Which Mam?

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Aloenut
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Which Mam?

Post by Aloenut » Sun Jun 14, 2009 7:39 pm

Hi All,

I was given this Mammillaria at my local branch meeting on the weekend. It came without a label.

Using Pilbeam I have narrowed it down to either the short spined form of Mam huitzilipochtii or crucigera:

[attachment 19262 Mam.JPG]

Can anyone confirm which.

Thanks
Aloenut
(Yes, I do have a few cacti!)
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Diane
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Re: Which Mam?

Post by Diane » Sun Jun 14, 2009 8:16 pm

Hi Aloenut, yes, they are very similar in appearance, I think I'd be inclined to say M. huitzipochtli, as it might just be producing centrals? A bit early to say, really, at this size, M. crucigera will often start to divide dichotomously, and there is no sign of that on your plant.
Diane - member of Kingston branch

Growing cacti - balm to the soul!
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Chris43
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Re: Which Mam?

Post by Chris43 » Sun Jun 14, 2009 8:35 pm

Yes, you are right, Diane, there are short black centrals on a number of the upper areoles, clear when viewed at 200% in the browser. So definitely huitzilopochtlii.
Chris, Chinnor, Oxon, UK
Owner of a National Collection of the genus Mammillaria.
BCSS High Wycombe Branch.
Happy for other Forum members to drop by - pm first.
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Tony R
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Re: Which Mam?

Post by Tony R » Sun Jun 14, 2009 8:55 pm

Yes, Diane. Like Chris, I blew the image up to see the beginnings of black centrals. While I went outside (it's not quite dark yet!) to take a photo (snapshot) of one of my plants, Chris replied to you. Here is the photo anyway - as an adult - one of my favourite mamms.....
[attachment 19271 huitzilopochtlii_140609.jpg]
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Tony Roberts
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(Gasteria, Mammillaria, small Opuntia, Cleistocactus and Sempervivum are my current special interests)
Aloenut
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Re: Which Mam?

Post by Aloenut » Mon Jun 15, 2009 5:37 pm

Hi All,

Had a look this morning and there are definately centrals developing with the new growth. Huitz it is.
Thanks for your input.

Aloenut
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