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. 2019 Nov 1;10:1359. doi: 10.3389/fpls.2019.01359

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Copyright © 2019 Valoroso, Sobral, Saccone, Salvemini, Costa and Aceto

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) and the copyright owner(s) 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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Flowers of zygomorphic and peloric orchids. Orchis italica (Orchidoideae): (A) inflorescence; single flower before (B) and after (C) anthesis. Phalaenopsis equestris (Epidendroideae): flower before (D) and after (E) anthesis. Phalaenopsis Joy Fairy Tale: flower before (F) and after (G) anthesis. 1, outer tepal; 2, lateral inner tepal; 3, lip; 2/3, lip-like structure of Phalaenopsis Joy Fairy Tale.