Reproductive biology of the dioecious Canary Islands endemic Withania aristata (Solanaceae)

Autores
Anderson, Gregory; Bernardello, Gabriel Luis Mario; Opel, Matthew R.; Santos-Guerra, Arnoldo; Anderson, Mona
Año de publicación
2006
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
We confirmed functional dioecy of Withania aristata via field and greenhouse studies. Male flowers are significantly larger. Female flowers bear stamens with no pollen; males bear 220 000 grains. Stigmata of male flowers senesce in buds. Anatomical observations confirm more ovules in females and an ovarian nectary in both sexes. We detected nectar in female flowers in the
greenhouse but found no nectar in males. Thus, males offer pollen and females nectar. Females bear large numbers of fruits and, infrequently, male plants bear few significantly smaller fruits with few seeds. Outcrosses of females (self crosses impossible without pollen) yielded fruits in young buds, older buds, and open flowers. Self crosses of male flowers succeeded only with very
young buds. Although functionally dioecious, this species manifests self-compatibility; however, no fruits are produced autonomously. Bee species (Lassioglossum, Amegilla, Apis) visit flowers and mature buds. Bud visits in which bees force petal tips apart, coupled with self-compatibility, may explain infrequent fruit on males. Thus, dioecy in W. aristata seems to have evolved from self-compatible ancestors, that leaky dioecy may have been favored during colonization, and, that despite autogamy and a low floral visition rate, this endemic enjoys a high rate of reproductive success.
Fil: Anderson, Gregory. University Of Connecticut; Estados Unidos
Fil: Bernardello, Gabriel Luis Mario. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto Multidisciplinario de Biología Vegetal. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales. Instituto Multidisciplinario de Biología Vegetal; Argentina
Fil: Opel, Matthew R.. University Of Connecticut; Estados Unidos
Fil: Santos-Guerra, Arnoldo. Jardín de Aclimatación de La Orotava; España
Fil: Anderson, Mona. University Of Connecticut; Estados Unidos
Materia
Bees
Canary Islands
Dioecy
Leaky Dioecy
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/32319
Acceder
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network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling Reproductive biology of the dioecious Canary Islands endemic Withania aristata (Solanaceae)Anderson, GregoryBernardello, Gabriel Luis MarioOpel, Matthew R.Santos-Guerra, ArnoldoAnderson, MonaBeesCanary IslandsDioecyLeaky Dioecyhttps://purl.org/becyt/ford/1.6https://purl.org/becyt/ford/1We confirmed functional dioecy of Withania aristata via field and greenhouse studies. Male flowers are significantly larger. Female flowers bear stamens with no pollen; males bear 220 000 grains. Stigmata of male flowers senesce in buds. Anatomical observations confirm more ovules in females and an ovarian nectary in both sexes. We detected nectar in female flowers in the<br />greenhouse but found no nectar in males. Thus, males offer pollen and females nectar. Females bear large numbers of fruits and, infrequently, male plants bear few significantly smaller fruits with few seeds. Outcrosses of females (self crosses impossible without pollen) yielded fruits in young buds, older buds, and open flowers. Self crosses of male flowers succeeded only with very<br />young buds. Although functionally dioecious, this species manifests self-compatibility; however, no fruits are produced autonomously. Bee species (Lassioglossum, Amegilla, Apis) visit flowers and mature buds. Bud visits in which bees force petal tips apart, coupled with self-compatibility, may explain infrequent fruit on males. Thus, dioecy in W. aristata seems to have evolved from self-compatible ancestors, that leaky dioecy may have been favored during colonization, and, that despite autogamy and a low floral visition rate, this endemic enjoys a high rate of reproductive success.Fil: Anderson, Gregory. University Of Connecticut; Estados UnidosFil: Bernardello, Gabriel Luis Mario. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto Multidisciplinario de Biología Vegetal. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales. Instituto Multidisciplinario de Biología Vegetal; ArgentinaFil: Opel, Matthew R.. University Of Connecticut; Estados UnidosFil: Santos-Guerra, Arnoldo. Jardín de Aclimatación de La Orotava; EspañaFil: Anderson, Mona. University Of Connecticut; Estados UnidosBotanical Society of America2006-12info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/32319Anderson, Mona; Santos-Guerra, Arnoldo; Opel, Matthew R.; Bernardello, Gabriel Luis Mario; Anderson, Gregory; Reproductive biology of the dioecious Canary Islands endemic Withania aristata (Solanaceae); Botanical Society of America; American Journal of Botany; 93; 9; 12-2006; 1295-13050002-91221537-2197CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/http://www.amjbot.org/content/93/9/1295.fullinfo:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-03T09:45:18Zoai:ri.conicet.gov.ar:11336/32319instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-03 09:45:18.717CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Reproductive biology of the dioecious Canary Islands endemic Withania aristata (Solanaceae)
title Reproductive biology of the dioecious Canary Islands endemic Withania aristata (Solanaceae)
spellingShingle Reproductive biology of the dioecious Canary Islands endemic Withania aristata (Solanaceae)
Anderson, Gregory
Bees
Canary Islands
Dioecy
Leaky Dioecy
title_short Reproductive biology of the dioecious Canary Islands endemic Withania aristata (Solanaceae)
title_full Reproductive biology of the dioecious Canary Islands endemic Withania aristata (Solanaceae)
title_fullStr Reproductive biology of the dioecious Canary Islands endemic Withania aristata (Solanaceae)
title_full_unstemmed Reproductive biology of the dioecious Canary Islands endemic Withania aristata (Solanaceae)
title_sort Reproductive biology of the dioecious Canary Islands endemic Withania aristata (Solanaceae)
dc.creator.none.fl_str_mv Anderson, Gregory
Bernardello, Gabriel Luis Mario
Opel, Matthew R.
Santos-Guerra, Arnoldo
Anderson, Mona
author Anderson, Gregory
author_facet Anderson, Gregory
Bernardello, Gabriel Luis Mario
Opel, Matthew R.
Santos-Guerra, Arnoldo
Anderson, Mona
author_role author
author2 Bernardello, Gabriel Luis Mario
Opel, Matthew R.
Santos-Guerra, Arnoldo
Anderson, Mona
author2_role author
author
author
author
dc.subject.none.fl_str_mv Bees
Canary Islands
Dioecy
Leaky Dioecy
topic Bees
Canary Islands
Dioecy
Leaky Dioecy
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.6
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv We confirmed functional dioecy of Withania aristata via field and greenhouse studies. Male flowers are significantly larger. Female flowers bear stamens with no pollen; males bear 220 000 grains. Stigmata of male flowers senesce in buds. Anatomical observations confirm more ovules in females and an ovarian nectary in both sexes. We detected nectar in female flowers in the<br />greenhouse but found no nectar in males. Thus, males offer pollen and females nectar. Females bear large numbers of fruits and, infrequently, male plants bear few significantly smaller fruits with few seeds. Outcrosses of females (self crosses impossible without pollen) yielded fruits in young buds, older buds, and open flowers. Self crosses of male flowers succeeded only with very<br />young buds. Although functionally dioecious, this species manifests self-compatibility; however, no fruits are produced autonomously. Bee species (Lassioglossum, Amegilla, Apis) visit flowers and mature buds. Bud visits in which bees force petal tips apart, coupled with self-compatibility, may explain infrequent fruit on males. Thus, dioecy in W. aristata seems to have evolved from self-compatible ancestors, that leaky dioecy may have been favored during colonization, and, that despite autogamy and a low floral visition rate, this endemic enjoys a high rate of reproductive success.
Fil: Anderson, Gregory. University Of Connecticut; Estados Unidos
Fil: Bernardello, Gabriel Luis Mario. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto Multidisciplinario de Biología Vegetal. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales. Instituto Multidisciplinario de Biología Vegetal; Argentina
Fil: Opel, Matthew R.. University Of Connecticut; Estados Unidos
Fil: Santos-Guerra, Arnoldo. Jardín de Aclimatación de La Orotava; España
Fil: Anderson, Mona. University Of Connecticut; Estados Unidos
description We confirmed functional dioecy of Withania aristata via field and greenhouse studies. Male flowers are significantly larger. Female flowers bear stamens with no pollen; males bear 220 000 grains. Stigmata of male flowers senesce in buds. Anatomical observations confirm more ovules in females and an ovarian nectary in both sexes. We detected nectar in female flowers in the<br />greenhouse but found no nectar in males. Thus, males offer pollen and females nectar. Females bear large numbers of fruits and, infrequently, male plants bear few significantly smaller fruits with few seeds. Outcrosses of females (self crosses impossible without pollen) yielded fruits in young buds, older buds, and open flowers. Self crosses of male flowers succeeded only with very<br />young buds. Although functionally dioecious, this species manifests self-compatibility; however, no fruits are produced autonomously. Bee species (Lassioglossum, Amegilla, Apis) visit flowers and mature buds. Bud visits in which bees force petal tips apart, coupled with self-compatibility, may explain infrequent fruit on males. Thus, dioecy in W. aristata seems to have evolved from self-compatible ancestors, that leaky dioecy may have been favored during colonization, and, that despite autogamy and a low floral visition rate, this endemic enjoys a high rate of reproductive success.
publishDate 2006
dc.date.none.fl_str_mv 2006-12
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/32319
Anderson, Mona; Santos-Guerra, Arnoldo; Opel, Matthew R.; Bernardello, Gabriel Luis Mario; Anderson, Gregory; Reproductive biology of the dioecious Canary Islands endemic Withania aristata (Solanaceae); Botanical Society of America; American Journal of Botany; 93; 9; 12-2006; 1295-1305
0002-9122
1537-2197
CONICET Digital
CONICET
url http://hdl.handle.net/11336/32319
identifier_str_mv Anderson, Mona; Santos-Guerra, Arnoldo; Opel, Matthew R.; Bernardello, Gabriel Luis Mario; Anderson, Gregory; Reproductive biology of the dioecious Canary Islands endemic Withania aristata (Solanaceae); Botanical Society of America; American Journal of Botany; 93; 9; 12-2006; 1295-1305
0002-9122
1537-2197
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/http://www.amjbot.org/content/93/9/1295.full
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.publisher.none.fl_str_mv Botanical Society of America
publisher.none.fl_str_mv Botanical Society of America
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
_version_ 1842268721686511616
score 13.13397

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