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Normal behavior for M. lasiacantha?

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Normal behavior for M. lasiacantha?

Postby RichR » Fri Feb 03, 2012 5:04 pm

The first picture shows this plant last March.

The second and third show how it looks today.

It's pupping and "dividing." (I don't know the correct term for growing two crowns / apices.)

Is this normal for this species?

Image

Image

Image
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Postby peterb » Fri Feb 03, 2012 5:42 pm

I don't think that's lasiacantha. I can see that the flowers are slightly similar, but all the other characters point to comething else. Not enough of a Mam guy (so to speak!) to know what though.

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Re: Normal behavior for M. lasiacantha?

Postby daiv » Fri Feb 03, 2012 5:46 pm

RichR wrote:(I don't know the correct term for growing two crowns / apices.)


dichotomous division - can also go 3 or 4 ways

I agree it has more of an M. perbella look to it.
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Postby iann » Fri Feb 03, 2012 6:47 pm

Flowers are wrong from M. perbella. I think this is M. formosa ssp microthele.
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Postby RichR » Fri Feb 03, 2012 7:49 pm

Well, when I bought it (at Mesquite Valley Growers in Tucson) it was labeled "M. lasiacantha" but it didn't look like any of the lasiacanthas I had ever seen.

Thanks to all for your input.
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Postby tumamoc » Fri Feb 03, 2012 11:42 pm

Now you know you shouldn't trust the labeling from Mesquite Valley Growers. They're more like Home Depot, in that they get their cacti from a third party ("Cactus Dan", I believe). They certainly don't grow cacti from seed, unlike B&B Cactus Farm, located up the street.
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Postby RichR » Sat Feb 04, 2012 12:32 am

Duly noted, Tumacoc. I'm not sure I really trust labeling from anywhere, including B&B, who often have plants without any labels at all. I even got a plant from (gasp) Mesa Garden recently whose identification (i.e., subspecies) was called into question by a very knowledgeable member of the CactiGuide forum.

Not to demean MG, however. If anyone knows what plants he is selling it's Steve Brack.

I'm still pretty new at this and while I usually check a plant's ID against the various reference books I have, I can't always make distinctions from photos in a book. Not to mention there seem to be a gazillion species of Mammillaria, many of which look the same to a beginner. That's when I like to post it here and almost always get a definitive answer, or at least a highly educated guess.
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Postby peterb » Sat Feb 04, 2012 1:46 am

well, for me, there's always the consolation that it's a beautiful plant.

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Postby Peterthecactusguy » Sat Feb 04, 2012 5:01 am

some of us would buy our plants cause they look nice?

As for that Daiv is correct the "botanical" term for that is "dichotomous division". I think what Daiv is trying to say is that there can be more then one dichotomous division on a plant.
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Postby RichR » Sat Feb 04, 2012 3:11 pm

peterb wrote:well, for me, there's always the consolation that it's a beautiful plant.

peterb


My main criteria for buying!
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Postby peterb » Sat Feb 04, 2012 5:33 pm

I think there is a difference between a collector and a grower. Of course, in different personalities, there's an overlap, and usually some of each going on. But I have enjoyed the passion more as I have become more of a grower and less of a collector. If that makes any sense.

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Postby Peterthecactusguy » Sat Feb 04, 2012 9:31 pm

PeterB, it does. I am transitioning into becoming a grower from being a buyer, if that makes sense. I am going to sow a bunch of seeds soonish.
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Postby Arjen » Mon Feb 06, 2012 7:25 am

I don't fully agree, as I'm becoming more of a 'grower' there are still a lot of plants I would like to collect and then later grow myself
I don't think that ever ends
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Re: Normal behavior for M. lasiacantha?

Postby Cereusly » Wed Feb 08, 2012 5:13 pm

Beautiful plant . . . loves these.
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Re: Normal behavior for M. lasiacantha?

Postby GermanStar » Thu Feb 09, 2012 5:30 am

I don't care which Mamm it is, that is a mind-boggling transformation. I'll hope you'll keep updating the thread as it progresses.
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