Another I.d.

100mphtortoise(5)June 28, 2012

I got these two cactus and would like to know maybe what they are and how big they might get. Thanks

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    Bookmark   June 28, 2012 at 1:16PM
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ferocactuslatispinus(Zone 4/Sunset 43 WI)

The first looks like it might be a Ferocactus gracilis. Their central spine is flattened, but your cacti's central spine looks rounded to me. It could be because it's a juvenile and possibly hasn't grown in intense enough sunlight. I have a F. wislizenii that, until I recently placed it in full sun, had round central spines. The gracilis species grows to somewhere around 5 feet tall and 1 foot in diameter.

The second is definitely a Mammillaria. It could be a Mammillaria formosa. If it is, your specimen looks like it is closely reaching it's maximum size.

I'm not completely sure, but from what I see, they could be those species.

I love seeing new pics of Ferocacti! Thanks!

    Bookmark   June 28, 2012 at 2:29PM
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Second looks like a mammillaria wiesinegri

    Bookmark   June 28, 2012 at 3:15PM
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