Developmentally based scaling of leaf venation architecture explains global ecological patterns.

Nature Communications
Lawren SackThusuong Tran

Abstract

Leaf size and venation show remarkable diversity across dicotyledons, and are key determinants of plant adaptation in ecosystems past and present. Here we present global scaling relationships of venation traits with leaf size. Across a new database for 485 globally distributed species, larger leaves had major veins of larger diameter, but lower length per leaf area, whereas minor vein traits were independent of leaf size. These scaling relationships allow estimation of intact leaf size from fragments, to improve hindcasting of past climate and biodiversity from fossil remains. The vein scaling relationships can be explained by a uniquely synthetic model for leaf anatomy and development derived from published data for numerous species. Vein scaling relationships can explain the global biogeographical trend for smaller leaves in drier areas, the greater construction cost of larger leaves and the ability of angiosperms to develop larger and more densely vascularised lamina to outcompete earlier-evolved plant lineages.

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Citations

Oct 15, 2013·Journal of Experimental Botany·Lawren SackLisa A Donovan
Dec 26, 2013·Journal of Experimental Botany·Byung-Kook Ham, William J Lucas
Nov 22, 2013·Plant Physiology·Charles A PriceJoshua S Weitz
Nov 29, 2013·Plant Physiology·Daniel H ChitwoodNeelima R Sinha
Feb 26, 2016·Journal of Experimental Botany·Andrea Bräutigam, Udo Gowik
Dec 10, 2015·Frontiers in Plant Science·Yasunori Ichihashi, Hirokazu Tsukaya
Aug 29, 2012·The New Phytologist·Florent PantinBertrand Muller
Oct 3, 2012·The New Phytologist·Benjamin BlonderBrian J Enquist
Jul 22, 2014·Plant, Cell & Environment·Christine Scoffoni, Lawren Sack
Apr 15, 2014·The New Phytologist·Benjamin Blonder, Brian J Enquist
May 21, 2013·Plant, Cell & Environment·Madeline R Carins MurphyTimothy J Brodribb
Sep 30, 2014·The New Phytologist·Pascal-Antoine Christin, Colin P Osborne
May 11, 2013·Current Biology : CB·Howard Griffiths
May 7, 2014·Journal of Experimental Botany·Marjorie R LundgrenPascal-Antoine Christin
Jun 4, 2016·Nature Plants·Christine ScoffoniLawren Sack
May 5, 2016·Plant, Cell & Environment·Adam B RoddyTodd E Dawson
Aug 18, 2016·Plant, Cell & Environment·Timothy J BrodribbMadeline R Carins Murphy
Dec 25, 2015·PLoS Computational Biology·Henrik RonellenfitschEleni Katifori
Jan 6, 2017·The New Phytologist·Mónica R CarvalhoKarl J Niklas
Mar 3, 2017·Plant, Cell & Environment·Louai RishmawiMaarten Koornneef
Jan 16, 2015·Anais Da Academia Brasileira De Ciências·Flaviana J De LimaJuliana M Sayão
Dec 24, 2016·Journal of Synchrotron Radiation·A FatimaY Kashyap
Sep 28, 2013·American Journal of Botany·Grace P JohnLawren Sack

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