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Quantitative measures of leaf epidermal cells as a taxonomic and phylogenetic tool for the identification of Stanhopea species (Orchidaceae) Phyton
Foroughbakhch,R; Ferry Sr,RJ; Hernández-Piñero,JL; Alvarado-Vázquez,MA; Rocha-Estrada,A.
Orchids of the genus Stanhopea are currently identified only by their floral structure characteristics. A statistical analysis of a significant number of species of this genus disclosed that measurements of adaxial and abaxial epidermal cell surface areas can be correlated with specific recognized species by a leaf printing method. This allows an objectively either positive or nearly positive confirmation of the identity of a species in the absence of flowers and without damage to plants. When ordering the mean values obtained for these surface areas in each species in a decreasing order, a correlation was observed in a hierarchical way that went from primitive to more advanced floral forms. This reflects the evolutionary radiation of the genus. It is...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Stanhopea; Quantitative taxonomy; Morphometry; Leaf printing; Orchidaceae.
Ano: 2008 URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S1851-56572008000100010
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