Pinguicula agnata
A Mexican butterwort from limestone cliffs in north-eastern Mexico. It forms flat, bluish-green carnivorous summer rosettes 3.5 to 8 cm across, and in the dry winter switches to a small, succulent rosette of hairy non-carnivorous leaves. It was the first carnivorous plant shown to use CAM photosynthesis. At home it needs a mineral mix, bright light, and a genuinely dry winter.
Where it grows wild
Grows on steep, often north-facing limestone cliffs and rocky slopes, sometimes alongside cacti and agaves in otherwise dry country, and in humid pine and pine-oak forest. The type locality in Hidalgo is a nearly sheer calcareous north-facing cliff at about 1524 m. Roots sit in thin crevice soil that drains instantly.
Measured records span 258 to 2395 m with a median of 1400 m; the type locality is at about 1524 m.
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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 3.0 licence, unmodified.