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dc.contributor.CRUESPUniversidade Estadual de Campinaspt_BR
dc.typeArtigo de periódicopt_BR
dc.titleCharacterization of unisexual flower development in the endangered mahogany tree Swietenia macrophylla King. (Meliaceae)pt_BR
dc.contributor.authorGouvea, CFpt_BR
dc.contributor.authorDornelas, MCpt_BR
dc.contributor.authorMartinelli, APpt_BR
unicamp.author.emaildornelas@unicamp.brpt_BR
unicamp.authorGouvea, Cantidio Fernando Dornelas, Marcelo Carnier Martinelli, Adriana Pinheiro Univ Sao Paulo, Ctr Energia Nucl Agr, BR-13400970 Sao Paulo, Brazilpt_BR
unicamp.authorDornelas, Marcelo Carnier Univ Estadual Campinas, Inst Biol, Dept Fisiol vegetal, BR-13083970 Campinas, SP, Brazilpt_BR
dc.subjectdiclinous flowerspt_BR
dc.subjectinflorescence developmentpt_BR
dc.subjectreproductionpt_BR
dc.subjecttropical endangered treept_BR
dc.subject.wosFloral Developmentpt_BR
dc.subject.wosAmazonpt_BR
dc.description.abstractThe selection of candidate plus trees of desirable phenotypes from tropical forest trees and the rapid devastation of the natural environments in which these trees are found have created the need for a more detailed knowledge of the floral and reproductive biology of tropical tree species. In this article, the organogenic processes related to unisexual flower development in tropical mahogany, Swietenia macrophylla, are described. Mahogany inflorescences at different developmental stages were evaluated using scanning electron microscopy or optical microscopy of histological sections. The unisexual flowers of S. macrophylla are usually formed in a thyrse, in which the positions of the female and male flowers are not random. Differences between male and female flowers arise late during development. Both female and male flowers can only be structurally distinguished after stage 9, where ovule primordia development is arrested in male flowers and microspore development is aborted in female flower anthers. After this stage, male and female flowers can be distinguished by the naked eye as a result of differences in the dimensions of the gynoecium. The floral characteristics of S. macrophylla (distribution of male and female flowers within the inflorescence, and the relative number of male to female flowers) have practical implications for conservation strategies of this endangered species. (c) 2008 The Linnean Society of London, Botanical Journal of the Linnean Society, 2008, 156, 529-535.pt
dc.relation.ispartofBotanical Journal Of The Linnean Societypt_BR
dc.relation.ispartofabbreviationBot. J. Linnean Soc.pt_BR
dc.publisher.cityOxfordpt_BR
dc.publisher.countryInglaterrapt_BR
dc.publisherBlackwell Publishingpt_BR
dc.date.issued2008pt_BR
dc.date.monthofcirculationAPRpt_BR
dc.identifier.citationBotanical Journal Of The Linnean Society. Blackwell Publishing, v. 156, n. 4, n. 529, n. 535, 2008.pt_BR
dc.language.isoenpt_BR
dc.description.volume156pt_BR
dc.description.issuenumber4pt_BR
dc.description.firstpage529pt_BR
dc.description.lastpage535pt_BR
dc.rightsfechadopt_BR
dc.sourceWeb of Sciencept_BR
unicamp.cruespUSPpt_BR
dc.identifier.issn0024-4074pt_BR
dc.identifier.wosidWOS:000254639700005pt_BR
dc.identifier.doi10.1111/j.1095-8339.2007.00758.xpt_BR
dc.date.available2014-07-30T16:52:03Z
dc.date.available2015-11-26T16:37:28Z-
dc.date.accessioned2014-07-30T16:52:03Z
dc.date.accessioned2015-11-26T16:37:28Z-
dc.description.provenanceMade available in DSpace on 2014-07-30T16:52:03Z (GMT). No. of bitstreams: 0 Previous issue date: 2008en
dc.description.provenanceMade available in DSpace on 2015-11-26T16:37:28Z (GMT). No. of bitstreams: 2 WOS000254639700005.pdf: 423303 bytes, checksum: 82ccc6c26a7d704f155672ba920f24fe (MD5) WOS000254639700005.pdf.txt: 25204 bytes, checksum: f6f2acff1af3edf982183e7c3a54a90c (MD5) Previous issue date: 2008en
dc.identifier.urihttp://www.repositorio.unicamp.br/jspui/handle/REPOSIP/62919
dc.identifier.urihttp://repositorio.unicamp.br/jspui/handle/REPOSIP/62919-
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