Dovrebbe trattarsi di L. polyphyllus Lindl o di un suo ibrido naturale https://www.inaturalist.org/taxa/59549-Lupinus-polyphyllus/browse_photos I miei testi dicono Introduced. Formerly grown in gardens and naturalised by rivers and railways, sometimes in waste places. Scattered records throughout Great Britain and in northeast Ireland. Native of western North America. Cultivated for ornament and fodder in a large part of Europe
Intrd-natd; formerly grown in gardens, natd by rivers and railways, sometimes in waste places; scattered in Sc, England; W N America. Recorded across BI but mostly in error for L. x regalis*. Flowers sometimes pink.