Plant ID forum: (Echinopsis calochlora); Botanical Garden of Rio

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Name: Myriam
Ghent, Belgium (Zone 8a)
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bonitin
Aug 31, 2015 1:30 AM CST
I first thought a barrel cactus but the flower buds don't seem to match..


Name: Janet Super Sleuth
Near Lincoln UK
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JRsbugs
Aug 31, 2015 9:06 AM CST
I have a similar one which luckily survived the winter in the greenhouse, being warmer in there than the house over spring and summer it had it's first flower this year. The flower bud looked much like this, the plant is similar too. The label in the pot says Gymnocal, so I guess it's Gymnocalycium. The flower was huge and scented but only lasted a day, I had brought it inside to capture it.

http://www.llifle.com/Encyclopedia/CACTI/Family/Cactaceae/Gy...

http://www.llifle.com/Encyclopedia/CACTI/Family/Cactaceae/

Name: Janet Super Sleuth
Near Lincoln UK
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JRsbugs
Aug 31, 2015 9:19 AM CST
I just edited the pics I took of mine,

Thumb of 2015-08-31/JRsbugs/95614b Thumb of 2015-08-31/JRsbugs/288f95


Thumb of 2015-08-31/JRsbugs/efc203 Thumb of 2015-08-31/JRsbugs/9b76cc

Name: Leslieray Hurlburt
Sacramento California (Zone 9b)
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HamiltonSquare
Aug 31, 2015 4:18 PM CST
Looks like Echinopsis oxygona to me.
Hamilton Square Garden, Historic City Cemetery, Sacramento California.
Name: Janet Super Sleuth
Near Lincoln UK
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JRsbugs
Aug 31, 2015 4:42 PM CST
Echinopsis oxygona does look very similar! The difference I can see is that the ridges are not indented like the ones we have, the spines on Myriam's example are in those indentations, mine doesn't have large spines but both have indentations.

https://www.google.co.uk/search?q=Echinopsis+oxygona&source=...
Name: Leslieray Hurlburt
Sacramento California (Zone 9b)
The WITWIT Badge Region: California Plant Lover: Loves 'em all! Xeriscape Native Plants and Wildflowers Salvias
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HamiltonSquare
Aug 31, 2015 5:21 PM CST
Good points but I think that Gymnocalycium have there cluster of spines on the tips of the tubercules and not in an indetation on a rib. Echinopsis oxygona is highly variable and much hybridized. The number of ribs and spines should give a clue....just my thoughts. I tip my hat to you.
Hamilton Square Garden, Historic City Cemetery, Sacramento California.
Name: Janet Super Sleuth
Near Lincoln UK
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JRsbugs
Aug 31, 2015 6:59 PM CST
Good point, or not on points. Hilarious!

I counted the ribs on mine, it has 15 with a few joining at the bottom. It doesn't have spines as such, more like a tuft of fluff which get bigger near the top. I can see maybe one tiny spine on lower, smaller tufts. I've had this cactus for maybe 15 years, bought as a young plant.

I've counted 13 or 14 ribs on Myriam's.
Name: Janet Super Sleuth
Near Lincoln UK
Charter ATP Member Organic Gardener Garden Photography Bee Lover Dragonflies Cat Lover
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JRsbugs
Aug 31, 2015 7:07 PM CST
I found Echinopsis comarapana which has spines in the indentations, but it has 10-12 ribs. Maybe a cross with that?

http://succulent-plant.com/families/cactaceae.html#echinopsi...
Name: Janet Super Sleuth
Near Lincoln UK
Charter ATP Member Organic Gardener Garden Photography Bee Lover Dragonflies Cat Lover
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JRsbugs
Aug 31, 2015 7:52 PM CST
I found a key for Echinopsis! Page 249

https://books.google.co.uk/books?id=zKOyo9qv2HsC&pg=PA241&lp...

I 'think' I got to #18b but 18a (Echinopsis obrepanda) fits better even though it mentions 'spines curved', the small tufts could be curved on mine? I found a photo which looks like it.

http://www.massey.ac.nz/~sglasgow/cactus/Echinopsis%20obrepa...

http://www.massey.ac.nz/~sglasgow/cactus/cactuspictures.htm

I tried to key Myriam's but can't do it.
Name: Janet Super Sleuth
Near Lincoln UK
Charter ATP Member Organic Gardener Garden Photography Bee Lover Dragonflies Cat Lover
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JRsbugs
Aug 31, 2015 8:02 PM CST
Echinopsis rojasii albiflora looks close for Myriam's ..

https://www.google.co.uk/search?q=Echinopsis+obrepanda&sourc...

http://plantlust.com/plants/echinopsis-rojasii-albiflora/ima...
Name: Janet Super Sleuth
Near Lincoln UK
Charter ATP Member Organic Gardener Garden Photography Bee Lover Dragonflies Cat Lover
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JRsbugs
Aug 31, 2015 8:07 PM CST
Echinopsis rojasii var. albiflora is a synonym of Echinopsis obrepanda. Rolling my eyes.

http://www.theplantlist.org/tpl1.1/record/kew-2783615

This site has it with and without long spines ..

http://www.rostliny.net/rostlina/Echinopsis_rojasii_var._alb...
Name: Myriam
Ghent, Belgium (Zone 8a)
Charter ATP Member Ferns Native Plants and Wildflowers Cat Lover Birds Bee Lover
Organic Gardener I was one of the first 300 contributors to the plant database! Frogs and Toads Plant Identifier
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bonitin
Sep 1, 2015 1:03 AM CST
Wow, lots of research being done! It is a tough one, so many look-a-likes.
Amazing Janet how yours survived the winter in your greenhouse!
The flowerbud on yours does look like mine, just more elongated. What a huge flower in relation to the cactus body! Beautiful and nice capture too, white flowers are difficult.
The photo from this link (Echinopsis obrepanda)
https://www.google.co.uk/search?q=Echinopsis+obrepanda&sourc...
really looks like a perfect match to me!
Thank You! Janet and Leslieray!
[Last edited by bonitin - Sep 1, 2015 1:25 AM (+)]
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Name: Janet Super Sleuth
Near Lincoln UK
Charter ATP Member Organic Gardener Garden Photography Bee Lover Dragonflies Cat Lover
Butterflies Birds Plant Identifier I was one of the first 300 contributors to the plant database! Spiders!
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JRsbugs
Sep 1, 2015 4:48 AM CST
I tip my hat to you. Thumbs up
Name: Thijs van Soest
Mesa, AZ (Zone 9b)
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mcvansoest
Jan 17, 2016 8:45 PM CST
Have you looked at Echinopsis calochlora...? To me that seems like a better match for the plants in the OP than E. obrepanda.
Name: Myriam
Ghent, Belgium (Zone 8a)
Charter ATP Member Ferns Native Plants and Wildflowers Cat Lover Birds Bee Lover
Organic Gardener I was one of the first 300 contributors to the plant database! Frogs and Toads Plant Identifier
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bonitin
Jan 18, 2016 2:27 AM CST
Echinopsis calochlora..
Ah I found one that looks exactly like mine on wiki
https://www.google.be/search?q=Echinopsis+calochlora&espv=2&...
https://de.wikipedia.org/wiki/Echinopsis_calochlora

I also think now this is a better match..I'll propose it to be moved to the right entry.
Thank You! Thijs! Thumbs up


Name: Zuzu
Northern California (Zone 9a)
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zuzu
Jan 19, 2016 10:53 PM CST

Moderator

wrong thread
[Last edited by zuzu - Jan 19, 2016 10:53 PM (+)]
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