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What species are these cacti? Please Help!

Posted: Tue Jul 20, 2021 3:45 pm
by Cabella
Hello,
We are a small public Garden in Barcelona that frequently receive cactus and succulent plant donations.
Thank you in advance for help in determination of these cactus.
Cabella
Barcelona

Re: What species are these cacti? Please Help!

Posted: Tue Jul 20, 2021 5:20 pm
by Phil_SK
The third one might be Neobuxbaumia polylopha. I find these identifications really difficult just because I'm not used to seeing mature cereoid cacti. I'm sure I'm not alone.

Re: What species are these cacti? Please Help!

Posted: Tue Jul 20, 2021 8:29 pm
by David Neville
I think that both the first and third pix show Neobuxbaumia polylopha. Pic 2 looks to be something in the Borzicactus group (or the Borzicactinae). I think pic 4 could well be a species of Weberbauerocereus. There are other people active on this forum who are far more knowledgeable about columnar cacti than me, and I hope that they will respond in time.

Re: What species are these cacti? Please Help!

Posted: Tue Jul 20, 2021 8:50 pm
by fero
As David suggests for first a third, not sure about the other two .

Re: What species are these cacti? Please Help!

Posted: Thu Jul 22, 2021 6:48 am
by Cabella
Hi again,
Thanks a lot for your help, now I know a little more information about our cacti.
Cabella
Barcelona

Re: What species are these cacti? Please Help!

Posted: Sat Jul 24, 2021 10:22 am
by topsy
Hi,

Pics one and three are Neobuxbaumia polylopha, four is Vatricania guentheri and two I cannot help with.

Suzanne