Westes,
I had a plant that looked like that, with the caudex dimpled in ridges. I left it alone to see whether the plant would correct itself. When it didn't, I pulled it out of the soil and found that the roots had completely atrophied, very likely due to sudden temperature change.
I cut off the hardened roots and found very healthy white tissue. I'm assuming you have checked the roots by now. Here is the diagram for centipede roots if you need to reroot:
If it were my plant, I'd take a few branch cuttings and root those just in case. Not all cutting will root, so take a few. Cut off at an angle, leaving a node on the plant at the top of your cut and another at the bottom. This will ensure the best branching. This is Martin's drawing on proper pruning, which I share with everyone because it's the best I've seen and a disservice not to share with our family here:
Now cut the branches you removed straight across ... You want the bottom flat. Just dip the cut end in rooting hormone and place in dry soil away from sunlight until you see evidence of new growth. Then begin to water and acclimate to more light. You can apply the above technique to branch cuttings, as well.
All the very best to you.
Maria Elena
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for portion outside master bedroom
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