.0-85068088457Scopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengPlant Systematics and Evolutioninfo:eu-repo/semantics/openAccess2021-10-23T02:05:50Zoai:repositorio.unesp.br:11449/187815Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462021-10-23T02:05:50Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Floral organogenesis and vasculature in Mayacaceae, an enigmatic family of Poales |
title |
Floral organogenesis and vasculature in Mayacaceae, an enigmatic family of Poales |
spellingShingle |
Floral organogenesis and vasculature in Mayacaceae, an enigmatic family of Poales Oriani, Aline [UNESP] Cyperids Floral anatomy Gynoecium Mayaca Ontogeny Xyrids |
title_short |
Floral organogenesis and vasculature in Mayacaceae, an enigmatic family of Poales |
title_full |
Floral organogenesis and vasculature in Mayacaceae, an enigmatic family of Poales |
title_fullStr |
Floral organogenesis and vasculature in Mayacaceae, an enigmatic family of Poales |
title_full_unstemmed |
Floral organogenesis and vasculature in Mayacaceae, an enigmatic family of Poales |
title_sort |
Floral organogenesis and vasculature in Mayacaceae, an enigmatic family of Poales |
author |
Oriani, Aline [UNESP] |
author_facet |
Oriani, Aline [UNESP] Scatena, Vera L. [UNESP] |
author_role |
author |
author2 |
Scatena, Vera L. [UNESP] |
author2_role |
author |
dc.contributor.none.fl_str_mv |
Universidade Estadual Paulista (Unesp) |
dc.contributor.author.fl_str_mv |
Oriani, Aline [UNESP] Scatena, Vera L. [UNESP] |
dc.subject.por.fl_str_mv |
Cyperids Floral anatomy Gynoecium Mayaca Ontogeny Xyrids |
topic |
Cyperids Floral anatomy Gynoecium Mayaca Ontogeny Xyrids |
description |
Mayacaceae are a small and monogeneric aquatic family including 4–6 species and with an unstable phylogenetic position within Poales. Therefore, the floral development and vasculature were studied in Mayaca fluviatilis and Mayaca sellowiana to better understand interfamilial relationships. In both species, the floral vascular system is organized in six central complexes from which the traces of all floral parts diverge. Both sepals and petals receive three traces, but in the sepals the median and lateral traces do not originate from the same vascular complex, whereas in the petals the median and lateral traces originate from the same complex. Both, ventral and dorsal carpellary traces, vascularize the ovary wall, ascending to the stigma. The sepals are the first organs to be initiated and have a rapid growth. Such structures exhibit glandular trichomes on their margins and remain united, protecting the inner whorls. After sepal development, the petals and the stamens of the outer whorl are initiated, followed by the gynoecium, which appears as an annular primordium. The petals have a markedly delay in development. In M. fluviatilis, the anthers may dehisce before anthesis and self-pollination occurs in the bud. The reduction (loss) of the inner stamen whorl and gynoecium development from an annular primordium link Mayacaceae to the cyperids (Poales). A high similarity in respect to floral vasculature was observed between Mayacaceae and Commelinaceae (Commelinales). |
publishDate |
2019 |
dc.date.none.fl_str_mv |
2019-10-06T15:48:06Z 2019-10-06T15:48:06Z 2019-08-01 |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://dx.doi.org/10.1007/s00606-019-01592-4 Plant Systematics and Evolution, v. 305, n. 7, p. 549-562, 2019. 1615-6110 0378-2697 http://hdl.handle.net/11449/187815 10.1007/s00606-019-01592-4 2-s2.0-85068088457 |
url |
http://dx.doi.org/10.1007/s00606-019-01592-4 http://hdl.handle.net/11449/187815 |
identifier_str_mv |
Plant Systematics and Evolution, v. 305, n. 7, p. 549-562, 2019. 1615-6110 0378-2697 10.1007/s00606-019-01592-4 2-s2.0-85068088457 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Plant Systematics and Evolution |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
549-562 |
dc.source.none.fl_str_mv |
Scopus reponame:Repositório Institucional da UNESP instname:Universidade Estadual Paulista (UNESP) instacron:UNESP |
instname_str |
Universidade Estadual Paulista (UNESP) |
instacron_str |
UNESP |
institution |
UNESP |
reponame_str |
Repositório Institucional da UNESP |
collection |
Repositório Institucional da UNESP |
repository.name.fl_str_mv |
Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP) |
repository.mail.fl_str_mv |
|
_version_ |
1803649888346439680 |