Help! Can you help me identify this plant... It's iris!

We moved into our new home in Camp Verde, AZ in July.  In one of the 2 gardens had a fan shaped multi-leaf plant.  They stayed green all winter (only got down to 22° F).  They have what appeared to be bulbs, but have a fairly significant root structure growing down from the bulbs.  They seem to spread by extending the bulblike structure.  They also have a significant mass of tiny roots, to catch more water, I guess.
The leaves come out from a central structure, are flat and thin, almost like some cacti.

What does it appear to be?

Perhaps an iris? That's what it most looks like to me.

Iris is what came to my mind almost immediately.

I agree with iris.

Hi Mark,
Yep, it's an iris. We have them all over the Verde Valley. Only bloom for 4-6 weeks in March/April but the deer in my front yard eat all the blooms within the first week. Come in purple, white and yellow mostly. Then they're just green/ brown the next 11 months of the year. They spread and multiply like crazy here if they get a little bit of water. If the clump of iris gets too thick they don't bloom so much so every few years I thin them out and replant the extras somewhere else. 8 years ago I took the extras (about 50) and planted just 1-2 each all around my front yard. Within 3 years they turned into hundreds. Welcome to the Valley.