2012
DOI: 10.1590/s0101-31222012000200013
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Abstract: 6Universidade Federal do Amazonas (UFAM), 69077-000 -Manaus, AM, Brasil.*Autor para correspondência RESUMO -Phenakospermum guyannense é popularmente conhecida na Amazônia como sororoca, geralmente encontrada próxima a cursos d´água, em ambientes ombrófilos. Objetivou-se com este estudo descrever a morfoanatomia e histoquímica da semente madura de P. guyannense, como contribuição a estudos taxonômicos, fisiológicos e ecológicos. Sementes maduras foram coletadas nas margens da Cachoeira d… Show more

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Cited by 3 publications
(10 citation statements)
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References 17 publications
(19 reference statements)
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“…Seeds of Phenakospermum guyannese, a species of the Strelitziaceae family, were characterized as oval seeds with an average length of 9.74 mm, the width of 6.42 mm, and thickness of 5.86 mm (Oliveira et al, 2012), showing to be an oval seed in comparison with S. reginae seeds, which were already classified as globular seeds (Duretto et al, 2017), now confirmed by the present work.…”
Section: Resultssupporting
confidence: 82%
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“…Seeds of Phenakospermum guyannese, a species of the Strelitziaceae family, were characterized as oval seeds with an average length of 9.74 mm, the width of 6.42 mm, and thickness of 5.86 mm (Oliveira et al, 2012), showing to be an oval seed in comparison with S. reginae seeds, which were already classified as globular seeds (Duretto et al, 2017), now confirmed by the present work.…”
Section: Resultssupporting
confidence: 82%
“…The images showed that the black color was predominant, occurring in 80% of the seeds, but smaller amounts of blue (7%), sky blue (7%), and dark gray (6%) were also present (Figure 1). Although the seeds of Strelitzia reginae (Pirone et al, 2010;Paiva et al, 2012), Strelitzia nicolai (Duretto et al, 2017), and Phenakospermum guyannense (Oliveira et al;2012) were described as only black in color, the analysis performed indicated the existence of other colors, such as blue and gray. Notably, in vitro oxidation compounds on a medium culture during in vitro cultivation were identified, and different colors were present in the exudates, including blue (Paiva et al, 2000).…”
Section: Resultsmentioning
confidence: 99%
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“…Ademais, a composição fenólica dos envoltórios das sementes contribui para a impermeabilidade à água (Oliveira et al 2012) e/ou difusão de gases, afetando a germinação (Bewley & Black 1994). Os compostos fenólicos atuam, ainda, na proteção do embrião dormente contra patógenos, na imposição da dormência tegumentar e na liberação de aleloquímicos durante a embebição (Ceballos et al 1998).…”
Section: Discussionunclassified