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Species library › Micranthocereus › Micranthocereus polyanthus
Succulents Well documented

Micranthocereus polyanthus

A small columnar cactus from the dry interior of Bahia, Brazil. It is assessed as Endangered and known from only a handful of sites. It wants hot, very bright conditions, a drier mid-year season and warm nights. Like other Brazilian columnar cacti, it does not like cold.

Micranthocereus polyanthus
Photo: Brian Williams, CC BY 4.0, via Wikimedia Commons
At home, aim for
Day IntermediateTargets in Plantistry
Night A clear drop at nightTargets in Plantistry
Humidity Dry airBand in Plantistry
Light Full sunDLI and PPFD in Plantistry
Expects a seasonal restGrows on rock (lithophyte)

Where it grows wild

Rocky outcrops in caatinga and campo rupestre vegetation of central and southern Bahia, inferred from the genus and the recorded sites. It grows in full sun among rocks and shrubs.

Recorded at 475–1112 m, median 840 m (8 records).

Brazil Northeast

🔒 Growing it like that

The wild conditions above, turned into targets for a shelf, a tent or a greenhouse. The full profile has:

✓ Day and night temperature targets, and the limits it tolerates
✓ Humidity band, and how to hold it
✓ Light as DLI and PPFD for a grow light
✓ Wet and dry seasons, and whether to rest it
✓ Substrate and airflow
✓ A step-by-step setup to grow it like the wild

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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 4.0 licence, unmodified.