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 Sp. nova Alfred Lau?

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Mike
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PostSubject: Sp. nova Alfred Lau?   Sp. nova Alfred Lau? Icon_minitimeTue Jul 22, 2008 1:43 pm

Hi,
Got this one from Woody Minnich, labelled sp. nova Alfred Lau. If Woody said more about it, I don't recall.
Is it still sp nova, what else could it be? Looks similar to a sphacelata I have tho that has no wool, and hasn't flowered.

Sp. nova Alfred Lau? IMG_4221

Thanks, Mike
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ChrisDavies



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PostSubject: Re: Sp. nova Alfred Lau?   Sp. nova Alfred Lau? Icon_minitimeTue Jul 22, 2008 1:44 pm

It looks similar to sphacelata with a paler flower colour. Do you know from which regio or town in Mexico Lau found this? Maby aff. sphacelata.

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Mike
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PostSubject: Re: Sp. nova Alfred Lau?   Sp. nova Alfred Lau? Icon_minitimeTue Jul 22, 2008 1:45 pm

Actually know nothing about it. I had thought Woody only had some cuttings, but then found this picture of the mama plant. You may notice that it has a much more redish tint than my pup does now.

Sp. nova Alfred Lau? IMG_1636

Actually another cutting, not mine, had 2 darker brown csp and about 14 rsp - hard to believe it is the same plant as mine, but I am pretty sure it is.

Sp. nova Alfred Lau? IMG_1638

These two pics were taken in Sept 06 at Woody's, a much hotter climate, and greenhouse. The pic with the flower in the first post is from yesterday.
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Chris43
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PostSubject: Re: Sp. nova Alfred Lau?   Sp. nova Alfred Lau? Icon_minitimeTue Jul 22, 2008 1:47 pm

Hi Mike,
Are you sure they are the same plant? The cutting from the "mama" plant has, as far as I can count, about 21 white radials and 2 red brown centrals, a bit more than 14 I think.
Your plant has about 14 radials, 2 centrals, all white apart from a brown tip to the centrals, but also much woollier areoles. It has some similarotoes to sphacelata, though I am by no means sure that it is. The flower colour is too light, as sphacelata is quite a deep red, tending to almost purple in ssp. viperina.
The mother plant and the cutting, to my eye, look like a member of the Polyacanthae group, perhaps xaltianguensis in its straight spined form, or another of the nunezii group.
I'd like to see the flower on your plant from the side to check on sphacelata, as in most cases the base of the flower is quite green, and it extends a good way before the petals flare out. Well, a good way for a small flower, I don't mean like a Cleistocactus! Sorry not to be more definitive.

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Mike
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PostSubject: Re: Sp. nova Alfred Lau?   Sp. nova Alfred Lau? Icon_minitimeTue Jul 22, 2008 1:48 pm

Hi Chris,
Well, I can't say for sure. Lots of cuttings, pics of plants, etc over a few days, all of plants I had no familiarity with. These pics all show up in the sp nova Lau file, but could be an error. So now one mystery becomes 2 or 3.
Here is another pic of it, along with a sphacelata cutting. The flower is not sphacelata for sure, not close to the one in Pilbeam.

Sp. nova Alfred Lau? IMG_4255
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Mike
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PostSubject: Re: Sp. nova Alfred Lau?   Sp. nova Alfred Lau? Icon_minitimeTue Jul 22, 2008 1:49 pm

Hi,
I spoke with Woody Minnich re these plants. As to the brown spined one, he was not sure, but thought it was xaltianguensis.
As to the other, he didn't know, but didn't think sphacelata. He said it was from Sierra Madre Occidental Mountains above Mazatlan.
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ChrisDavies



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PostSubject: Re: Sp. nova Alfred Lau?   Sp. nova Alfred Lau? Icon_minitimeTue Jul 22, 2008 1:50 pm

Hi Mike,
Thanks for the information.

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