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Abstract:

This paper constitutes the first report of the chemical nature, and histochemical localization of secretions in Brazilian species of Panicum L. sect. Lorea Zuloaga (Poaceae, Panicoideae, Paniceae); the study also includes an anatomical analysis. Lipid secretions were found in leaf sheaths and ligular regions. Lipids accumulate in specialized epidermal cells, at times surrounding the bases of the macrohairs, and in the mesophyll. Viscous secretions have been previously reported for P. vaginiviscosum Renvoize & Zuloaga and P. acicularifolium Renvoize & Zuloaga, species in section Lorea that are analyzed anatomically here. Lipid secretions are now also reported for the first time in eight other species of section Lorea: P. bahiense Renvoize, P. chnoodes Trin., P. cipoense Renvoize & Send., P. durifolium Renvoize & Zuloaga, P. euprepes Renvoize, P. molinioides Trin., P. poliophyllum Renvoize & Zuloaga, and P. trinii Kunth. © 2008 Missouri Botanical Press.

Registro:

Documento: Artículo
Título:Anatomy and histochemical localization of lipid secretions in Brazilian species of panicum sect. Lorea (poaceae, panicoideae, paniceae)
Autor:Vega, A.S.; Castro, M.A.; Zuloaga, F.O.
Filiación:Cátedra de Botánica Agrícola, Facultad de Agronomía, Universidad de Buenos Aires, Av. San Martín 4453, C1417DSE, Buenos Aires, Argentina
Laboratorio de Anatomía Vegetal, Departamento de Biodiversidad y Biología Experimental, Universidad de Buenos Aires, C1428EHA, Buenos Aires, Argentina
Instituto de Botánica Darwinion, Labardén 200, Casilla de Correo 22, B1642HYD, Buenos Aires, Argentina
Palabras clave:Gramineae; Herbivory; Lipids; Panicum; Plant defenses; Poaceae; Secreting epidermal cells; Paniceae; Panicoideae; Panicum; Panicum euprepes; Poaceae
Año:2008
Volumen:95
Número:3
Página de inicio:511
Página de fin:519
DOI: http://dx.doi.org/10.3417/2006084
Título revista:Annals of the Missouri Botanical Garden
Título revista abreviado:Ann. Mo. Bot. Gard.
ISSN:00266493
CODEN:AMBGA
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00266493_v95_n3_p511_Vega

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Citas:

---------- APA ----------
Vega, A.S., Castro, M.A. & Zuloaga, F.O. (2008) . Anatomy and histochemical localization of lipid secretions in Brazilian species of panicum sect. Lorea (poaceae, panicoideae, paniceae). Annals of the Missouri Botanical Garden, 95(3), 511-519.
http://dx.doi.org/10.3417/2006084
---------- CHICAGO ----------
Vega, A.S., Castro, M.A., Zuloaga, F.O. "Anatomy and histochemical localization of lipid secretions in Brazilian species of panicum sect. Lorea (poaceae, panicoideae, paniceae)" . Annals of the Missouri Botanical Garden 95, no. 3 (2008) : 511-519.
http://dx.doi.org/10.3417/2006084
---------- MLA ----------
Vega, A.S., Castro, M.A., Zuloaga, F.O. "Anatomy and histochemical localization of lipid secretions in Brazilian species of panicum sect. Lorea (poaceae, panicoideae, paniceae)" . Annals of the Missouri Botanical Garden, vol. 95, no. 3, 2008, pp. 511-519.
http://dx.doi.org/10.3417/2006084
---------- VANCOUVER ----------
Vega, A.S., Castro, M.A., Zuloaga, F.O. Anatomy and histochemical localization of lipid secretions in Brazilian species of panicum sect. Lorea (poaceae, panicoideae, paniceae). Ann. Mo. Bot. Gard. 2008;95(3):511-519.
http://dx.doi.org/10.3417/2006084