DaisyI said:An impulse buy from the local supermarket today. Its labeled Mammillaria elongata montrose. I'm torn about whether that ID is accurate or not. It seems to me it should be a little more golden.
When we were in north-central Mexico (which is where M. elongata is from) we saw a bunch of different versions in botanical gardens... mostly straw colored spines.
There are variations in cultivation which stray pretty far from that. Pilbeam says "in cultivation the variation in spine color of both subspecies is legion". "Copper King" is golden brown. I have a red-spined (and red-flowered) version which may have some hybrid blood.
I do like the white-spined version, monstrose or not.