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Portal de la Ciencia
Article . 2015 . Peer-reviewed
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Portal de la Ciencia
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Anatomía de los órganos vegetativos y reproductivos de Crescentia alata y Crescentia cujete (Bignoniaceae)

Authors: Lilian Ferrufino; Lucy López Arteaga; Tani Paola López;

Anatomía de los órganos vegetativos y reproductivos de Crescentia alata y Crescentia cujete (Bignoniaceae)

Abstract

Crescentia es un género que habita en los bosques secos y en Centroamérica estas especies son consideradas de mucha importancia económica. La separación taxonómica de C. alata y C. cujete ha sido muy discutida, ya que ambas especies son cercanamente relacionadas. El objetivo de este estudio es conocer la anatomía vegetativa y reproductiva de C. alata y C. cujete. Entre las características anatómicas observadas en ambas especies están la presencia de peridermis y una médula con fibras de floema secundario en los tallos; la hoja presenta nectarios extraflorales y en la vena media un mesófilo dorsiventral con parénquima en empalizada y lagunoso; también, en el cilindro vascular se observan fibras perifloemáticas; los pétalos y sépalos muestran muchas acumulaciones de pigmentos y abundantes pelos glandulares, nectarios florales y el polen tiene una ornamentación colpado; la semilla presenta una gran cantidad de endospermo y una capa de aleurona. En conclusión, ambas especies tienen características anatómicas similares, sin embargo, la ornamentación de los granos polen es diferente entre ambas especies, en particular el número de colpas. DOI: http://dx.doi.org/10.5377/pc.v6i0.1839 Revista Portal de la Ciencia, No. 6, julio 2014: 27-36

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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