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. 2017 Jun 30;8:1119. doi: 10.3389/fpls.2017.01119

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Copyright © 2017 Lau, Guo, Pang, Tang, Thomas and Saunders.

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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Pollinator trapping in Annonaceae flowers. (A) Dasymaschalon trichophorum, with open apertures (arrowed). (B) Dasymaschalon trichophorum, with apertures closed due to lateral growth of petals. (C) Friesodielsia borneensis, with open apertures (arrowed). (D) Friesodielsia borneensis, with apertures blocked due to movement of the outer petals. (E) Goniothalamus tapisoides, with open apertures (arrowed). (F) Goniothalamus tapisoides, with apertures blocked due to movement of the outer petals. (Photos A,E,F: J. Y. Y. Lau; B: C.-C. Pang; C,D: X. Guo).