Coryphantha potosiana
A small, clustering Coryphantha from the highland plateau of north-central Mexico, named for San Luis Potosí. Published detail is thin; treat it like other plateau Coryphantha: full sun, a mineral mix, summer water and a cold, dry winter.
Where it grows wild
Grassland and open scrub on stony ground in the Mexican plateau, inferred from the genus and the high-elevation record; detail specific to this species is scarce.
One record is at about 2260 m on the plateau in San Luis Potosí; the other at about 140 m in Nuevo León looks doubtful.
🔒 Growing it like that
The wild conditions above, turned into targets for a shelf, a tent or a greenhouse. The full profile has:
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More Coryphantha
Profiles are drafts built from measured range and climate and from published sources; each section carries its own confidence in the app. Photo from Wikimedia Commons, used under its CC BY 4.0 licence, unmodified.