Four unknowns

If you have a cactus plant and need help identifying it, this is the place to post it.
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kahepo
Posts: 9
Joined: Mon Mar 20, 2023 9:12 pm
Location: Finland

Four unknowns

Post by kahepo »

Could you give me some help with identifying these four plants, please? If I got a hint of the genera, I could go on thinking about species by myself. Thank you.
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nachtkrabb
Posts: 1551
Joined: Tue May 23, 2006 7:07 pm
Location: Stuttgart, Germany

Re: Four unknowns

Post by nachtkrabb »

Please try again, when they are a bit grown. It is always the same problem: cacti look so different when a seedling -- a child -- a youngster -- an adult -- an old plant, that you often would give them different names.
So sorry...
N.
Love and Revolution!
...and still more cacti.
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Tom in Tucson
Posts: 435
Joined: Sun Jan 02, 2022 4:12 pm
Location: NW Tucson AZ area

Re: Four unknowns

Post by Tom in Tucson »

Warning! 4 wild guesses

Notocactus uebelmannianus
Echinopsis hybrid
Cleistocactus icosagonus
Hamatocactus setispinus
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nachtkrabb
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Location: Stuttgart, Germany

Re: Four unknowns

Post by nachtkrabb »

...I am impressed.
Love and Revolution!
...and still more cacti.
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Carpkel
Posts: 94
Joined: Sun May 20, 2018 4:46 am
Location: Near Cleveland, Ohio zone 6a

Re: Four unknowns

Post by Carpkel »

I agree with Tom in Tucson about the fourth cactus. I have seen it identified as a thelocactus setispinus. This cactus will have nice flowers.
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7george
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Re: Four unknowns

Post by 7george »

The image is not very clear but second one can be a Coleocephalocereus aureus.

They all look like recently brought from a store.
If your cacti mess in your job just forget about the job.
°C = (°F - 32)/1.8
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anttisepp
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Location: Suomi - Finland

Re: Four unknowns

Post by anttisepp »

Second is Acanthocalycium violaceum.
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