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. 2021 Mar 3;10(3):477. doi: 10.3390/plants10030477

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© 2021 by the authors.

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/).

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(A) Scheme of distribution of the different eco-morphological groups of 87 Crocus in the different regions of Eurasia. Some examples of Mediterranean (C. serotinus, C. nudiflorus; C. nevadensis, C. vernus) and Irano-Turanian species (C. korolkowii) have been specifically located on the map. (B) Possible evolutionary pathways of Crocus species from the center of variability and distribution in Turkey to Mediterranean regions and Central Asia. The advanced flowering in species spreading through the Mediterranean area is well represented in the species C. biflorus, with autumn flowering subspecies in Greece and spring flowering subspecies in Turkey and N.W. Iran (Data from Mathew, 1982 [9]; Rukšāns, 2010 [8]; Fernández et al., 2011 [19]).