Neoporteria???

[cactushobbyman]

Shown in a 5.5 inch jumbo pot, about 7 inches tall.

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Thanks

[DaveW]

Eriosyce (Horridocactus - Neoporteria) paucicostata the "whitish" bodied form. This used to be more common in the UK, but now the greenish bodied one seems most common.

http://www.llifle.com/Encyclopedia/CACT ... 0%20km2%29.

http://www.cactus-art.biz/schede/ERIOSY ... iridis.htm

[anttisepp]

I still remember this species under the name Neochilenia (Sometimes it is called Pyrrhocactus also ).
I had both green and whitish forms until whitish died and it wasn't very easy to find new whitish seedling.
If it has enough space for roots and very much sun it grows in more globose form with dence long coal-black spines. Fantastic.