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How do these San Pedro look?

Migrated topic.
I would not buy those, they are predominant cultivar pachanoi and are experiencing etiolation during to inferior growing conditions, they will never thicken back up.
 
Never thicken back up? My experience is that new growth will be thicker if the conditions allow it. The parts that now are thin will of course not get thick, but you could always cut them off. However, this experience is from other cacti than Echinopsis, so I can't be too sure...
 
Evening Glory said:
Never thicken back up? My experience is that new growth will be thicker if the conditions allow it. The parts that now are thin will of course not get thick, but you could always cut them off. However, this experience is from other cacti than Echinopsis, so I can't be too sure...
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Your right, they will grow new thick growth if the conditions are right i.e. free draining nutritious soil with enough sunshine (the skinny bits will remain that way). But coatl is right, they look like PC Pach and they haven't been looked after. With a bit of patience and good hunting you will find good vigorous clones
 
How can you tell the difference between predominant and other cultivars?
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I can't even really explain it to you that well... it's just their overall look.

The P.C. pachanoi is sorta lime green and have no v-shaped notches above the areoles, but mostly it's just the overall look of the cactus.

cant I just take a cutting from the top skinny part?
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Yes of course, but that skinny part will always remain thin, it may thicken a little bit, but not much.
 
I can't even really explain it to you that well... it's just their overall look.

The P.C. pachanoi is sorta lime green and have no v-shaped notches above the areoles, but mostly it's just the overall look of the cactus.
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Hehe thats about as vague as trouts notes (i mean that in joking manner). SWIM read the entire book looking for some answers and realized no one has any clue about the chemotaxanomy of these cacti. It would be interesting to do such a study.
 
I honestly think looking at 1000s of pictures of Trichocereus cacti and debating about them is the only way to get even a basic understanding on Trichocereus identification.
 
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