… 1,2 , but the global organization of functional traits in roots remains poorly understood 3,4 .
… a global dataset of 10 functionally important root traits in metabolically active first-order roots, …

We thank reader Joseph Craine for pointing out three inadvertent errors in this Letter. First, 4
of the 71 divergence dates extracted from ref.. sup. 1 of this Amendment and used in Fig. 1b …

… We incorporated the evolutionary relationships between species in the imputation process
… Construction of the global trait space We identified the main axes of functional trait variation …

… fine root morphological and functional traits of woody plants and then evaluate links between
fine root morphology, function, … associated with plant growth strategies are poorly resolved. …

… in functional traits should be explicit about whether a trait exhibits … To test the adaptive value
of root traits along gradients in … the global vegetation plot database (sPlot) 31 with the global …

… functional traits vary along environmental gradients, within … among root traits observed in
woody plants globally may not … We suggest that the evolutionary history of the American oak …

… to examining evolutionary history and the role of root structural and functional traits, we
also … effects of evolutionary history, root traits, climate, and edaphic factors on forest fine …

… evolutionary stages (Comas and Eissenstat 2009; Chen et al. 2013). We found that there were
potential effects of evolutionary shifts in root functional traits … tree root adaptability to global …

… Here, we present an evolution-based trait-modelling approach for resolving (1) the organization
of … 2a) with a new taxon-specific database on root symbioses that we developed from the …

… roots show extraordinary diversity in form and function in heterogeneous environments.
Mounting evidence has shown global bi-dimensionality in root traits, the root … , the origin of the bi-…