A bit more info: The rose bush is almost 5' tall and ~3' wide. The flowers are in clusters at the end of long stems. The spring flush had clusters of 4 or 5 and flowers about 4" across. This second flush has smaller flowers that are single or in clusters of two or three.

Someone must know.

Hi Sheila, I'm hoping so, but if not, that's OK too.

The property was purchased from the estate of a 98 year old who had owned it since built in 1962. There was evidence throughout the yard and old greenhouses that at one time there had existed many roses here, but this was the only one still living by the time I came to own this desert property, probably because it was near a rain gutter.

I'm not convinced I want to put the effort into it because it seems to get thrips damage every single flower every single time. But the bees adore it. If I find out what it is I can make a more educated decision about whether to keep or SP, clearly it's very drought tolerant. It flowers heavily IMO with hardly any rest between flushes and is growing in poor lean soil and I've never fertilized it. Earlier today I took a cutting to see if it will root just for the experiment. It's kind of like being a rose rustler in my own backyard. :)

I would keep it because it is the only survivor. Good idea on the cutting.

It sounds like a very robust survivor rose worth keeping. Does it have fragrance?

Agree ^^^. All the more reason to keep it and restore it to full health.

it reminds me of Mint Julep

https://www.helpmefind.com/rose/l.php?l=21.332206

Thanks very much for your input, all of you. I'm much more appreciating the idea of saving it since posting and hearing your thoughts.

I'm not sure if it has fragrance, I'll check tomorrow. The green that is showing up in the photos is really a yellow with green undertones, it doesn't read as green in person, I'm going to try and get a better photo with new blooms.

What's interesting is that the bloom that I saw today had just opened and it had zero thrip damage--the first ever-- but there were aphids on the bud. Maybe aphids eat thrips? Sometimes I feel like gardening is a real-life game of Rock, Paper, Scissors. (Or, for any Big Bang Theory fans: Rock, Paper, Scissors, Lizard, Spock).

I'll keep it and nurture it and name it Mr. Ali's Rose (after the previous owner) until someone IDs it :)

Again, thank you all very much, very appreciated.

An update for posterity: I finally removed this rose yesterday. I found the tag on the rose at the base and it was 'Mom's Rose', commercial name 'WINmom'. Mystery solved.

It was very hardy and bloomed fairly frequently with attention but a good-looking bloom was just too few and far between and it was in a prominent position with mountain views as a backdrop. I've replaced it with a Star of the Nile from my pot enclave.