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Offlineintelligentlife
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What is this Gymnocalycium ? [plant and pics]
    #19287278 - 12/17/13 05:50 AM (10 years, 1 month ago)

Hi.

I just find this cool gymno from random nursery, it has been spent few months in dormant there. The area was basically build greenhouse and house together, so there was a cactus plants also. So this is now dormant plant I hope I can got some flower buds at summer from this.

Also this is good species to grow in arctic cause growth speed is not so fast they don't go ugly at winter. :thumbup:

I got this cactus free because there was small number of mealybugs, I can get them away with one wash of dimethoat. So it's now isolated from anothers anyway. very minor mealybug invasion, and lady said I can get this for free.. why not.. mealies are easy to get rid of with systemic commercial strong pesticides. :sunny:

There's some pics. The label was in the pot where is the cactus now.


Cactus is really more darker green, this blue LED flashlight on my cellphone camera disturb the real appearance of cactus. Also shadows do some tricks.



Cactus have some flowerbuds at top, but it's in dormant. These probably turn to flowers at spring or what?


Anyway in my country it's common to sell cacti without right name of the genus.. I have seen lot's of miss-labeled and unidentified cacti around or labeled a bunch of columnar plants all to "cereus" or something.

I was just think if I can get to know what this cactus really is, I know how to treat it better :smile:
I have one another gymno in my collection, fun to have another if this is really it. Cactus is relatively small compared to gymno I have got few years ago.

I let this spent time at cold windowsill till march-april but for the mealybugs, I use very small water spray without giving it a full dose of water, not even accident. Dimethoat will go trough the skin and absorb to cactus so mealies will die easily. I don't use it in greenhouse, it's too poisonous to use outdoors so it have time to vanish before I move this to greenhouse at summer.:tongue2: ..to bad spider mites are totally immune to dimethoat.:lol:


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Edited by intelligentlife (12/17/13 12:54 PM)


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InvisibleMostly_HarmlessM
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Re: What is this Gymnocactus? (pics) [Re: intelligentlife]
    #19287336 - 12/17/13 06:20 AM (10 years, 1 month ago)

I suspect G. baldianum


--------------------
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OfflineLSoares
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Re: What is this Gymnocactus? (pics) [Re: Mostly_Harmless]
    #19287353 - 12/17/13 06:35 AM (10 years, 1 month ago)

I find the spine count a bit on the heavy side for a G. baldianum. My money is on G. mesopotamicum, another common find in nurseries. You'll find out in spring: if it flowers red, it's G. baldianum; if it flowers white, it's possibly G. mesopotamicum. The latter also clusters sooner and more freely.

(presuming it's not some hybrid, of course...)

And it's Gymnocalycium (as on the label), not Gymnocactus (as on the thread name). :wink:


--------------------
Z. in sunny Lisbon, Portugal
Cactus grower particularly fond of north american miniatures.
http://jardineiroazelha.blogspot.pt/

Sowing cacti - my way!
Random pictures of my collection.
Photographing cacti, Z's way.


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InvisibleMostly_HarmlessM
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Re: What is this Gymnocactus? (pics) [Re: LSoares]
    #19287470 - 12/17/13 07:44 AM (10 years, 1 month ago)

Quote:

LSoares said:
I find the spine count a bit on the heavy side for a G. baldianum. My money is on G. mesopotamicum, another common find in nurseries. You'll find out in spring: if it flowers red, it's G. baldianum; if it flowers white, it's possibly G. mesopotamicum. The latter also clusters sooner and more freely.

(presuming it's not some hybrid, of course...)

And it's Gymnocalycium (as on the label), not Gymnocactus (as on the thread name). :wink:




:thumbup:

I did bit of a hit and run post during a mass loph grafting session! :blush: :lol:


I feel a dedicated Gymnocalycium thread coming on :grin:


--------------------
●  EG Rules and Guidelines ● 


|| Lophophora Growers Unite! || Trichocereus Growers Unite! || Stone Eaters - A Soil Revolution ||


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Offlineintelligentlife
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Re: What is this Gymnocactus? (pics) [Re: LSoares]
    #19287471 - 12/17/13 07:45 AM (10 years, 1 month ago)

I kno I write wrong the thread name, just don't remembered how gymnocalycium written at the time so I think gymnocactus is more "universal" name anyway to put on the topic and yet more understand what the actual name is when open the topic.. :tongue2:

I hope cactus don't mind if I give it few days more temps so I can give the systemic pesticide cause of mealies, then I can let cactus continue hibernation By reducing temperature. When it's -40C outdoors, there is no matter, window sill is always cold and below +20C. No matter how much isolated the arctic building classes are to keep warm air indoors. Anyway, cool place for cacti windowsill there. Probably that's why in my country some easy blooming cacti will flower windowsill cause they got the cold air trough draft or minor temperature drop near window. Lophophora is very easy to get flower even there. :lol:

I just wrote gymnocactus fast :lol:

I think this thread can continue it's own life as thread to gymno's. It's okey for me anyway. :dancer:


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Edited by intelligentlife (12/17/13 07:52 AM)


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OfflineLSoares
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Re: What is this Gymnocactus? (pics) [Re: intelligentlife]
    #19287665 - 12/17/13 09:02 AM (10 years, 1 month ago)

Gymnocactus is the name of a genus now sunken under Turbinicarpus. Sorry, I can be a real pain in the distal end when it comes to nomenclature. :wink:

Anyway, it's pretty easy to understand what you were writing about. :smile:


--------------------
Z. in sunny Lisbon, Portugal
Cactus grower particularly fond of north american miniatures.
http://jardineiroazelha.blogspot.pt/

Sowing cacti - my way!
Random pictures of my collection.
Photographing cacti, Z's way.


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OfflineLSoares
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Re: What is this Gymnocactus? (pics) [Re: Mostly_Harmless]
    #19287667 - 12/17/13 09:03 AM (10 years, 1 month ago)

Quote:

Mostly_Harmless said:
during a mass loph grafting session! :blush: :lol:






Pictures, please. :cool:


--------------------
Z. in sunny Lisbon, Portugal
Cactus grower particularly fond of north american miniatures.
http://jardineiroazelha.blogspot.pt/

Sowing cacti - my way!
Random pictures of my collection.
Photographing cacti, Z's way.


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