Species library › Amorphophallus › Amorphophallus longispathaceus
Aroids Partly documented

Amorphophallus longispathaceus

A Philippine Amorphophallus named for its long spathe, growing from a tuber that sends up a single divided leaf each season. It grows in humid forest in warm, wet conditions and needs a tuber rest between leaves, kept barely moist and warm.

At home, aim for
Day Warm-growingTargets in Plantistry
Night Close to the dayTargets in Plantistry
Humidity Ordinary room humidityBand in Plantistry
Light Dappled lightDLI and PPFD in Plantistry
Expects a seasonal restGrows in the ground

Where it grows wild

Inferred from the genus and the records: the floor of lowland to submontane forest, forest edges and secondary growth, in humus-rich soil and broken shade.

Records sit between about 80 and 650 m; no elevations are recorded directly.

PhilippinesLuzonSamar

🔒 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.