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. 2017 Dec 23;69(3):525–535. doi: 10.1093/jxb/erx405

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© The Author(s) 2017. Published by Oxford University Press on behalf of the Society for Experimental Biology.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 5. — Pollen, massulae, ovules, pollen:ovule ratio, and phylogeny. (A) Pollen grain number per flower for the eight orchid species studied. (B) Massulae number per flower and corresponding pollen grain numbers for a subset of three species. (C) Ovule number per flower for the eight orchid species studied. (D) P:O per flower for the eight orchid species studied. (E) Time-calibrated phylogeny of the eight orchid species studied (modified from data in Inda et al., 2012). (A, C, –D) Data displayed in boxplot format. Letters indicate species that group together accordin g to the npANOVA post hoc tests. ***, Group that differs from all the others, or significant differences between two groups; n.s., group that differs from none of the others.