Plant ID forum: Cacti ID

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Name: Lindsey
Ohio (Zone 6a)
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ljones26
Jul 5, 2016 11:56 AM CST
I know I am blowing up this forum, but can you ID these for me? Haha thank you!



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Name: Daisy
Reno, Nv (Zone 6b)
Not all who wander are lost
Garden Sages Plant Identifier
Image
DaisyI
Jul 5, 2016 5:19 PM CST
It could be Coryphantha. Definitely not Mammillaria.
Name: Thijs van Soest
Mesa, AZ (Zone 9b)
Adeniums Enjoys or suffers hot summers Cactus and Succulents Container Gardener Hummingbirder Xeriscape
Region: Arizona Region: Southwest Gardening Seed Starter Plant and/or Seed Trader Cat Lover Dog Lover
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mcvansoest
Jul 5, 2016 11:37 PM CST
Sorry, Daisy, but I disagree. Number 1 looks a lot like one of the Mammillaria haageana subsp. I think #2 is also a Mammillaria, having a harder time putting a name to it and no time to dive into my Mammillaria books, but they look way more like Mammillarias than Coryphanthas to me. #2 especially also looks like it could use more light, but both are looking nice an healthy.

Lindsey, can you tell us where you got them? Cactus nursery, big box store, on-line? I rarely see Coryphanthas at the big box stores in my area, plenty of Mammillarias though.
Name: Lindsey
Ohio (Zone 6a)
Image
ljones26
Jul 6, 2016 4:28 AM CST
Thank you!!! I just bought them a few days ago....from ALDI!!! Hahah I normally get mine all from a nursery, but while I was grocery shopping I saw they had cacti and succulents, so I bought every single one they had!
Name: Daisy
Reno, Nv (Zone 6b)
Not all who wander are lost
Garden Sages Plant Identifier
Image
DaisyI
Jul 6, 2016 5:05 PM CST
I suggested Coryphantha for the first one because I can't see any tufts between the tubercles. And because the central spine does not have a hook. It doesn't seem very Mammillaria like to me without those two features. I know not all Mamm's have a hook (but the ones with a central spine like that do seem to have hooks) but they do all have tufts or bristles or... between the tubercles.

I said #2 was a Mamm. assuming it is the one listed separately later. If not, looks like there are tufts down there so Mammillaria. Smiling

Daisy
Name: Lindsey
Ohio (Zone 6a)
Image
ljones26
Jul 6, 2016 6:25 PM CST
I can add more pictures that are up close of each! (:
Name: Daisy
Reno, Nv (Zone 6b)
Not all who wander are lost
Garden Sages Plant Identifier
Image
DaisyI
Jul 6, 2016 8:13 PM CST
That would be great!
Name: Lindsey
Ohio (Zone 6a)
Image
ljones26
Jul 8, 2016 11:31 AM CST
Here are some closer images!

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Name: Daisy
Reno, Nv (Zone 6b)
Not all who wander are lost
Garden Sages Plant Identifier
Image
DaisyI
Jul 8, 2016 6:18 PM CST
I think I see some tufts between the tubercles. If my eyes are not playing tricks, its a Mammillaria. But wait... that's the second cactus with light central spines. I thought that was Mammillaria.

Please add close ups of the cactus with the dark central spines.
Name: Lindsey
Ohio (Zone 6a)
Image
ljones26
Jul 8, 2016 6:28 PM CST
Cactus #1 in the blue pot:

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Cactus #2 on the brown pot:

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Name: Thijs van Soest
Mesa, AZ (Zone 9b)
Adeniums Enjoys or suffers hot summers Cactus and Succulents Container Gardener Hummingbirder Xeriscape
Region: Arizona Region: Southwest Gardening Seed Starter Plant and/or Seed Trader Cat Lover Dog Lover
Image
mcvansoest
Jul 8, 2016 7:26 PM CST
Compare your brown pot one to this:

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Name: Lindsey
Ohio (Zone 6a)
Image
ljones26
Jul 8, 2016 7:28 PM CST
That does look a lot like that picture, Thijs!
Name: Thijs van Soest
Mesa, AZ (Zone 9b)
Adeniums Enjoys or suffers hot summers Cactus and Succulents Container Gardener Hummingbirder Xeriscape
Region: Arizona Region: Southwest Gardening Seed Starter Plant and/or Seed Trader Cat Lover Dog Lover
Image
mcvansoest
Jul 8, 2016 7:33 PM CST
Looking at both plants, they could be different subspecies of the same Mammillaria species... the number of central spines is variable among them
Name: Lindsey
Ohio (Zone 6a)
Image
ljones26
Jul 8, 2016 7:41 PM CST
what is the species in your photo?
Name: Thijs van Soest
Mesa, AZ (Zone 9b)
Adeniums Enjoys or suffers hot summers Cactus and Succulents Container Gardener Hummingbirder Xeriscape
Region: Arizona Region: Southwest Gardening Seed Starter Plant and/or Seed Trader Cat Lover Dog Lover
Image
mcvansoest
Jul 8, 2016 7:51 PM CST
It is Mammillaria haageana. Not quite sure about the exact subspecies, most likely ssp. san-angelensis.

Name: Lindsey
Ohio (Zone 6a)
Image
ljones26
Jul 8, 2016 8:00 PM CST
Thank you so much!!
Name: Daisy
Reno, Nv (Zone 6b)
Not all who wander are lost
Garden Sages Plant Identifier
Image
DaisyI
Jul 8, 2016 11:48 PM CST
Mammillaria have only one characteristic they don't share with any other genus: tufts or bristles or ? at the base of the tubercles. That is were the flowers form. If you see any little tufts, bristles... at the base of the tubercles, it is a Mammillaria.

Its now up to you Lindsey. Your photos are great but you are looking at the plant. A photo can't replace that. Are they both Mammillaria?

Daisy
Name: Lindsey
Ohio (Zone 6a)
Image
ljones26
Jul 9, 2016 6:05 AM CST
Is there any way you could show me what these tufts look like on a mammillaria? Thank you!
Name: Thijs van Soest
Mesa, AZ (Zone 9b)
Adeniums Enjoys or suffers hot summers Cactus and Succulents Container Gardener Hummingbirder Xeriscape
Region: Arizona Region: Southwest Gardening Seed Starter Plant and/or Seed Trader Cat Lover Dog Lover
Image
mcvansoest
Jul 9, 2016 8:47 AM CST
Good point, Daisy!

Look at the 2nd detailed photo of your first plant. Top center left between the spines you will see a bit of wooly white 'hair' in between the tubercles - which carry the spines.
In your second plant it is not as easy to see but it looks like it may have it too.

Some Mammmillaria have this wool in profusion and year round, whereas in many others, these tufts of wooly white hair tend to be way more pronounced as the plant builds up to flowering, flowers and then shortly after, in the non flowering period they diminish in prominence or sometimes almost completely disappear until the next flowering cycle.

The M. haageana I posted a picture of shows a very small increase in the tufts when it flowers, but it is pretty sparse. However this is another one - just a different ssp. (likely ssp. elegans) that clearly shows the tufts very prominently in the band with the flowers and much diminished outside of those bands.


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Name: Lindsey
Ohio (Zone 6a)
Image
ljones26
Jul 9, 2016 7:02 PM CST
Okay I have examined both.... and the verdict is that they are both mammillaria!

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