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 ID Please ¿Mammillaria or Coryphantha?

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Camilo



Number of posts : 17
Registration date : 2014-06-07

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PostSubject: ID Please ¿Mammillaria or Coryphantha?   ID Please ¿Mammillaria or Coryphantha? Icon_minitimeThu May 14, 2020 9:47 pm

ID Please ¿Mammillaria or Coryphantha? 20200515
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Camilo



Number of posts : 17
Registration date : 2014-06-07

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PostSubject: Re: ID Please ¿Mammillaria or Coryphantha?   ID Please ¿Mammillaria or Coryphantha? Icon_minitimeThu May 14, 2020 9:49 pm

ID Please ¿Mammillaria or Coryphantha? 20200517
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Chris43
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Chris43

Number of posts : 1800
Age : 77
Location : Chinnor, UK
Registration date : 2008-07-16

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PostSubject: Re: ID Please ¿Mammillaria or Coryphantha?   ID Please ¿Mammillaria or Coryphantha? Icon_minitimeFri May 15, 2020 11:30 am

Most Coryphanthas have a groove all or part of the wat from the areole to the axil, and some have pronounced glands in the axil.So I think its a Mamm, but not sure which species yet. I'll try to get back to you in a bit.

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Camilo



Number of posts : 17
Registration date : 2014-06-07

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PostSubject: Re: ID Please ¿Mammillaria or Coryphantha?   ID Please ¿Mammillaria or Coryphantha? Icon_minitimeFri May 15, 2020 5:47 pm

Thanks Chris, very kind.
I also think it is a Mammillaria.
Could it be a sheldonii (pseudoalamensis-marnierana)?
The main stem is 12 cm high and 5 in diameter
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Chris43
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Chris43

Number of posts : 1800
Age : 77
Location : Chinnor, UK
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PostSubject: Re: ID Please ¿Mammillaria or Coryphantha?   ID Please ¿Mammillaria or Coryphantha? Icon_minitimeFri May 15, 2020 6:40 pm

That did cross my mind, but (and I'd need to check in my greenhouse in he morning) I think marnierana has only one central spine. Its overall shape you suggest something like sheldonii. I have two or three sheldonii variants with short straight central spines, but I think they all have just one. I've checked photos that I took on a field trip and I saw straight spined sheldonii variants in St Carlos Bay, east of Alamos, and near the village of Guirocoba. If they have a central spine (some didn't) there was only one. But with such variability, who knows. I guess its never flowered for you yet?

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Camilo



Number of posts : 17
Registration date : 2014-06-07

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PostSubject: Re: ID Please ¿Mammillaria or Coryphantha?   ID Please ¿Mammillaria or Coryphantha? Icon_minitimeFri May 15, 2020 7:35 pm

It is new in the collection, I still don't know the flowers.

Could be M. multidigitata or M. armillata?
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PostSubject: Re: ID Please ¿Mammillaria or Coryphantha?   ID Please ¿Mammillaria or Coryphantha? Icon_minitime

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