That's probably I. orentalis. A spuria that doesn't go dormant (for me in DFW, anyway) is
'Belise.' Remind me this fall and I'll send you a piece.
--- In firstname.lastname@example.org, "Donald Eaves" <donald@...> wrote:
> I actually did some mowing after the photo was taken. Probably wouldn't
> make much difference since this is weedeating terrain. Spurias here are
> planted in the crevices between rocks on the edge of the hill and left
> alone. High on my wish list for things concerning iris would be that the
> foliage didn't go dormant. I like the reedy look of the spurias when they
> grow well. The foliage here is above 4' and I wish it would hang around
> until fall. I think this is the old common white one. The source was
> questionable and simply sold it as a species. It's always the first to
> bloom, but the others are beginning and nearly all are loaded with buds.
> Donald Eaves
> Texas Zone 7b, USA