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ABSTRACT:

An overview on the anatomy development and evolution of the vascular system of lianas

Journal Article

Angyalossy V; Angeles G; Pace MR; Dias-Leme CL; Lima AC

2011

Plant Ecology & Diversity

5

167-182

Background: support. Meanwhile during their evolutionary history they have gained additional conductive and storage tissues. The wood of lianas generally includes wider vessels larger amounts of axial parenchyma larger rays and longer fibres than those of trees. Cambial variants represent another key anatomical feature of lianas. Aims: In this paper we review various aspects of liana biology including those associated with their vascular system and water conduction secondary growth and seasonal responses to environmental variability as well as aspects related to the evolution of their cambial variants. Methods: Examples from the Bignoniaceae and Leguminosae the two most abundant liana taxa in the Neotropics are presented in a series of case studies bringing new data such as the activity of the cambium during the dry seasons; the radial conducting elements that are associated with the habit; the cambial variant of Bignonieae that has evolved in a recapitulatory fashion; and the increased specialisation for photosynthate conduction by the phloem. Conclusions: Altogether lianas represent an excellent model for studies on the convergent evolution of plants. \r\n\r\nAn overview of the anatomy development and evolution of the vascular system of lianas (PDF Download Available). Available from: https://www.researchgate.net/publication/235956623_An_overview_of_the_anatomy_development_and_evolution_of_the_vascular_system_of_lianas [accessed Sep 18 2017].

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El Proyecto de Ecología Liana es apoyado por la Universidad Marquette y financiado en parte por la National Science Foundation.