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1 April 2015 Leaf Mass Per Area (LMA) as a Possible Predictor of Adaptive Strategies in Two Species of Sesleria (Poaceae): Analysis of Morphological, Anatomical and Physiological Leaf Traits
Giacomo Puglielli, Maria Fiore Crescente, Anna Rita Frattaroli, Loretta Gratani
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Abstract

Leaf mass per area (LMA) is an important variable in a set of coordinated leaf traits to determine plant species' ecological strategies. We hypothesized that LMA was the main predictor of the adaptive strategies of Sesleria juncifolia and S. nitida (Poaceae), growing on Mount Terminillo (Central Apennines) and cultivated ex situ. We broke LMA down into leaf anatomical components (i.e. leaf tissue density and thickness) and then related them to physiological traits. We found that the different habitats of the two species determine a different control of the anatomical components of the LMA variation. These differences are related to photosynthetic capacity, scaling linearly with leaf biomass investment per unit leaf area. On the whole, our study, taking into account the changes in LMA and its anatomical components, provides a trait framework which could be used to analyze adaptive strategies of other species in dry, mountain grasslands.

© Finnish Zoological and Botanical Publishing Board 2015
Giacomo Puglielli, Maria Fiore Crescente, Anna Rita Frattaroli, and Loretta Gratani "Leaf Mass Per Area (LMA) as a Possible Predictor of Adaptive Strategies in Two Species of Sesleria (Poaceae): Analysis of Morphological, Anatomical and Physiological Leaf Traits," Annales Botanici Fennici 52(1–2), 135-143, (1 April 2015). https://doi.org/10.5735/085.052.0201
Received: 17 July 2014; Accepted: 3 October 2014; Published: 1 April 2015
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