Oron, You're too kind to me - I know far too little about lily hybrids, though I do grow a lot of the wild species.
So I sent Daisy's picture to
the UK's expert on lily hybrids, Richard Hyde. This is what he thought:
The pedicel is far too wide for Monalisa, judging from the colour of the newly opened flower I would say Acapulco, this is a tall growing oriental hybrid.You can see Richard's website, an absolute treasure-trove of lilies, by clicking
here.