Amorphophallus prainii

A tuberous lowland Amorphophallus of the Malay Peninsula, southern Thailand and Sumatra, producing a single large divided leaf and, from mature tubers, a short purple-brown spathe. It wants warm, humid conditions all year with a dormant spell after each leaf dies.

At home, aim for

Day Warm-growingTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Humid airBand in Plantistry

Light Dappled lightDLI and PPFD in Plantistry

Expects a seasonal restGrows in the ground

Where it grows wild

A terrestrial geophyte of lowland forest, forest edges and disturbed secondary growth, often in partial shade.

Lowland; the measured sites are at 17–196 m.

Peninsular MalaysiaThailandSumatraLaos

🔒 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-SA 3.0 licence, unmodified.