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Revista de Biología Tropical
Article . 2006
Data sources: DOAJ
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Ultraestructura del bambú Guadua amplexifolia (Poaceaea: Bambusoideae) presente en Costa Rica

Authors: Jiménez García, Víctor; Montiel Longhi, Mayra; Guevara Berger, Eric;

Ultraestructura del bambú Guadua amplexifolia (Poaceaea: Bambusoideae) presente en Costa Rica

Abstract

The anatomy of several parts of Guadua angustifolia var. bicolor was analyzed and characterized under a scanning electron microscope. Many similarities were observed with other Guadua species, particularly the presence of high dome stomata, of large cells with sinuous walls and of silica cells. Specific bicolor characteristics include (1) a different stomatal pattern in the adaxial zone of the leaf base (close to the sheath); (2) the abundance of hook-shaped trichomes without papilla; (3) the distinctive golden brown color of the bract that covers the culm (caused by papillar trichomes that cover the adaxial sheath); and (4) the size of the groups of auricular trichomes (formed by 12 trichomes)

Se estudió la ultraestructura anatómica de la lámina y la vaina de la hoja, así como de la bráctea del culmo, de Guadua angustifolia var. Bicolor, por medio de los micros-copio electrónico de barrido. Se encontraron similitudes con otras guaduas: estomas de alto domo, células largas con paredes sinuosas y células de sílice. Son propios de la var. bicolor el patrón estomático en la zona abaxial de la hoja cerca de la vaina, con la presencia de gran cantidad de tricomas ganchudos y sin papilas; las brácteas de color café dorado que cubren los culmos y tienen tricomas papilares que cubren el haz; y el abundante número de tricomas auriculares, en grupos de 12.

UCR::Vicerrectoría de Investigación::Unidades de Investigación::Ciencias Agroalimentarias::Centro para Investigaciones en Granos y Semillas (CIGRAS)

UCR::Vicerrectoría de Investigación::Unidades de Investigación::Ciencias Básicas::Centro de Investigación en Estructuras Microscópicas (CIEMIC)

UCR::Vicerrectoría de Docencia::Ciencias Agroalimentarias::Facultad de Ciencias Agroalimentarias::Escuela de Zootecnia

Universidad de Costa Rica/[734-A1-549]UCR/Costa Rica

CORDIS/[EU INCO ICA4-CT-2001-10091]//Unión Europea

Country
Costa Rica
Related Organizations
Keywords

Morphology, Bambú, anatomy, QH301-705.5, 633.587 286 Otras fibras duras, ultraestructura, ultrastructure, diversity, Ultrastructure, morfología, anatomía, morphology, diversidad, Morfología, Ultraestructura, Anatomy, Biology (General), Anatomía, Bamboo, Guadua angustifolia var. bicolor

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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
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