Thank you all for the responses. I've googled photos of Echinopsis subdenudata with less wooly areoles and now understand that the wooly ones are cultivar and seem to be more common (in Google). With regards to the Gymnocalycium, it seems that its naming was subject to some controversy. I've found a...

Hello, I recently acquired these two cacti. The first is sold by the seller as Echinopsis subdenudata but there are slight differences with photos I've found on the internet: 1. less wooly areoles and 2. lighter shade of green. Please let me know if I'm nitpicky and that this is not a different Echi...

My interest in cacti and succulents was recently reignited after finding my balcony resembling a cacti graveyard due to a long period of neglect towards my small c&s collection (I know, shame on me). I have repotted what's left of them (gasteria batesiana, euphorbia decaryi, echeveria pulvinanta...