Lupinus × regalis is a hybrid between Lupinus arboreus and Lupinus polyphyllus, and a frequent garden escape.
Dalnaspidal (VC89: East Perthshire); 2019-07-02
Lupinus × regalis has more sharply pointed leaves than Lupinus polyphyllus and a shorter lower lip of the calyx than Lupinus nootkatensis.
All images copyright © Christopher J. Dixon unless otherwise indicated.