Resumen

MARINO, G. D.; MARCHETTI, Z. Y.  y  PENSIERO, J. F.. Key to the recognition of indigenous tree and shrub species from Sitio Ramsar Jaaukanigás (Province of Santa Fe, Argentina). Bol. Soc. Argent. Bot. [online]. 2006, vol.41, n.1-2, pp.77-84. ISSN 1851-2372.

The recognition of native vegetation is the first step on biological conservation and management planning in protected areas. The ligneous species of Paraná River floodplain are essential to fluvial ecosystem functioning; and, several of them are used by local inhabitants to made foods and medicines, or like primary source of wood, tannin and wild honey productions. Despite the high tree and shrub fluvial ecosystem diversity, to the present there is not any work that involves it and that facilitates its botanical recognition. The goal of this paper was to perform a friendly systematic tool to botanical recognition at field and vegetative stage of indigenous tree and shrub species from Sitio Ramsar Jaaukanigás (Santa Fe, Argentina), an area that encompass a high ligneous floristic diversity. A total of 36 characters relative to the general aspect, trunk, top and leave were observed to each taxon. The botanic key presented here, which include 50 species distributed in 44 genera and 23 families, is based on easily readable botanical characters and try to became in an accessible tool to amateurs and professionals.

Palabras clave : Ligneous species; Botanical recognition; Vegetative stage; Sitio Ramsar Jaaukanigás (Santa Fe, Argentina).

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