Help id these guys(cacti).

9 years ago

I bought them last year. I have more, but this is it for now.

no idea what it is. The soil they're in was terrible and soaked with water, so I repotted them as soon as I can with a cactus mix.

I think this was a Rebutia, not sure which.

this one bloomed last year with a white flower, could be a gymnocalycium by the scales on its flower.

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Kara 9b SF Bay Area CA

9 years ago

last modified: 9 years ago

Looks like the beginning of a Gymnocalycium flower. Definitely post a pic when it opens if you can of course:).

I'm starting to think it's a G. baldianum, but the flower will give you your id:).

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Comments (7)

lisasfbay9b
9 years ago
Bump.
Kara 9b SF Bay Area CA
9 years ago
last modified: 9 years ago
This is the first time I'm seeing this. Not gonna be much help when it comes to species, but I think the genera I can help with.

1. Mammillaria

2. Does look like a Rebutia. Slightly etiolated:). Have you seen the flowers of this cactus:)?

3. Gymnocalycium. I'm curious if you have a pic of the flowers.
Martin Cober thanked Kara 9b SF Bay Area CA
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Martin Cober
Original Author
9 years ago
I don't have a pic when it flowered, but here's what I found this morning:
It may not look same as last year(had a rough time dealing with root rot), but still, I was a little surprised when it decided to bloom despite having just recovered recently.
I shall update you when the flower opens.
Martin Cober
Original Author
9 years ago
About the Rebutia though, I've seen tens or more species the looked almost the same to it. I'll just have to wait till it blooms.
Martin Cober
Original Author
9 years ago
Late upload, here's what it looks like:

it seems they're not self pollinating, I tried and the flower withered 3 days later.
Kara 9b SF Bay Area CA
9 years ago
Nope not self pollinating. I wish they were:). I think yours may be a variety of G. damsii. I thought that at first, but wasn't sure. It's a pretty cactus:).