does anyone know what flower this is?

We recently purchased a home in south eastern Florida, USA that has over a 100 established plants in the yards. This one is really strange and has us baffeled. We are new to plants and gardening but eager to learn.

 

Gloriosa or something quite similar.

 

thanks so much.... just that one word was enough to do a google search. the one that came closest was the Gloriosa rothschildiana again...thank you!!