A few Cacti to ID

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AnthonyT
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A few Cacti to ID

Post by AnthonyT »

Until fairly recently, I've not been fussed about knowing names, but now i want to grow as much as possible outside, i obviously need to pay attention to what plants I'm buying!

Any info on the following gratefully received (tu)

These are some i have had for quite some time, most for 15 years plus, the smaller labelled ones for a few years. :wink:


1.Mammillaria of some description? has pinky flowers, this was already an old plant when i got it!

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2.This has an old label that simply says Lobivia

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Never had labels for these next few


3.This one I was given around 25 years ago and it was approx 10 years old then!
It's never flowered either
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4.Has papery yellow flowers
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These two both have off white, flushed pastel pink, large trumpet shaped flowers
5.
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6.
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7.This has never flowered
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8.This is 'Dave' and started as the top piece, cut off an already tall specimen, and which has since grown... a lot, 3yrs growth in this photo, and has now itself had the top 2 ft chopped off, a little while after this shot was taken!
It's never flowered.
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These 2 have labels

9.echinocereus rigidissimus rubispinus?
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10.echinopsis subduendata?
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and this lives outside, is approx 15 years old and I'm assuming is a run of the mill Agave Americana
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Last edited by AnthonyT on Mon Jan 14, 2019 9:55 pm, edited 1 time in total.
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RAYWOODBRIDGE
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Re: A few Cacti to ID

Post by RAYWOODBRIDGE »

Hi Anthony
plant 1 Mammillaria spinosissima
plant 2 Echinopsis/Lobivia
plant 3 Echinopsis/Trichocereus
plant 4 Eriocephala warasii ( Parodia warasii )
plant 5 Echinopsis
plant 6 Lobivia
plant 7 ?
plant 8 Trichocereus pachanoi
plant 9 Echinocereus rigidissimus ssp rigidissimus ( or reichenbachii ssp castaneus )
plant 10 Echinopsis subdenudata
plant 11 ?

sorry I cannot be more helpful Echinopsis/Lobivia/Trichocereus is a minefield when it comes to ID.
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Re: A few Cacti to ID

Post by ralphrmartin »

5 Echinopsis oxygona (or possibly hybrid)
6 Echinopsis tubiflora
and the one labelled Echinopsis subdenudata is correctly named.

4 is puzzling me. It's a Notocactus which appears to be between leninghausii and warasii - I wonder if it might be Notocactus claviceps?
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AnthonyT
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Re: A few Cacti to ID

Post by AnthonyT »

RAYWOODBRIDGE wrote: Mon Jan 14, 2019 6:28 pm Hi Anthony
plant 1 Mammillaria spinosissima
plant 2 Echinopsis/Lobivia
plant 3 Echinopsis/Trichocereus
plant 4 Eriocephala warasii ( Parodia warasii )
plant 5 Echinopsis
plant 6 Lobivia
plant 7 ?
plant 8 Trichocereus pachanoi
plant 9 Echinocereus rigidissimus ssp rigidissimus ( or reichenbachii ssp castaneus )
plant 10 Echinopsis subdenudata
plant 11 ?

sorry I cannot be more helpful Echinopsis/Lobivia/Trichocereus is a minefield when it comes to ID.
ralphrmartin wrote: Mon Jan 14, 2019 7:00 pm 5 Echinopsis oxygona (or possibly hybrid)
6 Echinopsis tubiflora
and the one labelled Echinopsis subdenudata is correctly named.

4 is puzzling me. It's a Notocactus which appears to be between leninghausii and warasii - I wonder if it might be Notocactus claviceps?

Thank you gents, most helpful and enlightening (tu)
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Re: A few Cacti to ID

Post by Peter »

Venerable old plants. Some would cerainly benefit from cutting off above the corking (brown) level, allowing the offcut to dry for a couple of weeks then popping into compost. That will produce nice, rejuvenated plants.
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Re: A few Cacti to ID

Post by MikeT »

I'm not sure about 1 being Mamm. spinosissima, I wonder about one of the forms of Mamm. polythele
3 I think might be Ferocactus glaucescens
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AnthonyT
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Re: A few Cacti to ID

Post by AnthonyT »

Peter wrote: Mon Jan 14, 2019 9:05 pm Venerable old plants. Some would cerainly benefit from cutting off above the corking (brown) level, allowing the offcut to dry for a couple of weeks then popping into compost. That will produce nice, rejuvenated plants.
I quite like the aged look :razz: more like how they would appear in habitat, so many plants are only seen as juvenile/younger examples growing on mass on greenhouse staging.
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Re: A few Cacti to ID

Post by Stuart »

Anyone else think 7 might be Gymnocalycium Vatteri ? Odd that it hasn't flowered.

Stuart
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Re: A few Cacti to ID

Post by KarlR »

Stuart wrote: Mon Jan 14, 2019 10:32 pm Anyone else think 7 might be Gymnocalycium Vatteri ? Odd that it hasn't flowered.

Stuart
Yes, I agree with that, Stuart. I'm used to seeing them flatter, but it looks like it's maybe elongated a bit from some of the damage that's visible on it (or perhaps just from age).

I also agree with Mike that nr 3 is Ferocactus glaucescens.
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AnthonyT
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Re: A few Cacti to ID

Post by AnthonyT »

Thanks to everyone who has replied (tu)

So having 'Googled' images of all the suggested names, and compared as much as possible to what I have, the following list is what I now hope is correct!

plant 1. Mammillaria polythele, looks closer in my opinion than spinosissima, but hey I'm no expert :wink:
plant 2. Echinopsis/Lobivia, nothing definitive on this one
plant 3. Ferocactus glaucescens
plant 4. Eriocephala warasii ( Parodia warasii ) or possibly claviceps
plant 5. Echinopsis oxygona (or possibly hybrid)
plant 6. Echinopsis tubiflora
plant 7. Gymnocalycium Vatteri
plant 8. Trichocereus pachanoi, not convinced, Pachanoi has 5 or 6 'chubby' ribs, mine has 4 changing to 5 and they are slimmer, i thought maybe T. Peruvianus instead, but so many photos and names are contradictory!
plant 9. Echinocereus rigidissimus ssp rigidissimus ( or reichenbachii ssp castaneus )
plant 10. Echinopsis subdenudata
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