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 ID for this possible M. bocensis ?

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PostSubject: ID for this possible M. bocensis ?   ID for this possible M. bocensis ? Icon_minitimeMon Jun 25, 2018 10:33 pm

ID for this possible M. bocensis ? Bocens10
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PostSubject: Re: ID for this possible M. bocensis ?   ID for this possible M. bocensis ? Icon_minitimeMon Jun 25, 2018 10:33 pm

From Sinaloa
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delandmo




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PostSubject: Re: ID for this possible M. bocensis ?   ID for this possible M. bocensis ? Icon_minitimeFri Jun 29, 2018 10:16 pm

Right State for m. bocencis and a nice spiny example.
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Chris43
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PostSubject: Re: ID for this possible M. bocensis ?   ID for this possible M. bocensis ? Icon_minitimeSat Jun 30, 2018 7:59 pm

The spines are curlier than I have seen, but the flower looks right, so yes, M. bocensis also is my view.

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delandmo




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PostSubject: Re: ID for this possible M. bocensis ?   ID for this possible M. bocensis ? Icon_minitimeSat Jun 30, 2018 10:35 pm

Incidentally, John Pilbeam in his new book describes it as porcupine like.
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PostSubject: Re: ID for this possible M. bocensis ?   ID for this possible M. bocensis ? Icon_minitimeMon Jul 02, 2018 6:15 pm

Hola DientebLanco,

I agree with bocensis, Reppenhagen described the central spines as upwards curved. I think the spination looks like this because of the barren and fullsun location and a long drought. The rainy season starts in Sinaloa just now.

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PostSubject: Re: ID for this possible M. bocensis ?   ID for this possible M. bocensis ? Icon_minitimeTue Jul 03, 2018 11:52 pm

ID for this possible M. bocensis ? Bocens14

i doubt because of how diferent this form is compared with the northern and southern population.

ID for this possible M. bocensis ? Bocens13

also found many clumps of this, also bocensis, but some sort of caespitosus form?

Thanks a lot !
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mammillariamaniac

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PostSubject: Re: ID for this possible M. bocensis ?   ID for this possible M. bocensis ? Icon_minitimeWed Jul 04, 2018 7:13 am

Where exactly in Sinaloa did you photograph these plants? This could help for identification.

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PostSubject: Re: ID for this possible M. bocensis ?   ID for this possible M. bocensis ? Icon_minitimeWed Jul 04, 2018 5:20 pm

These are my habitat photos of what I believe to be Mammillaria bocensis.

Firstly from the ML741 location near Guasimas, 30m above sea level, Sonora.

ID for this possible M. bocensis ? Pict1110

ID for this possible M. bocensis ? Pict1111

and also just south of the Rio Piaxtla  in Sinaloa.

ID for this possible M. bocensis ? Pict1113

ID for this possible M. bocensis ? Pict1112

These photos are the reason that I was surprised at how curved the spines were on the OP's photos. I did spend some time looking at whether the plants from Guasimas might be M. sonorensis, as there is a fairly common white/cream coloured flowered form of this, but I have checked with several people, including John Pilbeanm and Wolfganga Plein, and they are in agreement about M. bocensis being the plants I saw there. The spines on the plants from the Rio Piaztla are longer than those at near Guasimas, but not curved that I can see from the photos.

So, it is clearly just part of natural variation, though my plants of Rog 231 (Rio Piaxtla), H.O. 170(not known where from) and Lau 772 - as rubida - (Cerro Culagua 100-500m, Sinaloa) do not show this character.It would be nice to have some with such spines - seed anyone??

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PostSubject: Re: ID for this possible M. bocensis ?   ID for this possible M. bocensis ? Icon_minitimeWed Jul 04, 2018 10:20 pm

Chris43, Thank you for the photos and information !
At first sight i thought it was a sort jhonstonii because of the curve spine, but the description fits to bocensis.

I collected a few fruits

mammillariamaniac, i found them at Topolobampo
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PostSubject: Re: ID for this possible M. bocensis ?   ID for this possible M. bocensis ? Icon_minitime

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