Whats blooming in the park this week.. is this a Moraea?
Leo A. Martin (Sun, 11 Nov 2012 09:45:49 PST)

I also agree this is Moraea polystachya. This summer-dormant plant
naturalizes in Phoenix area gardens that receive year-round water and
blooms all winter. It does not spread to the non-summer-irrigated
environment here.

Leo Martin