What Mammillaria is this?

Post by **jadegarden** » Sun Sep 20, 2015 5:59 am

I have been calling this Mammillaria camptotricha but it came to me unnamed. This photo shows flowers, fruit and spines, so hopefully someone can help me to determine what it really is.

Strangely enough, when smaller, the spines were much longer and wilder, like those on the offsets around the base. I have no idea why it has grown to have such wimpy spines now that it is older and larger. It is in full sun, and gets watered just like the rest of my collection - not very frequently except when it is really hot and dry, and even then, we are usually in drought conditions so water is used sparingly.

Post by **rodsmith** » Sun Sep 20, 2015 10:03 am

It looks like camptotricha to me, Jan.

Post by **Thermoman** » Sun Sep 20, 2015 7:52 pm

rodsmith wrote:It looks like camptotricha to me, Jan.

It depends whether you are a disciple of the New Cactus Lexicon(NCL), Rod. This regards M. camptotricha as a subspecies of M. decipiens. If you look at the photographs on p.426 of the illustrations in the NCL (426.1 & 426.2) I think you might agree that Jan's plant looks rather more like M. decipiens decipiens than it does M. decipiens camptotricha.

Post by **jadegarden** » Mon Sep 21, 2015 4:26 am

I have M. decipiens F-140

And this is my albescens

And what the "camptotricha" used to look like

: Mammillaria decipiens ssp camptotricha Jan14.jpg (169.68 KiB) Viewed 2030 times

And this the other one still in a 4" pot

: Mammillaria decipiens ssp camptotricha Mar15.jpg (85.42 KiB) Viewed 2030 times

Post by **rodsmith** » Mon Sep 21, 2015 8:04 am

Thermoman wrote:
rodsmith wrote:It looks like camptotricha to me, Jan.
It depends whether you are a disciple of the New Cactus Lexicon(NCL), Rod. This regards M. camptotricha as a subspecies of M. decipiens. If you look at the photographs on p.426 of the illustrations in the NCL (426.1 & 426.2) I think you might agree that Jan's plant looks rather more like M. decipiens decipiens than it does M. decipiens camptotricha.

I don't own a copy of the NCL, Thermoman. I generally use The Cactus Family (Anderson) as my guide but it doesn't illustrate all species. I no longer have my "camptotrica" plant and bought it as M. camptotricha. I don't get hung up about names (all my Notocacti are labelled as Notocacti, not Parodia, for example). Using the NCL as your guide I think it's fair to say that Jan's plant is one of the subspecies of M. decipiens.

Post by **Tony R** » Mon Sep 21, 2015 9:35 am

Looks like you've got the complete set, Jan. Well done!

Post by **Thermoman** » Mon Sep 21, 2015 9:47 am

rodsmith wrote:I don't own a copy of the NCL.

I'll show you mine.

Post by **rodsmith** » Mon Sep 21, 2015 10:30 am

Thermoman wrote:
rodsmith wrote:I don't own a copy of the NCL.
I'll show you mine.

Yes please.

What Mammillaria is this?

What Mammillaria is this?

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