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Name: Thijs van Soest
Tempe, AZ (Zone 9b)
Region: Arizona Enjoys or suffers hot summers Cactus and Succulents Xeriscape Adeniums Hybridizer
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Feb 2, 2016 10:46 AM CST
I am not sure this is actually F. emoryi ssp. rectispinus. This cactus has bristly radial spines, which F. emoryi ssp. rectispinus does not have (compare to the other 2 database pictures posted). Not sure what this is instead, but given the location the pictures was taken I would guess F. cylindraceus or something along those lines - which does have the bristly radial spines.

It is what it is!
Name: Baja
Baja California (Zone 11b)
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Native Plants and Wildflowers Garden Photography Region: Mexico Plant Identifier Forum moderator Plant Database Moderator
Sep 16, 2019 8:16 PM CST
I would guess cylindraceus instead of rectispinus because of the spines, but that's a non-expert opinion. The spines are not a match for rectispinus as I understand the plant.

Karen, would you have a problem if we moved this image to the generic Ferocactus entry? Or can someone more expert than myself confirm cylindraceus? I'm reviving this old thread because I think we should take action here.

Thank You!
Name: Karen
New Mexico (Zone 7b)
Region: New Mexico Region: Arizona Cactus and Succulents Plant Identifier Plays in the sandbox Greenhouse
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Sep 16, 2019 9:21 PM CST
It's fine to move it, Baja. I don't know how I missed this, Thijs. I never saw it. I've actually had quite a few of the Botanical garden ID's questioned.
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