Inflorescence and floral development of Dahlstedtia species (Leguminosae: Papilionoideae: Millettieae)
Autor(a) principal: | |
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Data de Publicação: | 2009 |
Outros Autores: | , |
Tipo de documento: | Artigo de conferência |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.1016/j.flora.2008.10.006 http://hdl.handle.net/11449/22448 |
Resumo: | Inflorescence and floral development of two tropical legume trees, Dahlstedtia pinnata and Dahlstedlia pentaphylla, occurring in the Atlantic Forest of south-eastern and southern Brazil, were investigated and compared with other papilionoids. Few studies have been made of floral development in tribe Millettieae, and this paper is intended to fill that gap in our knowledge. Dahlstedtia species have an unusual inflorescence type among legumes, the pseudoraceme, which comprises axillary units of three or more flowers, each with a subtending bract. Each flower exhibits a pair of opposite bractcoles. The order of flower initiation is acropetal; inception of the floral organs is as follows: sepals (5), petals (5), carpel (1) plus outer stamens (5) and finally inner stamens (5). Organ initiation in sepal, petal and inner stamen whorls is unidirectional; the carpel cleft is adaxial. The vexillum originates from a tubular-shaped primordium in mid-development and is larger than other petals at maturity, covering the keels. The filament tube develops later after initiation of inner-stamen primordia. Floral development in Dahlstedtia is almost always similar to other papilionoids, especially species of Phaseoleae and Sophoreae. But one important difference is the precocious ovule initiation (open carpel with ovules) in Dahlstedtia, the third citation of this phenomenon for papilionoids. No suppression, organ loss or anomalies occur in the order of primordia initiation or structure. Infra-generic differences in the first stages of ontogeny are rare; however, different species of Dahlstedtia are distinguished by the differing distribution pattern of secretory cavities in the flower. (C) 2009 Elsevier GmbH. All rights reserved. |
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Inflorescence and floral development of Dahlstedtia species (Leguminosae: Papilionoideae: Millettieae)Dahlstedtia pinnataDahistedtia pentaphyllaKeel flowerLeguminosaeMillettieaePseudoracemeSecretory cavitiesInflorescence and floral development of two tropical legume trees, Dahlstedtia pinnata and Dahlstedlia pentaphylla, occurring in the Atlantic Forest of south-eastern and southern Brazil, were investigated and compared with other papilionoids. Few studies have been made of floral development in tribe Millettieae, and this paper is intended to fill that gap in our knowledge. Dahlstedtia species have an unusual inflorescence type among legumes, the pseudoraceme, which comprises axillary units of three or more flowers, each with a subtending bract. Each flower exhibits a pair of opposite bractcoles. The order of flower initiation is acropetal; inception of the floral organs is as follows: sepals (5), petals (5), carpel (1) plus outer stamens (5) and finally inner stamens (5). Organ initiation in sepal, petal and inner stamen whorls is unidirectional; the carpel cleft is adaxial. The vexillum originates from a tubular-shaped primordium in mid-development and is larger than other petals at maturity, covering the keels. The filament tube develops later after initiation of inner-stamen primordia. Floral development in Dahlstedtia is almost always similar to other papilionoids, especially species of Phaseoleae and Sophoreae. But one important difference is the precocious ovule initiation (open carpel with ovules) in Dahlstedtia, the third citation of this phenomenon for papilionoids. No suppression, organ loss or anomalies occur in the order of primordia initiation or structure. Infra-generic differences in the first stages of ontogeny are rare; however, different species of Dahlstedtia are distinguished by the differing distribution pattern of secretory cavities in the flower. (C) 2009 Elsevier GmbH. All rights reserved.Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)Univ São Paulo, Fac Ciencias Farmaceut Ribeirao Preto, Dept Ciencias Farmaceut, BR-14040903 Ribeirao Preto, SP, BrazilUniv Estadual Paulista, Dept Bot & Zool, BR-15054000 Sao Jose do Rio Preto, SP, BrazilUniv Calif Santa Barbara, Dept Ecol Evolut & Marine Biol, Santa Barbara, CA 93106 USAUniv Estadual Paulista, Dept Bot & Zool, BR-15054000 Sao Jose do Rio Preto, SP, BrazilFAPESP: 97/11242-0Elsevier Gmbh, Urban & Fischer VerlagUniversidade de São Paulo (USP)Universidade Estadual Paulista (Unesp)Univ Calif Santa BarbaraTeixeira, Simone de PaduaRanga, Neusa Taroda [UNESP]Tucker, Shirley C.2014-05-20T14:03:49Z2014-05-20T14:03:49Z2009-01-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/conferenceObject769-781http://dx.doi.org/10.1016/j.flora.2008.10.006Flora. Jena: Elsevier Gmbh, Urban & Fischer Verlag, v. 204, n. 10, p. 769-781, 2009.0367-2530http://hdl.handle.net/11449/2244810.1016/j.flora.2008.10.006WOS:000273490100008Web of Sciencereponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengFlora1.3650,570info:eu-repo/semantics/openAccess2021-10-23T21:41:42Zoai:repositorio.unesp.br:11449/22448Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-05T19:22:33.101899Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Inflorescence and floral development of Dahlstedtia species (Leguminosae: Papilionoideae: Millettieae) |
title |
Inflorescence and floral development of Dahlstedtia species (Leguminosae: Papilionoideae: Millettieae) |
spellingShingle |
Inflorescence and floral development of Dahlstedtia species (Leguminosae: Papilionoideae: Millettieae) Teixeira, Simone de Padua Dahlstedtia pinnata Dahistedtia pentaphylla Keel flower Leguminosae Millettieae Pseudoraceme Secretory cavities |
title_short |
Inflorescence and floral development of Dahlstedtia species (Leguminosae: Papilionoideae: Millettieae) |
title_full |
Inflorescence and floral development of Dahlstedtia species (Leguminosae: Papilionoideae: Millettieae) |
title_fullStr |
Inflorescence and floral development of Dahlstedtia species (Leguminosae: Papilionoideae: Millettieae) |
title_full_unstemmed |
Inflorescence and floral development of Dahlstedtia species (Leguminosae: Papilionoideae: Millettieae) |
title_sort |
Inflorescence and floral development of Dahlstedtia species (Leguminosae: Papilionoideae: Millettieae) |
author |
Teixeira, Simone de Padua |
author_facet |
Teixeira, Simone de Padua Ranga, Neusa Taroda [UNESP] Tucker, Shirley C. |
author_role |
author |
author2 |
Ranga, Neusa Taroda [UNESP] Tucker, Shirley C. |
author2_role |
author author |
dc.contributor.none.fl_str_mv |
Universidade de São Paulo (USP) Universidade Estadual Paulista (Unesp) Univ Calif Santa Barbara |
dc.contributor.author.fl_str_mv |
Teixeira, Simone de Padua Ranga, Neusa Taroda [UNESP] Tucker, Shirley C. |
dc.subject.por.fl_str_mv |
Dahlstedtia pinnata Dahistedtia pentaphylla Keel flower Leguminosae Millettieae Pseudoraceme Secretory cavities |
topic |
Dahlstedtia pinnata Dahistedtia pentaphylla Keel flower Leguminosae Millettieae Pseudoraceme Secretory cavities |
description |
Inflorescence and floral development of two tropical legume trees, Dahlstedtia pinnata and Dahlstedlia pentaphylla, occurring in the Atlantic Forest of south-eastern and southern Brazil, were investigated and compared with other papilionoids. Few studies have been made of floral development in tribe Millettieae, and this paper is intended to fill that gap in our knowledge. Dahlstedtia species have an unusual inflorescence type among legumes, the pseudoraceme, which comprises axillary units of three or more flowers, each with a subtending bract. Each flower exhibits a pair of opposite bractcoles. The order of flower initiation is acropetal; inception of the floral organs is as follows: sepals (5), petals (5), carpel (1) plus outer stamens (5) and finally inner stamens (5). Organ initiation in sepal, petal and inner stamen whorls is unidirectional; the carpel cleft is adaxial. The vexillum originates from a tubular-shaped primordium in mid-development and is larger than other petals at maturity, covering the keels. The filament tube develops later after initiation of inner-stamen primordia. Floral development in Dahlstedtia is almost always similar to other papilionoids, especially species of Phaseoleae and Sophoreae. But one important difference is the precocious ovule initiation (open carpel with ovules) in Dahlstedtia, the third citation of this phenomenon for papilionoids. No suppression, organ loss or anomalies occur in the order of primordia initiation or structure. Infra-generic differences in the first stages of ontogeny are rare; however, different species of Dahlstedtia are distinguished by the differing distribution pattern of secretory cavities in the flower. (C) 2009 Elsevier GmbH. All rights reserved. |
publishDate |
2009 |
dc.date.none.fl_str_mv |
2009-01-01 2014-05-20T14:03:49Z 2014-05-20T14:03:49Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/conferenceObject |
format |
conferenceObject |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://dx.doi.org/10.1016/j.flora.2008.10.006 Flora. Jena: Elsevier Gmbh, Urban & Fischer Verlag, v. 204, n. 10, p. 769-781, 2009. 0367-2530 http://hdl.handle.net/11449/22448 10.1016/j.flora.2008.10.006 WOS:000273490100008 |
url |
http://dx.doi.org/10.1016/j.flora.2008.10.006 http://hdl.handle.net/11449/22448 |
identifier_str_mv |
Flora. Jena: Elsevier Gmbh, Urban & Fischer Verlag, v. 204, n. 10, p. 769-781, 2009. 0367-2530 10.1016/j.flora.2008.10.006 WOS:000273490100008 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Flora 1.365 0,570 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
769-781 |
dc.publisher.none.fl_str_mv |
Elsevier Gmbh, Urban & Fischer Verlag |
publisher.none.fl_str_mv |
Elsevier Gmbh, Urban & Fischer Verlag |
dc.source.none.fl_str_mv |
Web of Science 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 |
|
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1808129060209950720 |