New one needing ID

If you have a cactus plant and need help identifying it, this is the place to post it.
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fanaticactus
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New one needing ID

Post by fanaticactus »

When I found this at my local garden center, I thought it was a Rebutia or a Sulco..., but I can't find anything that comes close to matching. For referencing the size, it is in a 2-inch pot. If anyone has an idea, I'd appreciate hearing from you. Thanks!
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Catch a falling star--but don't try it with a cactus!
fanaticactus
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Re: New one needing ID

Post by fanaticactus »

I am continuing to look for possibilities, and I happened upon Frailea. Is that possible? It looks more like that genus than Rebutia, but I still found nothing matches closely, whether it's the short, closely-held spines, the color, or the offsets.
Catch a falling star--but don't try it with a cactus!
gillinger
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Re: New one needing ID

Post by gillinger »

I have a R. heliosa v condorensis that looks very similar, as dark as yours.
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fanaticactus
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Re: New one needing ID

Post by fanaticactus »

I shall check out that one, gillinger. Thanks!
Catch a falling star--but don't try it with a cactus!
DaveW
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Re: New one needing ID

Post by DaveW »

As usual flowers decide! 2" pot it may be a Frailea but could also be of the Rebutia/Aylostera group as Gillinger says. Its often difficult to identify things from pictures rather than the actual plant.
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anttisepp
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Re: New one needing ID

Post by anttisepp »

Sulcorebutia IMHO
fanaticactus
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Re: New one needing ID

Post by fanaticactus »

This little guy finally bloomed, but the flower never opened fully in this intense heat we're experiencing. I've attached a photo and, as you can see, the flower was a brilliant red. I am now convinced it belongs in the Rebutia/Aylostera group, but I've not found any photos of any that clump with such small heads. Everything else seems to fit the descriptions. Member gillinger suggested R. heliosa v condorensis, and I think that's a very strong possibility. The other one I am considering is R. pygmaea. Any further thoughts now that we have a flower?
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Catch a falling star--but don't try it with a cactus!
DaveW
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Re: New one needing ID

Post by DaveW »

Certainly not a Frailea but looks like a Sulcorebutia/Alostera type..
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anttisepp
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Re: New one needing ID

Post by anttisepp »

Very typical Aylostera flower tube, A. heliosa circle is the best suggestion 👍

eg http://www.llifle.com/Encyclopedia/CACT ... brevispina
fanaticactus
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Re: New one needing ID

Post by fanaticactus »

Thanks, anttisepp. I do believe that's the one. But such a long name for a small cactus!
Catch a falling star--but don't try it with a cactus!
DaveW
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Re: New one needing ID

Post by DaveW »

Can't tell from the picture but Rebutia has no hairs or bristles on the flower tube but Aylostera does.

"Mosti et al. (2011)* have split the two genera based on DNA studies. Differences between Rebutia and Aylostera include that in Rebutia the flowers tend to be uniformly coloured and have no hairs or bristles on the tube, whereas in Aylostera flowers are often bicoloured or multi-toned, have contrasting stamens and/or styles, and have hairs or bristles on the flower tube."
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7george
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Re: New one needing ID

Post by 7george »

This can be even one of the countless varieties of Aylostera pygmaea...
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