I'm fairly confident that it's rhodotricha. The inside of the flower is quite typical of rhodotricha and leucantha, but the short spines point to rhodotricha.

International Cactus and Succulent Zoom meeting (2 talks) Topic: BCSS/DKG Special Meeting Time: Saturday 10 Apr 2021 7:00pm BST Join Zoom Meeting https://us02web.zoom.us/j/85154194099?pwd=YXozZlFkSWY3MG1rS28rYWZoVXBYQT09 Meeting ID: 851 5419 4099 Passcode: cactus Thomas Brand - Uncommonly mean - thr...

I'm sure nobby can comment when he sees this but I remember reading (or hearing, at the TSG meeting?) that they wouldn't publish any further paper books. I love the Austrocactus book and was astonished at the quality for the price. I have a growing number of ebooks and ejournals that I'd prefer on p...

Available from Elisabeth & Norbert's site, http://cactus-de-patagonia.de/literatur

Topic: Derek Tribble – Eight Days in Namibia 2007 Time: Tuesday 6 April 2021 7:30pm (BST) Meeting ID: 833 3167 2547 Passcode: bcss Join Zoom Meeting https://us02web.zoom.us/j/83331672547?pwd=MzFhQ2VKazdOeGZjaUEvaUdUclpHdz09 After umpteen visits to photograph succulents in Southern Africa, I was keen...

Tony R wrote: ↑

Mon Apr 05, 2021 4:31 pm

Or even a Rapicactus beguinii
Like the valdezianus discussed a few days ago, there are many names you could use.

Stuart wrote: ↑

Mon Apr 05, 2021 9:08 am

Yep, not a Thelocactus.

Thelocactus beguinii is one of the many names you could use

There is a photo with the first description: https://www.biodiversitylibrary.org/ite ... 9/mode/1up

I recommend whatever your strombocactus is in if it works for you. I'm always uncomfortable recommending a soil mix, as what works for one grower mightn't work for another. My repeated failures with plants in JI soils demonstrates this all too well. That said, I've been using 1:1 grit and moler sinc...

I'm picking Jim's Kalanchoe tomentosa (first pic) as the winner! Despite multiple ailments, the plant has a certain grace with its alternately leaning stem, and this makes for an attractive photo composition. This Kalanchoe tomentosa looked slightly better before I moved it so that I could photograp...

I think, as well, I'd expect to see flowers at the tips of the branch-end segments.