2018
DOI: 10.1590/0102-33062018abb0132
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Abstract: Heteranthery, the presence of different types of stamens in a flower, may reduce the conflict between pollinators and plants by ensuring the resource for the pollinator without drastically affecting the availability of viable male gametes for fertilization, according to the division-of-labor hypothesis. We investigated whether the poricidal anthers of Senna pendula, a buzz-pollinated heterantherous species, present morphological and physiological differences among pollen grains from the three sets of stamens. … Show more

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Cited by 7 publications
(3 citation statements)
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“…However, not all visitors of buzz‐pollinated flowers are, in fact, pollinators. Flower visitors may contribute to plant reproduction to different degrees, depending on a set of behavioral and morphological components, such as body size, frequency of contact with stigmas, duration of visits, and visitation rates of flowers and of conspecific plant individuals (Ne’eman et al, 2010; Mesquita‐Neto et al, 2017, 2018; Solís‐Montero and Vallejo‐Marín, 2017; Pinheiro‐Costa et al, 2018; Rego et al, 2018; Konzmann et al, 2020).…”
mentioning
confidence: 99%
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“…However, not all visitors of buzz‐pollinated flowers are, in fact, pollinators. Flower visitors may contribute to plant reproduction to different degrees, depending on a set of behavioral and morphological components, such as body size, frequency of contact with stigmas, duration of visits, and visitation rates of flowers and of conspecific plant individuals (Ne’eman et al, 2010; Mesquita‐Neto et al, 2017, 2018; Solís‐Montero and Vallejo‐Marín, 2017; Pinheiro‐Costa et al, 2018; Rego et al, 2018; Konzmann et al, 2020).…”
mentioning
confidence: 99%
“…The overall size of visitors seems to be a particularly strong determinant of pollinator efficiency. For example, some visiting bees are too small to contact stigmas of poricidal flowers and are therefore poor pollinators of such plants (Mesquita‐Neto et al, 2017, 2018; Solís‐Montero and Vallejo‐Marín, 2017; Pinheiro‐Costa et al, 2018; Rego et al, 2018; De Luca et al, 2019; Konzmann et al, 2020). Furthermore, pollen removal varies among flower‐visiting bees in flowers with poricidal anthers, and the capacity of bees to sonicate is taxon dependent (Cardinal et al, 2018).…”
mentioning
confidence: 99%
“…Differences in pollen amount, pollen grain features, and viability have been reported for heterantherous species (Pinheiro-Costa et al, 2018). To assess potential differences in pollen amount, we prepared three single stamens of each stamen type for pollen counting following the method of Dellinger, Scheer, et al (2019).…”
Section: Pollen Amount and Morphologymentioning
confidence: 99%