Is my first cactus a mammalaria rhodantha ???

If you have a cactus plant and need help identifying it, this is the place to post it.
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ep4cactiguide
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Joined: Mon Aug 15, 2022 5:08 pm

Is my first cactus a mammalaria rhodantha ???

Post by ep4cactiguide »

This is my first cactus. Reviewing photos on this forum I think this may be a mammalaria rhodantha. When I purchased at nursery, flowers had fallen off. Nursery indicated that flower stems would fall off over time and did not need to be pruned.
Any suggestions for care to improve chance I see flowers next year??

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Lactus
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Location: Humboldt CA Zone 9

Re: Is my first cactus a mammalaria rhodantha ???

Post by Lactus »

I don't believe that's a mamm. It looks more like something in the Echinocereus genus.
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greenknight
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Location: SW Washington State zone 8b

Re: Is my first cactus a mammalaria rhodantha ???

Post by greenknight »

It's Parodia erubescens (syn. Notocactus schlosseri), see: http://www.llifle.com/Encyclopedia/CACT ... schlosseri

I've got several - the seeds fall in the pot and sprout, you get a bunch of baby ones growing around it. I just save the best of them.

Flower buds are set during the dormant season. Ideally, cacti should be kept cool and dry over the winter, see: http://www.cactus-art.biz/note-book/Dic ... r_rest.htm

If you can't provide temperatures that cool, just do the best you can.
Spence :mrgreen:
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anttisepp
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Re: Is my first cactus a mammalaria rhodantha ???

Post by anttisepp »

greenknight wrote: Tue Aug 16, 2022 4:49 am Notocactus schlosseri
Notocactus schlosseri indeed
ep4cactiguide
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Re: Is my first cactus a mammalaria rhodantha ???

Post by ep4cactiguide »

Thank you Lactus, greenknight and antisepp for your replies. I reviewed the images of “Echinocereus genus” and “Notocactus schlosseri/Parodia erubescens“ and see resemblance to some round Parodia erubescens. The buds appearing as a crown on top of this cactus resembled the buds I saw on round varieties of mammalaria rhodantha.

https://cactiguide.com/cactus/?genus=Ma ... =standleyi
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MrXeric
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Location: California, USDA zone 10a

Re: Is my first cactus a mammalaria rhodantha ???

Post by MrXeric »

Mammillaria don't have woolly/spiny buds, which are quite distinctive on most species of Parodia.
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greenknight
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Location: SW Washington State zone 8b

Re: Is my first cactus a mammalaria rhodantha ???

Post by greenknight »

Yes, the wooly buds/fruits are a tipoff - and they don't actually fall off on their own.
Spence :mrgreen:
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