Mammillaria malinalcoma or sp. Malinalco

I have seen this plant name, and believe that it comes from Malinalco which is a town in the south east of Mexico state. The plant itself looks like aform of M. rhodantha. Does anyone know anything more about it - our good friends Koehres sell seed for it as sp. Malinalco.

Here is a photo of it.....not mine..at least not yet....

Anyone who has any idea?

BUMP

Sorry Chris, never heard of it. Do you have a picture of the whole plant?

Here's the whole plant: as you can see there is just a hint of a hooked spine, but very rarely and hardly bent, let alone hooked. around 17 radials, and 5-6 centrals.

My only other thought is another straigher spined form of nunezii. Based on the geography, it can't be bella, but then nunezii isn't reported to my knowledge from Mexico state either.

The name of the village Malinalco doesn't pop up in any field list, so we could not compare with any specie. I know this is a region were rhodantha does grow, but your plant isn't rhodantha (no hooked spines). It resembles to M. supraflumen, but supraflumen grows in Jalisco which is a few 100 km further away. My second thought was a form of M. marcosi which grows in Guanajuato and this is a bit closer to Mexican State than Jalisco. This is only a wild guess of course, because the flowers don't match. My third thought and probably the right one is that your plant is a spinosissima form. It occurs in Mexico State, the flower colour is the right one and can have sometimes a hooked spine. I think it's very relative with M. haasi which grows 60 km north east in Tejupilco.

I also have one plant coming from Koeres seed as Spec. Malinalco, but mine is denser of spines and more red.
No doubt for me that it's M.spinisissima, also coming from the Mexican state.

Thanks, Walter and Hugo.
So two votes for spinosissma, against my initial view of nunezii. I guess I must give in gracefully ! but isn't it a bit short on number of spines?

Just an update to close this off - I have heard from Koehres, who confirm that this plant from Malinalco is indeed a form of spinosissima.
NOw I can write the lables!!