1987
DOI: 10.1093/oxfordjournals.aob.a087455
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Tapetal Organization During Sporogenesis in Psilotum nudum

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Cited by 15 publications
(8 citation statements)
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“…The presence of a cellular, parietal tapetum and a plasmodial tapetum existing concurrently in S. pectinata from the Cape is similar in some respects to the condition pre viously reported in Psilotum nudum (Parkinson 1987). The condition also exists in other members of the Schizaeaceae, namely Anemia phyllitidis (L.) Sw. (Schraudolf 1984) and Lygodium Sw. (Binford 1907), as I have de duced from illustrations in these papers.…”
Section: Tapetal Organisationsupporting
confidence: 75%
“…The presence of a cellular, parietal tapetum and a plasmodial tapetum existing concurrently in S. pectinata from the Cape is similar in some respects to the condition pre viously reported in Psilotum nudum (Parkinson 1987). The condition also exists in other members of the Schizaeaceae, namely Anemia phyllitidis (L.) Sw. (Schraudolf 1984) and Lygodium Sw. (Binford 1907), as I have de duced from illustrations in these papers.…”
Section: Tapetal Organisationsupporting
confidence: 75%
“…The phylogeny is based on information reviewed in Qiu (2008). The information on cell numbers of sporophytes and gametophytes and sporocyte number was obtained as follows: bryophytes (Kreulen, 1972; Longton & Schuster, 1983); pteridophytes (Bower, 1897, 1900; Smith, 1900; Parkinson, 1987; Gifford & Foster, 1989); gymnosperms (Smith, 1907; Chamberlain, 1909; Singh, 1978; Gifford & Foster, 1989); and angiosperms (Walter, 1983; Gifford & Foster, 1989; Johri et al, 1992). The cell numbers in the large sporophytes of vascular plants represent a gross estimation.…”
Section: Evolution Of the Life Cycle In Land Plantsmentioning
confidence: 99%
“…Se ha señalado que los pteridófitos sensu lato que forman tapete plasmodial en etapas tempranas de la ontogenia del esporangio el tapete puede estar formado de varias capas o ser biestratificado, como el observado en P. macrocarpa, en donde la capa interna del tapete adyacente a los esporocitos premeióticos pierde la integridad histológica dando origen a un plasmodio o tapete plasmodial. Este tapete invade la cavidad de los esporangios rodeando a los esporocitos y separándolos entre si y probablemente acelerando los procesos de desarrollo y diferenciación celular como lo han descrito otros autores (Wilson, 1958;Sheffield & Bell, 1979;Parkinson, 1987;Uehara & Kurita, 1989;Lugardon, 1990;Parkinson, 1995;Parkinson & Pacini, 1995;Rincón et al, 2011Rincón et al, , 2013. No obstante, Triana-Moreno (2012) propone la presencia de una sola capa de tapete en Pecluma eurybasis var.…”
Section: Discussionunclassified
“…Los movimientos del tapete y la formación de las cámaras plasmodiales también son similares a lo descrito para Psilotum nudum (L) P. Beav. (Psilotaceae) por Parkinson (1987), en Equisetum arvense L. (Uehara & Kurita, 1989) y Equisetum flluviatile L. (Lehmann, Neidhart, & Schlenkermann, 1984). Rincón et al (2013) descartan la posibilidad de que las cámaras plasmodiales sean resultado del proceso de fijación de las muestras y señalan la presencia de cuerpos multivesiculares en estas cámaras que podrían estar relacionados con el tránsito de materiales desde el plasmodio hasta las esporas en maduración.…”
Section: Discussionunclassified
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