Affiliation:
1. Universidade Federal de Pernambuco, Brazil
Abstract
ABSTRACT In seasonally dry tropical forests such as the Brazilian Caatinga, factors such as soil type and luminosity are known to cause changes in foliar tissues that enable the survival of species in such places. The present study aimed to describe the leaf morphoanatomy of Senna cana and to observe the plasticity in leaf tissues receiving both direct and indirect light radiation. The study was carried out in the Catimbau National Park in Buíque, PE, Brazil. Mature leaf samples were collected from under full sunlight and full shade in three areas with soils of different colors. Histological slides were prepared for visualization of epidermal faces, internal leaf structure, and histochemical tests. Plasticity was noted in the type of trichome that covered the epidermal faces, and in the number of layers of the palisade and spongy parenchymas, even under the indirect effect of radiation. Phenolic compounds and lipids also showed plasticity. These results demonstrate that Senna cana is a species with high plasticity for the luminosity factor. Further, it was noticed that indirect light also promotes anatomical changes and should be considered in future analyses.
Subject
General Agricultural and Biological Sciences
Reference48 articles.
1. Florística e fitossociologia de um remanescente de vegetação caducifólia espinhosa arbórea em Caruaru, Pernambuco;ALCOFORADO-FILHO F. G.;Acta Botánica Brasílica,2003
2. Floristics and life-forms along a topographic gradient, central-western Ceará, Brazil;ARAÚJO F. S.;Rodriguésia,2011
3. Pedología: solos dos biomas brasileiros;ARAÚJO FILHO J. C.,2017
4. Plant metabolites and regulation under environmental stress;ASHRAF M. A.,2018
5. Adaptações anatômicas em folhas de marmeleiro e velame da caatinga brasileira;BARROS I. O.;Revista Ciência Agronômica,2013
Cited by
1 articles.
订阅此论文施引文献
订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献