2005
DOI: 10.1590/s0102-33062005000200002
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Variação no número de glândulas e produção de óleo em flores de Stigmaphyllon paralias A. Juss. (Malpighiaceae)

Abstract: RESUMO -(Variação no número de glândulas e produção de óleo em flores de Stigmaphyllon paralias A. Juss. (Malpighiaceae)). Foi estudada uma população de Stigmaphyllon paralias (Malpighiaceae) em Feira de Santana, Bahia, Brasil, visando analisar a variação do número de glândulas e sua produção de óleo nas flores. Dos indivíduos analisados, 76% não variaram o número de glândulas entre suas flores, ocorrendo 41% de indivíduos com flores que possuem 10 glândulas, 31% com oito glândulas e 4% com nove glândulas. Nas… Show more

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Cited by 14 publications
(9 citation statements)
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“…Vogel (1990a) hypothesized that the absence or reduction of the number of glands in some species may represent a way of saving energy resources. Carvalho et al (2005), in turn, verified that there is a compensation in the use of energy resources and not economy, since the production of oil in Stigmaphyllon paralias is similar in flowers with eight or ten glands.…”
Section: Malpighiaceaementioning
confidence: 87%
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“…Vogel (1990a) hypothesized that the absence or reduction of the number of glands in some species may represent a way of saving energy resources. Carvalho et al (2005), in turn, verified that there is a compensation in the use of energy resources and not economy, since the production of oil in Stigmaphyllon paralias is similar in flowers with eight or ten glands.…”
Section: Malpighiaceaementioning
confidence: 87%
“…July-September 2017 et al 2011) have individuals with glandular and eglandular flowers in the same or in different populations. Banisteriopsis variabilis (Possobom 2013) Diplopterys pubipetala (Possobom et al 2015), Galphimia brasiliensis (Castro et al 2001), Heteropterys alternifolia (Costa et al 2006) and Stigmaphyllon paralias (Carvalho et al 2005;Costa et al 2006) have different numbers of elaiophores per flower in the same individuals. Vogel (1990a) hypothesized that the absence or reduction of the number of glands in some species may represent a way of saving energy resources.…”
Section: Malpighiaceaementioning
confidence: 99%
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“…Intraspecific variation has been reported for some Neotropical species of Malpighiaceae, as recorded in Byrsonima , Galphimia , and Stigmaphyllon A. Juss., having variable numbers of glands on the anterior and lateral sepals [53, 67, 71, 72]. It is interesting to note that the high variation in number and placement of sepal glands recorded in Acridocarpus (Fig 4) was not described for any other Malpighiaceae genus, which may be due to a labile gene expression to determine the presence of the glands on the calyx.…”
Section: Discussionmentioning
confidence: 99%
“…Essa hipótese vem sendo corroborada por estudos filogenéticos que apontam para a subfamília Byrsonimoidae como o grupo mais basal da família (Cameron et al 2001, Davis et al 2001. Entretanto, a redução no número de elaióforos parece não diminuir a quantidade de óleo oferecida como recompensa (Carvalho et al 2005).…”
Section: Discussionunclassified