Undesired hybridization between pattypan and courgette

Undesired hybridization between pattypan and courgette

My pattypans aren’t looking like pattypans this year. What happened? I harvested the seed from pattypan plants I grew last year. Not far away from my growing area, zucchini plants were grown. Courgettes (zucchinis) and pattypan are groups of cultivars belonging...