On Thu, 12 May 2011 18:00:08 +0200, Willi wrote:

Am 12.05.2011 14:33, schrieb Bob Hobden:
Had this Cactus for about 40 years, given to me by an elderly lady who
said she could not get it to flower. The original large plant flowered a
couple of years ago whilst we were away (Sod's law!!) but now the
offshoot is flowering. Anyone with knowledge of cacti know what this is?

http://www.flickr.com/photos/bobhobd...57626703667192

Very nice. It might be a variety of Echinopsis (maximiliana?).

Greets Willi
It looks like some here.
http://www.cactus-art.biz/schede/LOB...a_v_westii.htm