Journal
BRAZILIAN ARCHIVES OF BIOLOGY AND TECHNOLOGY
Volume 45, Issue 1, Pages 73-79Publisher
INST TECNOLOGIA PARANA
DOI: 10.1590/S1516-89132002000100012
Keywords
Anacardiaceae; Schinus terebinthifolius; pericarp; anatomy; pericarpo; anatomia
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The fruit of Schinus terebinthifolius Raddi is a globose red drupe with friable exocarp when ripe and composed of two lignified layers: the epidermis and hypodermis. The mesocarp is parenchymatous with large secretory; ducts associated with vascular bundles. In the mesocarp two regions are observed an outer region composed of only parenchymatous cells and an inner region, bounded by one or more layers of druse-like crystals of calcium oxalate, composed of parenchymatous cells, secretory ducts and vascular bundles. The mesocarp detaches itself from the exocarp due to degeneration of the cellular layers in contact with the hypodermis. The lignified endocarp is composed of four layers: the-outermost layer of polyhedral cells with prismatic crystals of calcium oxalate, and the three innermost layers of sclereids in palisade.
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