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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
Pictures of Paeonia suffruticosa flowers at the different flowering stages. (A) P. suffruticosa flowering bud; (B) P. suffruticosa flower at the early flowering stage; (C) P. suffruticosa flower at the full flowering stage.