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 An unidentified Mamm (I think) from my trip

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Chris43
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Chris43

Number of posts : 1726
Age : 76
Location : Chinnor, UK
Registration date : 2008-07-16

An unidentified Mamm (I think) from my trip Empty
PostSubject: An unidentified Mamm (I think) from my trip   An unidentified Mamm (I think) from my trip Icon_minitimeThu Apr 26, 2012 9:02 pm

I found this plant about 40km south of Huizache Junction and abou 1km east of the MEX-57D in SLP. There were about 7 heads growing from a large taproot. It appears to have about 8-10 white radial spines and one hooked dark central. Each head is about 2cms across.

An unidentified Mamm (I think) from my trip P4191110

The closest that I can come to, if indeed it is a Mammillaria, is M. surculosa, but if it is it isn;t what I know as M. surculosa.

Any ideas would be very gratefully received.

I have a few more to ask about as well, which I will put up over the next few days.

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maurillio



Number of posts : 2648
Age : 65
Location : Modena - Italia
Registration date : 2009-12-20

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PostSubject: Re: An unidentified Mamm (I think) from my trip   An unidentified Mamm (I think) from my trip Icon_minitimeThu Apr 26, 2012 9:39 pm

why not mammillaria uncinata?
there is a second central spine in three highter ereolas....
like often in mammillaria uncinata.


sometimes central spines are not hooked like in this plant from slpotosi...
m.uncinata Z 86

An unidentified Mamm (I think) from my trip 3262-213


An unidentified Mamm (I think) from my trip 3262-214
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Chris43
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Chris43

Number of posts : 1726
Age : 76
Location : Chinnor, UK
Registration date : 2008-07-16

An unidentified Mamm (I think) from my trip Empty
PostSubject: Re: An unidentified Mamm (I think) from my trip   An unidentified Mamm (I think) from my trip Icon_minitimeThu Apr 26, 2012 10:15 pm

Thanks, Maurillio,
I have seen uncinata plants with straight spines, but I didn't immediately think of that species., as the heaeds were so small. However, I think that it might be possible that the original head had been eaten and the smaller heads have sprung up from the taproot. Thanks very much for the suggestion....

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An unidentified Mamm (I think) from my trip Empty
PostSubject: Re: An unidentified Mamm (I think) from my trip   An unidentified Mamm (I think) from my trip Icon_minitime

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