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 Its the time for my Lasiacanthae to shine....

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Chris43
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PostSubject: Its the time for my Lasiacanthae to shine....   Sat Apr 23, 2011 4:21 pm

A section (about half) of my plants in the Lasiacantha series. Mostly grown from seed, and staying nice and small.



and yes, I know that senilis and candida are not in this Series.....just not moving them Very Happy

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PostSubject: Re: Its the time for my Lasiacanthae to shine....   Sat Apr 23, 2011 5:57 pm

Wonderfull, Chris. The one in the middle of the front row is especially nice.
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PostSubject: Re: Its the time for my Lasiacanthae to shine....   Mon Apr 25, 2011 1:59 pm

That (and the one immediately to its left) is M. lasiacantha SB255, from Mesa Garden seed sown 9/4/2007.

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PostSubject: Re: Its the time for my Lasiacanthae to shine....   Mon Apr 25, 2011 3:17 pm

Great collection Chris and so much flowers at the same time. The dark flowers in second row are very interesting.
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PostSubject: Re: Its the time for my Lasiacanthae to shine....   Mon Apr 25, 2011 5:40 pm

The flowering of most of my Lasiacanthae is almost over. The flowering season started rather early this year because of the unseasonably warm weather we have had in April in The Netherlands.
Below are 3 pictures which show most of my Lasiacanthae. The number of Lasiacanthae is a bit exaggeratedly high, don't you think? Well, over the years I sowed a lot of Lasiacanthae with field numbers and then you get a lot of plants (but they tend to die more easily than many other Mammillarias...).
The cotton buds have been used for pollination. I leave the cotton buds with the plants, so that I know which Lasiacanthae I have pollnated.

Wolter.





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PostSubject: Re: Its the time for my Lasiacanthae to shine....   Mon Apr 25, 2011 6:32 pm

OK, Wolter, I give in!! There are some nice old plants there too, so they don't all die young.

The dark flowered form in my photo was grown from Mammillaria Society seed under the name of M. gasseriana Rog 620.

Only two things wrong with that....it isn't gasseriana it is at best a spineless stella-de-tacubaya, and it isn't Rog 620 as that is apparently Mammillaria mexicana. On a previous field list Rog 621 is down as gasseriana, and on the latest list it is now stella-de-tacubaya.

So, I conclude it is M. stella-de-tacubaya Rog 621, stated to be from MEX-34, km 77.4, 1 km n. Eufemia Zapata, 1292 m, Dgo. N 25░08'23,5", W 104░21'47,5"

If anyone else has this form, could they let me know if it looks the same?

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PostSubject: Re: Its the time for my Lasiacanthae to shine....   Mon Apr 25, 2011 7:30 pm

Hey Wolter, no comment. This collection is really indescribable. Thank you for showing us.

Chris, while I saw your pictures I red an old issue of the AfM (4/2000). There is a picture of a dark flowering plant that looks like yours. The midstripes and centre of the flowers are nearly black. It's called M.egregia ROG 14 from west of JimenÚz, Chihuahua. But, of course it's not possible to identify the plants only with some fotos...

Robby
(I'm shure I have to increase my small collection of lasiacanthas soon)

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PostSubject: Re: Its the time for my Lasiacanthae to shine....   Mon Apr 25, 2011 7:41 pm

Excerpt from Rogo's trip report:
"Bei km 77,4 in Richt. Rodeo Rechts der Stra▀e am Hang M. gasseriana meist
ohne Mitteldorn, Echinomastus unguispinus, Echinocereus spec. Coryphantha
spec. und Ariocarpus aff. trigonus. Es ist ein gelbes Schottergestein, in dem
die Pflanzen stehen.
093 Rog 621 M. gasseriana Eufemia Zapata DUR.
094 Rog 622 Echinomastus ungui spinus Eufemia Zapata DUR"

When I visited that area in the fall of 2009, I (and my companions) could not find any M. stella-de-tacubaya at this Rogo location, and only 1 almost dead Ariocarpus lloydii.
However, in the same general region, i.e. along the road from Nazas to Rodeo, I have found M. stella-de-tacubaya at several locations. At one and the same location you can find plants with hooked centrals and without hooked centrals. The flowers of M. stella-de-tacubaya and M. egregia (closely related to M. stella-de-tacubaya) are generally darker (more brownish) than those of M. lasiacantha or M. magallanii.

Wolter.
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PostSubject: Re: Its the time for my Lasiacanthae to shine....   Mon Apr 25, 2011 8:42 pm

Along the same stretch of road as Rogozinski found Rog 621, in April last year, I found what I considered to be stella-de-tacubaya with and without central spines at a location about 11kms east of the junction, near Las Animas, and about 8kms west of the Rog 621 location. There were a number of plants, but in April too late for flowers. There were an Echinomastus and a Coryphantha, pus various Opuntias and a lovely Agave striata.

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PostSubject: Re: Its the time for my Lasiacanthae to shine....   Tue Apr 26, 2011 5:43 pm

Just to underline the point that Wolter made about the flowers of Mammillaria stella-de-tacubaya being darker, here is one of my plants that just opened its flowers, you can see how dark it is!



The field number is Rog 081 and it comes from DGO-1, Pe˝on Blanco, Dgo

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PostSubject: Re: Its the time for my Lasiacanthae to shine....   Wed Apr 27, 2011 5:38 pm

Another of the Lasiacanthae plants has just come into flower today.

Some experts say that it is just a neotonic (juvenile) form of Mammillaria lasiacantha, and it may well be, but it seems quite distinct, and immediately recognisable. Just as distinct as magallani is from lasiacantha, so it should, imho, be recognised as a subspecies at least.



and it has beautiful plumose spines as well.



The plant was grown from seed I bought in 2006 from Koehres. It wa sthe only omne that germinated from 10. I do have two other plants which were grafted, and I have taken them off and rooted them. One has offset, but they are both smaller in size that this seed grown one, and tend to flower just a little later - they are budding up now. They came from Russia in August 2006. I don't know the seed origin.

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PostSubject: Re: Its the time for my Lasiacanthae to shine....   Wed Apr 27, 2011 9:55 pm

Chris, I agree completely, M. roemeri is at least a subspecies/variety.
Geographically, it is also well separated from other Lasiacanthae. The nearest locations of other members (M. wohlschlageri and M. stella-de-tacubaya are more than 100 km from the M. roemeri location.

Wolter.
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