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May 18, 2020 2:42 PM CST

Hello again friends, does anybody know what sort of cactus this is?

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May 18, 2020 6:07 PM CST
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Name: Thijs van Soest
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It is a pilosocereus... the whool down the sides should allow you to figure out which specific one.
It is what it is!
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May 18, 2020 9:02 PM CST
Name: Stefan
SE europe(balkans) (Zone 6b)
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cereus forbesii
https://images-na.ssl-images-a...
quad-ribs, black spines.
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May 18, 2020 11:02 PM CST
Moderator
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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cereus do not have hairs this one does.
It is what it is!
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May 18, 2020 11:09 PM CST
Name: Stefan
SE europe(balkans) (Zone 6b)
Cactus and Succulents Sempervivums Bromeliad Adeniums Bookworm Sedums
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There is no quad-ribbed pilosocereus. On top of that plenty of pilosocerei dont pop out hairs until they are adults...some not at all
https://www.gardentags.com/pla...
https://i.pinimg.com/originals...
https://www.kakteen.ch/wp-cont...
https://www.cactus26.com/1131-...
https://www.giromagicactusands...
also know under cereus vallidus
https://s3.amazonaws.com/plant...
https://cdn.shopify.com/s/file...
https://i.pinimg.com/originals...
https://www.cactiguide.com/gra...
They all cannot be wrong....
Last edited by skopjecollection May 18, 2020 11:11 PM Icon for preview
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May 18, 2020 11:11 PM CST
Name: Stefan
SE europe(balkans) (Zone 6b)
Cactus and Succulents Sempervivums Bromeliad Adeniums Bookworm Sedums
Tropicals Fruit Growers Foliage Fan Orchids Bulbs Apples
Also, pilosocerei are tuberculate...this isnt...
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May 18, 2020 11:13 PM CST
Moderator
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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But this one does have hairs... show me a cereus forbesii picture with hairs... This is a young plant that will get more ribs as it grows.
It is what it is!
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May 18, 2020 11:21 PM CST
Name: Stefan
SE europe(balkans) (Zone 6b)
Cactus and Succulents Sempervivums Bromeliad Adeniums Bookworm Sedums
Tropicals Fruit Growers Foliage Fan Orchids Bulbs Apples
mcvansoest said:But this one does have hairs... show me a cereus forbesii picture with hairs... This is a young plant that will get more ribs as it grows.


You do realize juvenile e.texensis are a lot more fuzzy than their adult counterparts, right?
http://www.cactus-art.biz/cata...
https://mesagarden.com/wp-cont...
Ive shown you matches of the plant.
YOU show me a pilosocereus seedling with 4 ribs and hair....
All i see are misnomers of plants ive allready owned(magnificus, pachycladus and leucocephalus, which DO NOT look like this)
Last edited by skopjecollection May 18, 2020 11:24 PM Icon for preview
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May 18, 2020 11:28 PM CST
Name: Stefan
SE europe(balkans) (Zone 6b)
Cactus and Succulents Sempervivums Bromeliad Adeniums Bookworm Sedums
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I forgot to mention: did you forget about the monstrose cerei? They are also quite fuzzy...
Last edited by Abigail May 17, 2021 2:42 PM Icon for preview
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May 18, 2020 11:32 PM CST
Name: Stefan
SE europe(balkans) (Zone 6b)
Cactus and Succulents Sempervivums Bromeliad Adeniums Bookworm Sedums
Tropicals Fruit Growers Foliage Fan Orchids Bulbs Apples
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May 19, 2020 12:46 AM CST
Moderator
Name: Baja
Baja California (Zone 11b)
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I'm not sure what E. texensis has to do with this, and I'm not seeing hair on any of those pictures. Shrug!
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May 19, 2020 12:48 AM CST
Name: Stefan
SE europe(balkans) (Zone 6b)
Cactus and Succulents Sempervivums Bromeliad Adeniums Bookworm Sedums
Tropicals Fruit Growers Foliage Fan Orchids Bulbs Apples
I still havent seen a pilosocereus with 4 ribs
And a lot of the photos do have hairs....depedning on how you want to look at it
Last edited by skopjecollection May 19, 2020 12:50 AM Icon for preview
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May 19, 2020 12:53 AM CST
Moderator
Name: Baja
Baja California (Zone 11b)
Cactus and Succulents Seed Starter Xeriscape Container Gardener Hummingbirder Native Plants and Wildflowers
Garden Photography Region: Mexico Plant Identifier Forum moderator Plant Database Moderator Garden Ideas: Level 1
skopjecollection said:I still havent seen a pilosocereus with 4 ribs


According to my cactus reference (Anderson), there are 6 species of Pilosocereus which may have 4 ribs when mature (names available upon request), and yet more which may have 4 ribs when immature. I recommend relying on a reputable source to back up your own experience. Just because you haven't seen it doesn't mean that it doesn't exist.

skopjecollection said:And a lot of the photos do have hairs....depedning on how you want to look at it


No, there are no hairs in those last two pictures, no matter how you look at it (unless maybe you used a microscope). None.
Last edited by Baja_Costero May 19, 2020 1:04 AM Icon for preview
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May 19, 2020 12:59 AM CST
Name: Stefan
SE europe(balkans) (Zone 6b)
Cactus and Succulents Sempervivums Bromeliad Adeniums Bookworm Sedums
Tropicals Fruit Growers Foliage Fan Orchids Bulbs Apples
Baja_Costero said:

According to my cactus reference (Anderson), there are 6 species of Pilosocereus which may have 4 ribs when mature (names available upon request), and yet more which may have 4 ribs when immature. I recommend relying on a reputable source to back up your own experience. Just because you haven't seen it doesn't mean that it doesn't exist.



No, there are no hairs in those last two pictures, no matter how you look at it (unless maybe you used a microscope). None.

You seem to be forgetting 2 important factors: how many of those species are available in mass cultivation, and how many look like these?
Define" reputable"
Last edited by Baja_Costero May 19, 2020 1:04 AM Icon for preview
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May 19, 2020 1:08 AM CST
Moderator
Name: Baja
Baja California (Zone 11b)
Cactus and Succulents Seed Starter Xeriscape Container Gardener Hummingbirder Native Plants and Wildflowers
Garden Photography Region: Mexico Plant Identifier Forum moderator Plant Database Moderator Garden Ideas: Level 1
I am not here to argue with you about reputability, Stefan. I am trying to help the original poster.

Pilosocereus species with 4 ribs (or more):

brasiliensis, catingicola, floccosus, fulvilanatus, oligolepis, pentaedrophorus

plus I would not exclude species with more ribs, as these may be immature plants. What Thijs said earlier.
Last edited by Baja_Costero May 19, 2020 1:09 AM Icon for preview
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May 19, 2020 11:17 AM CST
Moderator
Name: Thijs van Soest
Tempe, AZ (Zone 9b)
Region: Arizona Enjoys or suffers hot summers Cactus and Succulents Xeriscape Adeniums Hybridizer
Plant Identifier Plant and/or Seed Trader Cat Lover Dog Lover Lover of wildlife (Black bear badge) Lover of wildlife (Raccoon badge)
I just bought the exact same plant at IKEA. Not labeled in any useful manner, but they are way too hairy to be any kind of Cereus.

Clearly someone has mass produced these, but did not bother to send them out with a proper identification.
It is what it is!
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