Needle anatomy of Pinus caribaea Morelet var. caribaea Barret y Golfari in four biotops in Pinar del Río
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Abstract
In order to characterize the anatomy of Pinus caribaea var. caribaea needles in four locations, cross sections were made at the base of the needle. 13 anatomical variables were analysed from 30 individuals by locality. The species has an equifacial structure with three resin channels and great development of the chlorophyll parenchyma. The discriminant analysis allowed differentiating each localities in relation to the edatope where it are developed. In the species, the variables that discriminated the most were the transfusion parenchyma, the diameter of the right channel and the thickness of the epidermis.
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