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. 2014 Jul 8;5:327. doi: 10.3389/fpls.2014.00327

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Copyright © 2014 Hawkins and Liu.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Early stage wild type and ett-1 gynoecium development. (A) Stage 7 wild type floral meristem showing upward growth of the gynoecial tube. (B) Stage 7 ett-1 floral meristem showing a shallower gynoeciual tube. Aberrant stamen is marked with *. Scale bar is 22 μM (A) and 30 μm (B), respectively. (C) Section of the medial plane of a stage 8 wild type gynoecium showing inner surface (small arrows) and medial vascular bundle (large arrow). (D) Section in the medial plane of a stage 8 ett-1 gynoecium showing a shorter tube. The basal gynophore (i) is more prominent. Images reproduced from Sessions (1997) with permission from American Journal of Botany.