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Stem anatomy at various developmental stages of secondary growth in Turbina corymbosa (Convolvulaceae)

Plant Ecology and Evolution

Lekhak, M. M., Gondaliya, A. D., Yadav, S. R., & Rajput, K. S. 

2018

Plant Ecology and Evolution

151(2)

219-230

Population growth of lianas in the tropical forest is credited to their ability of CO2 sequestration and efficiency of the narrow stems to supply water required for the amount of foliage it bears. Turbina corymbosa (L.) Raf. (Convolvulaceae Juss.) is one of the fast-growing invasive species of scrambling woody lianas. It covers trees entirely within a short period to compete with above-ground resources (particularly sunlight). However, no information is available on how it manages to cope up with an increasing demand of water supply and mineral nutrients. What are the structural and developmental patterns adapted by this species to expand the stem diameter for efficient supply of below-ground resources? Therefore, our aim was to investigate the secondary growth patterns and structure of secondary xylem and phloem in T. corymbosa.

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