Mammillaria sanchez-mejoradae
A small, little-known Mammillaria described in 1992 from northeastern Mexico. Records fall in Chihuahuan Desert uplands at roughly 1,300β2,300 m, with hot wet summers and cold, dry winters, so it wants full sun and a dry winter rest.
Where it grows wild
Chihuahuan Desert scrub on the uplands of northeastern Mexico; like related small mammillarias it likely grows on stony, often limestone slopes, partly shaded by shrubs or grasses.
The three recorded sites are at about 1,300, 1,700 and 2,300 m.
π 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 Mammillaria
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 2.0 licence, unmodified.