It does appear to be a Crinum but there are so many hybrids that look alike to me. My first thought was C. bulbispermum: Crinum (Crinum bulbispermum) but it look a lot like Crinum 'Milk and Wine' too: Crinum 'Milk and Wine'
~ I'm an old gal who still loves playing in the dirt!
~ Playing in the dirt is my therapy ... and I'm in therapy a lot!