Gymnocalycium nigriareolatum
A flattened, grey-green Gymnocalycium with dark areoles and stout spines from the Sierra de Ancasti area of Catamarca, Argentina. It needs bright light, warm wet summers and a cool, dry winter. It is a straightforward grower in a mineral mix.
Where it grows wild
Rocky slopes and grassy or shrubby hillsides in the eastern Catamarca sierras, often among stones or under low shrubs, in sun to light shade.
The main site is at about 1400 m; the species grows at about 1000–1500 m.
🔒 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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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-SA 4.0 licence, unmodified.