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 M.crucigera MZ 903

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Tam

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PostSubject: M.crucigera MZ 903   Wed Apr 07, 2010 4:41 pm

In flower today, M. cruicgera cruigera MZ ( Milan Zachar ) 903, Coxcanthan, Puebla. A grafted plant from Jara Donhanlik last year ( 2009 ).

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wiebe
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PostSubject: Re: M.crucigera MZ 903   Wed Apr 07, 2010 5:41 pm

Nice plant! I have a plant named M tlalocii RH 132 in my collection which was in flower last weekend. In my opinion it more looks like M crucigera ssp. crucigera than ssp. tlalocii.

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Tam

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PostSubject: Re: M.crucigera MZ 903   Wed Apr 07, 2010 6:03 pm

That's nice but who is RH. I would say that it is tlalocii.
Below is a picture of tlalocii FO-229 which has started to produce short red - brown central spines. tlalocii is said to be spine-less.

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Tam

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PostSubject: Re: M.crucigera MZ 903   Wed Apr 07, 2010 6:12 pm

This is another tlalocii, FO-223 which has divided into four. tlalocii is regarded by Hunt has a solitary stemmed variant of crucigera. I view them has a transition from crucigera to huitzilopochlti.

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wiebe
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PostSubject: Re: M.crucigera MZ 903   Wed Apr 07, 2010 9:52 pm

RH is according to me Ralf Hillmann. Tam, you say 'tlalocii' is without cental spines but Pilbeam writes: 'Central spines 2 to 4, glassy white with brown tips'. From Pilbeam I cannot see the difference between these 2 subspecies except the solitary stems from 'thalocii' and the branching (dichotomously) habitat of 'crucigera'.

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Chris43
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PostSubject: Re: M.crucigera MZ 903   Wed Apr 07, 2010 10:21 pm

and of course there is then the crucigera ssp. grandinosa, which is a strongly offsetting form.



This is Rog397 from MEX-135, km 75.1, Rio Salado, w. of San Juan de los Cues, 700 m.

I think that there a lot of sense in what Wiebe says, that these more southerly forms represent the transition to huitzilopochtlii.

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