Fig. 5. Number and density of species within 0. 5 s. d Fig. 5. Number and density of species within 0.5 s.d. unit thick concentric shells around the centroid of the 3-D morphological space in Ericaceae. Filled and open circles represent the number and density of points at a given s.d. unit. From: Evolutionary constraints on disparity of ericaceous pollen grains Ann Bot. Published online January 08, 2019. doi:10.1093/aob/mcy212 Ann Bot | © The Author(s) 2019. Published by Oxford University Press on behalf of the Annals of Botany Company. All rights reserved. For Permissions, please email: journals.permissions@oup.comThis article is published and distributed under the terms of the Oxford University Press, Standard Journals Publication Model (https://academic.oup.com/journals/pages/open_access/funder_policies/chorus/standard_publication_model) 1