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. 2012 Oct;110(5):977–986. doi: 10.1093/aob/mcs171

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© The Author 2012. Published by Oxford University Press on behalf of the Annals of Botany Company. All rights reserved. For Permissions, please email: journals.permissions@oup.com

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Fig. 2. — Ploidy variation and taxonomic composition of 141 studied populations of the Gymnadenia conopsea complex in Europe. (A) Diploid populations (either ploidy-uniform or with the presence of minority cytotypes). Intrapopulation taxonomic heterogeneity is indicated by mixed colours. (B) Tetraploid (squares) and mixed 2x–4x (triangles) populations. Intrapopulation taxonomic heterogeneity is indicated by mixed colours. (C) Populations harbouring minority cytotypes (3x, blue; 5x, yellow; 6x, red). The presence of both majority ploidies (2x and 4x) is illustrated by a circle, whereas triangles illustrate exclusive di- or tetraploid populations. Co-occurrence of different minority cytotypes is indicated by mixed colours. Arrows indicate populations in which an additional cytotype (most probably diploid) is predicted (sympatry of 3x + 4x or 4x + 5x). Taxa abbreviations in (A) and (B): 2B, 2x G. borealis; 2C, 2x G. conopsea; 2D, 2x G. densiflora; 2F, 2x G. frivaldii; 2O, 2x G. odoratissima; 2Sp, undetermined diploid from France; 4C, 4x G. conopsea; 4Sp, undetermined tetraploid from France.

Fig. 2. — Ploidy variation and taxonomic composition of 141 studied populations of the Gymnadenia conopsea complex in Europe. (A) Diploid populations (either ploidy-uniform or with the presence of minority cytotypes). Intrapopulation taxonomic heterogeneity is indicated by mixed colours. (B) Tetraploid (squares) and mixed 2x–4x (triangles) populations. Intrapopulation taxonomic heterogeneity is indicated by mixed colours. (C) Populations harbouring minority cytotypes (3x, blue; 5x, yellow; 6x, red). The presence of both majority ploidies (2x and 4x) is illustrated by a circle, whereas triangles illustrate exclusive di- or tetraploid populations. Co-occurrence of different minority cytotypes is indicated by mixed colours. Arrows indicate populations in which an additional cytotype (most probably diploid) is predicted (sympatry of 3x + 4x or 4x + 5x). Taxa abbreviations in (A) and (B): 2B, 2x G. borealis; 2C, 2x G. conopsea; 2D, 2x G. densiflora; 2F, 2x G. frivaldii; 2O, 2x G. odoratissima; 2Sp, undetermined diploid from France; 4C, 4x G. conopsea; 4Sp, undetermined tetraploid from France.