So what're these?

[eiac]

Sorry for the wall of text - the forum ignores my line breaks. I'll try to keep the post short because of it. ||||||

Here I have three cacti to ID. Two opuntiads and one columnar cactus. ||||||

The columnar cactus is about 90cm tall and has grown 1.5 inches this season (last 3 months). ||||||

The small opuntiad is an incredibly fast grower, both of the new pads have grown entirely in the last 5 weeks. Plant was a cutting bought mid 2013. ||||||

The large opuntiad is still a fast grower, but only grows at about half the speed of the small one. It has yet to send new offsets this season, new growth going to the smaller branches at the front of the picture. 70cm tall. ||||||

No flower info available for any of them, unfortunately, as I have only owned them for half a year or so.

[hostilis]

I think I see a trichocereus scopulicola on the right of the first picture. I'm sure you know this though. But the left hand one looks like some kind of oreocereus to me. Like one of those "old man of the andes" cacti.

Maybe Oreocereus pseudofossulatus

Edited January 10, 2014 by hostilis

[eiac]

It was sold as a pachanoi, definitely not a scop. Resembles pachanoi entirely - all of my pachanoi are from a 40-branch, 5 metre tall cactus up north. Many of the cuttings come from very large older stem sections, so spines fall off over the years. Seems the seller clipped off a few spines for shipping too. Any new growth has the normal amount of spines.

[hostilis]

Ah okay. The lack of spines and fat ribs must have tricked me.

[Nemisty]

Maybe Opuntia robusta for the 1st opuntia species you got there. Not sure about the second

[eiac]

Hostilis, here's a picture of the mother of my San Pedros, if you're interested. God I want one of those massive stems.

http://www.trademe.co.nz/home-living/outdoor-garden-conservatory/plants-trees/succulents-cacti/auction-683139102.htm

[hostilis]

Holy shit! That is beautiful!

[Evil Genius]

The Hairy One is in fact Oreocereus!

[hostilis]

Do you think it looks like an O. pseudofossulatus EG? I think that one fits it the best.