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A Multiple Epidermis Or A Periderm In Parkinsonia Praecox (Fabaceae), Silvia Aguilar-Rodriguez, Teresa Terrazas, Xicotencatl Camacho-Coronel
A Multiple Epidermis Or A Periderm In Parkinsonia Praecox (Fabaceae), Silvia Aguilar-Rodriguez, Teresa Terrazas, Xicotencatl Camacho-Coronel
Turkish Journal of Botany
A multiple epidermis in the green stems of Parkinsonia species has been described; however, there are disagreements among authors with regard to origin and tissues involved. The aims of this study were to identify the origin and development of the epidermis and cortex of P. praecox and relate these to possible adaptations to arid environments. Samples from new branches, to the stem, were removed and prepared using two embedding techniques. Our results show that the epidermis is simple, but periclinal divisions start far from the apical meristem. The inner derivatives maintained periclinal and anticlinal divisions, which are interpreted as meristematic, …