2008
DOI: 10.1590/s0100-84042008000100009
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Hemisincarpia e nectário apendicular enfocados através de ontogênese floral em Mandevilla velame (A. St.-Hil.) Pichon, Apocynoideae

Abstract: -(Hemisyncarpy and appendicular nectary approached by floral ontogeny of Mandevilla velame (A. St.-Hil.) Pichon, Apocynoideae). Mandevilla velame (A. St.-Hil.) Pichon is a subshrub with a peculiar albo-lanuginose indument and white showy flowers. The meaning of this work is to contribute for the morphologic knowledge of this species. Developmental stages of their flowers had been registered in scanning electron microscopy -SEM. Sepals initiation is unidirectional spiraled dextrorse, composing the quincuncia… Show more

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Cited by 4 publications
(3 citation statements)
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References 47 publications
(77 reference statements)
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“…The family is characterized by the presence of latex, a bicarpellary and hemisyncarpic to syncarpic ovary, a fused distal part of style (style-head), often opposite leaves, in some cases alternate or verticillate leaves, colleters usually present in nodes and leaf blades and in inflorescences and flowers, at the base of pedicels, bracts and calyx lobes (Endress & Bruyns 2000;Gomes et al 2008;Judd et al 2009;Rapini 2012). Due to the presence of large and showy flowers, many of its species are used as ornamentals, as species from genus (e.g., Allamanda L. and Mandevilla Lindl.)…”
Section: Introductionmentioning
confidence: 99%
“…The family is characterized by the presence of latex, a bicarpellary and hemisyncarpic to syncarpic ovary, a fused distal part of style (style-head), often opposite leaves, in some cases alternate or verticillate leaves, colleters usually present in nodes and leaf blades and in inflorescences and flowers, at the base of pedicels, bracts and calyx lobes (Endress & Bruyns 2000;Gomes et al 2008;Judd et al 2009;Rapini 2012). Due to the presence of large and showy flowers, many of its species are used as ornamentals, as species from genus (e.g., Allamanda L. and Mandevilla Lindl.)…”
Section: Introductionmentioning
confidence: 99%
“…3f'). Este tipo de sincarpia de origem mista é denominado hemissincarpia, termo utilizado por Markgraf (1979) por Gomes et al (2008). Esta interpretação difere da empregada por Endress et al (1983) que, mesmo reconhecendo regiões conatas na base dos carpelos de representantes da ordem Sapindales, a denomina como claramente apocárpica.…”
Section: Eckhart 1999)unclassified
“…A coleta de material botânico com botões florais é necessária para observação de células-mãe de grãos de pólen em meiose para contagem do número cromossômico (n) gamético (Costa & Forni-Martins 2007a) e para estudos de ontologia floral (Gomes et al 2008), enquanto a coleta de material com flores é a forma mais eficiente de identificar a espécie e a coleta de frutos e sementes é necessária para o plantio e produção de mudas (Wishnie et al 2007), além de permitir a germinação dos propágulos para fixar as pontas de raiz e para observar a metáfase mitótica no registro do número cromossômico (2n) somático (Costa & Forni-Martins 2007a, 2007b.…”
Section: Introductionunclassified