Does look like a frosty pink - one of the old stalwarts. But as jesus said, it could be any. I had a frosty pink years ago, and the blooms looked like that, kind of a "quilted" look. I always enjoyed it - and don't know why I don't have one now. It was always one of the most strongly scented brugs I had. Roses. Always smelled like roses to me. Thank you for the beautiful pics - I think I'll get one for myself. (Short/small brug, stays a manageable size.)

It sounds in a way similar to a chickadee to me - a two-note, descending melody - but distinct enough that I can't possibly see that it could be one unless I've got mutant chickadees in the woods at work.

There are two types of I pallida. One that is variegated and one that is not. I have the one that is not variegated. It smells like grape candies.

Meh, I don't know lol It may be a hybrid of mirabilis and retusa. It can even be a cross between different mirabilis varieties. What it isn't is cooperi. Mirabilis tend to have slight bumps (tubercles) on the surface and the back of the leaves. Those that do have smooth surfaces tend to not have hairs on the leaf margins. Retusas tend to be very smooth and dark green in the shade and red when grown in the sun, except the nigra variety which sometimes has tubercles. Neither has hairs on the leaf margins. Or, more likely, it came down so far from a variety of different species that it will be impossible to ID it for sure. The bottom line is that, there is no short cut to growing it for several seasons and seeing how it behaves when it isn't etiolated, over-watered or over-fertilized. Then narrow down the possibilities further by finding out whether it clumps or not; further down to what time of the year it blooms (early or late in the growing season?). Then, test what it looks like when it gets full sun vs what it looks like in the shade (different ssps, vars and/or affs behave differently under different light, water, nutrient, temperature conditions). Even then, you may only be able to guess the parentage (i'm fairly sure it's a hybrid and that still may be wrong). If it was from an open-pollinated plant, you'll have to guess what could also be blooming at the same time. Haworthias are annoying like that. I personally think identification based on morphology is a lost cause. If anyone ever gets to mapping these genes, I bet we'll all be shocked.