September 21, 2025New PhytologistOpen Access

Multiple hybrid zones involving four Cardamine species and their triploid progeny: watching allopolyploid speciation in action?

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This research investigates hybrid zones and interspecific gene flow in Cardamine species, suggesting significant evolutionary implications.

Extensive interspecific hybridization in Cardamine involves four parental species and triploid offspring.
Hybrid zones reveal the recurrent origins of both autotriploids and allotriploids, integrating different parental genomes.
Cardamine rivularis produces unreduced female gametes, driving diverse triploid formation and suggesting evolutionary potential.
Significant genetic variation, partial fertility, and efficient clonal spread in hybrids indicate mechanisms shaping polyploid evolution.

Zozomová‐Lihová et al. (2025) studied this question.

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September 21, 2025New PhytologistOpen Access

View Full Paper

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Authors

This research investigates hybrid zones and interspecific gene flow in Cardamine species, suggesting significant evolutionary implications.

Extensive interspecific hybridization in Cardamine involves four parental species and triploid offspring.
Hybrid zones reveal the recurrent origins of both autotriploids and allotriploids, integrating different parental genomes.
Cardamine rivularis produces unreduced female gametes, driving diverse triploid formation and suggesting evolutionary potential.
Significant genetic variation, partial fertility, and efficient clonal spread in hybrids indicate mechanisms shaping polyploid evolution.

Zozomová‐Lihová et al. (2025) studied this question.

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