Opuntia from Monument Valley

If you have a cactus plant and need help identifying it, this is the place to post it.
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manz4031
Posts: 9
Joined: Thu Jul 23, 2015 3:17 pm

Opuntia from Monument Valley

Post by manz4031 »

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I photographed this cactus at Monument Valley in Arizona on 6/3/15. It's obviously an opuntia but I'd be interested in knowing precisely what species. This was the only one I saw at Monument Valley, although there appeared to me more along the roadside between Monument Valley and Kayenta.
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vlani
Posts: 2185
Joined: Fri Apr 11, 2008 5:40 pm
Location: Mountain View CA

Re: Opuntia from Monument Valley

Post by vlani »

Probably polyacantha.
manz4031
Posts: 9
Joined: Thu Jul 23, 2015 3:17 pm

Re: Opuntia from Monument Valley

Post by manz4031 »

Thanks. That is what I thought too. I'm glad I got it right. mat
A. Dean Stock
Posts: 458
Joined: Sat Oct 16, 2010 2:41 am
Location: 40 south 7440 east Kanab, Utah (Johnson Canyon)

Re: Opuntia from Monument Valley

Post by A. Dean Stock »

Sorry I'm late to this. The plant is probably Opuntia nicholii rather than O. polyacantha.
Dean
Albert Dean Stock,Ph.D.
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