I was thinking that myself Darryl, but I couldn't find any matching pictures on Google images at least so it's hard to tell. It certainly seems like a reasonable genus to place it in though.

It produces dragon fruit as well but I don't know if they're self fertile or you need another plant to cross pollinate with for this.

I don't think it's Facheiroa sp. Pilif, it has some differences and I'm not sure being Brazilian that they'd survive the sub-zero temperatures that this plant has! This said I can certainly see some similarities too!

It's Gordon Foster's collection at his nursery in Barnsley, England.

There were some photos from his open day a couple of years ago on the BCSS forums here:

http://www.bcss.org.uk/foruma/viewtopic ... ne#p138265

I've been growing Melocactus from seed for about 2 years now, I have about 30 of 35 distinct species, and then about 20 more subspecies growing from seed. Alas I recently moved house and they're all currently staying at my parents until I get my new greenhouse, but when I do I can provide photograph...

I've been looking for a while through various sources of Columnar cacti to try and match a name to this one. Can anyone give any clues? http://www.cactiguide.com/forum/userpix/4519_IMG_1378_1.jpg The bottom of the picture is the base of the plant so it doesn't offset from the base. The plant is abou...