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Boletín de la Sociedad Argentina de Botánica

On-line version ISSN 1851-2372


GIMENEZ, Ana María; CALATAYU, Federico; FIGUEROA, María Eugenia  and  DIAZ ZIRPOLO, José. Anatomía de leño de Maytenus vitis-idaea y M. viscifolia (Celastraceae). Bol. Soc. Argent. Bot. [online]. 2012, vol.47, n.3-4, pp.351-362. ISSN 1851-2372.

Wood anatomy of Maytenus vitis-idaea. y M. viscifolia (Celastraceae). Is objective of this study to describe the wood anatomy of Maytenus vitis-idaea Griseb. and M. viscifolia Griseb. (Celastraceae) and to determine ecoanatomy features. The samples were collected from natural forest in Guampacha, Guasayán, Santiago del Estero, Argentina (Chaco Serrano district). Five individuals were randomly selected; being obtained a track to 0.3 m. IAWA Committee on Nomenclature terminology was used in wood descriptions. Xylem features of Maytenus be summarized as: numerous small pores, short vessel members and growth rings narrow. The wood of the two species were characterized by diffuse to semi-circular porosity, growth rings type 5b, numerous small pores, apotracheal axial parenchyma in discontinuous bands, with a tendency to cross-linked, low paratracheal unilateral and diffuse in aggregates, heterogeneous rays, fibrotracheids present. The main anatomical difference is the predominance of solitary pores in M. vitis-idaea and longest rays in M. viscifolia. Both woods present conspicuous xerophytic features.

Keywords : Maytenus viscifolia; M. vitis-idaea; Anatomy; Wood.

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