Cholla (Cylindropuntia ursina)

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Zaragoza Zaragoza, Spain(Zone 8b) Dec 03, 2009

Cholla
Cylindropuntia ursina

Cylindropuntia ursina in my garden

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Post #7332188
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CactusJordi El Cajon, CA Dec 04, 2009

In which book did you find a Cylindropuntia ursina?
As far as I know there is only a (Platy)opuntia ursina. Aka Opuntia polyacantha v. erinacea.

If yours actually is cylindrical it must be another Cylindropuntia or Grusonia.

Jordi

Post #7333262
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Xenomorf Phoenix, AZ(Zone 9b) Jul 21, 2010

This is actually Opuntia polyacantha var. erinacea,
http://davesgarden.com/guides/pf/showimage/50705/

What Zaragoza might be thinking of is...Opuntia polyacantha v. erinacea f. ursina, which has bleach white spines and very long spines (about 7 inches long). (aka: O. polyacantha f. ursina)
But this photo is Not of that.

Xeno.

This message was edited Jul 21, 2010 4:12 AM

This message was edited Jul 21, 2010 2:21 PM

Post #7985093
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CactusJordi El Cajon, CA Jul 21, 2010

Hence this Cylindropuntia entry should be deleted and the photo moved!

Jordi

Post #7986078
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Xenomorf Phoenix, AZ(Zone 9b) Jul 21, 2010

Yes.

Post #7986113
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Zaragoza Zaragoza, Spain(Zone 8b) Jun 20, 2012

I don't use books for name my cacti... this plant (died long time ago) was received from a cacti collector and was sent to me with this name. I will be grateful with a correct identification of the plant of the photo.

Post #9172770
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Xenomorf Phoenix, AZ(Zone 9b) Jun 20, 2012

The variety has been changed now.
The correct identification of this plant is Opuntia polyacantha var. nicholii
Sample: http://davesgarden.com/guides/pf/showimage/50703/

Post #9173070
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