2011
DOI: 10.1590/2175-7860201162204
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Morfologia de sementes e de estádios iniciais de plântulas de espécies de Bromeliaceae da Amazônia

Abstract: ResumoSementes de Aechmea bromeliifolia, A. castelnavii (Bromelioideae); Dyckia duckei, D. racemosa (Pitcairnioideae) e Tillandsia adpressiflora (Tillandsioideae) foram coletadas em regiões amazônicas (Mato Grosso) e estudadas visando sua caracterização morfológica e o desenvolvimento pós-seminal com finalidades taxonômicas, além de verificar a porcentagem de germinação. Todas as espécies apresentam germinação epígea e plântulas criptocotiledonares. As sementes não apresentam dormência e a porcentagem de germi… Show more

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Cited by 16 publications
(20 citation statements)
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References 23 publications
(34 reference statements)
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“…According to Benzing (2000) and Scatena et al (2006), the presence of winged structures, such as plumose appendages, facilitates long-distance dispersal of seeds, enabling them to reach, as well as thrive in, inhospitable microenvironments. This type of appendage has been found on seeds of other bromeliads which represent the subfamily Tillandsioideae (Scatena et al 2006, Pereira et al 2008, Pereira et al 2009, Silva & Scatena 2011, Magalhães & Mariath 2012. The plumose appendages of Vriesea friburgensis var.…”
Section: Discussionmentioning
confidence: 77%
See 1 more Smart Citation
“…According to Benzing (2000) and Scatena et al (2006), the presence of winged structures, such as plumose appendages, facilitates long-distance dispersal of seeds, enabling them to reach, as well as thrive in, inhospitable microenvironments. This type of appendage has been found on seeds of other bromeliads which represent the subfamily Tillandsioideae (Scatena et al 2006, Pereira et al 2008, Pereira et al 2009, Silva & Scatena 2011, Magalhães & Mariath 2012. The plumose appendages of Vriesea friburgensis var.…”
Section: Discussionmentioning
confidence: 77%
“…paludosa seeds were obtained from mature fruits harvested from plants grown in the bromeliad collection of the Centro de Ciências Agrárias, Universidade Federal de Santa Catarina, Brazil (figure 1b) Morphological analysis -According to the Rules for Seed Analysis (Brasil 2009), a precision analytical balance (0.1 mg) was used to obtain the weight of 1000 seeds. As for the biometric description, the length and width of 50 seeds were randomly selected from five different specimens and then measured with a digital caliper individually, according to the method of Silva & Scatena (2011). These seeds were used for the viability test.…”
Section: Methodsmentioning
confidence: 99%
“…Anatomical and morphological characters are useful for distinguishing among species at the seed stage (Corner 1976;Alsina 1988;Juan et al 1998). The same is valid for seedlings, for various taxonomic levels, down to the level of subfamily (Silva & Scatena 2011), genera (Rodriguez & Tozzi 2008) or species (Dottori et al 2000;Perícola et al 2004;Mendiondo & Amela García 2005). These characters can be employed to devise keys, such as those designed to categorize seeds or seedlings (Duke 1965(Duke , 1969Csapody 1968) by family (Sánchez Sánchez & Hernández Cepeda 2004), subfamily (Kirkbride et al 2003) or genus (Deginani 2001), as well as those designed to differentiate among plants that grow in a certain region (Marino et al 2008;Zamora-Cornelio et al 2010).…”
Section: Introductionmentioning
confidence: 93%
“…As sementes de Bromeliaceae possuem caracteristicas relevantes para subsidiar análises ecológicas, delimitar genêros e contribuir para a reavaliação taxonômica a nível infrafamiliar (SILVA & SCATENA, 2011).…”
Section: Tabela 1 Dimensões Do Fruto Deunclassified