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. 2014 Jun 28;55:52. doi: 10.1186/s40529-014-0052-8

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© Peng et al.; licensee Springer 2014

This article is published under license to BioMed Central Ltd. 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 use, distribution, and reproduction in any medium, provided the original work is properly credited.

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Cryo SEM microphotographs of Begonia leaves. A-C: Adaxial surface; D-F: Cross section; G-I: Abaxial surface; A, D, G: Begonia guixiensis; B, E, H: B. cylindrica; C, F, I: B. longa.