Posts tagged pachycereus schotti montrose

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monstrose cactus

Remember this tastyprawn post the other day about IDing the cactus that I agreed was probably a Cylindropuntia species?  Well, I asked if anyone else had any ideas.  I got one response:

It’s a monstrose form of one of the columnar cactus, possibly Pachycereus schottii monstrose.

I would challenge this based on the following observation: P. schotti montrose seems to entirely lack the elliptical tubercles that are omnipresent on Cylindropuntia and the specimen in the post. 

While the lack of prominent spines is slightly problematic, a quick browsing of Google affirms that there certainly are a wide variety of spines or lack thereof.  I wonder if I can find an expert to check this one out.