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kay · 13-05-2011, 01:06 PM

Quote:

Originally Posted by Chris Hogg

On Thu, 12 May 2011 22:56:15 +0100, "Bob Hobden"
wrote:

"Chris Hogg" wrote...

My best guess would be Lobivia formosa, but could also be L. jajoiana
or L. haematantha or L. pentlandii or L. cinnabarina. I wouldn't know
how to distinguish one from the other.

Or it could be a hybrid, of which there are lots AIUI, especially
between Trichocerus, Echinopsis and Lobivia.

I too am coming round to thinking it's a Lobivia, considering it's age is a
hybrid still a possibility?

Don't know anything about hybrids, but I imagine people have been
hybridising them for as long as they've been collecting them. Google
for echinopsis hybrids and you'll find hundreds of examples.
Cultivar: issue 6 (28) gives a bit of
history, and suggests hybridising has been going on well before WW2.

40 years ago takes us back to the 70s, which was when I was growing cacti with more enthusiasm. My memory of that time was that there were some large flowered hybrids of Echinopsis becoming available, and I think Epiphyllum hybrids, but not a lot else.