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Species library › Philodendron › Philodendron williamsii
Aroids Partly documented

Philodendron williamsii

Now Thaumatophyllum williamsii, this large self-heading Philodendron relative was described by J.D. Hooker in 1871 from plants collected near Salvador, Bahia, and flowered at Kew. The measured sites are warm, coastal and humid, with little seasonal temperature change.

Philodendron williamsii
Photo: W.H. Fitch, Public domain, via Wikimedia Commons
At home, aim for
Day Warm-growingTargets in Plantistry
Night Close to the dayTargets in Plantistry
Humidity Ordinary room humidityBand in Plantistry
Light Bright, filtered lightDLI and PPFD in Plantistry
No rest periodGrows in the ground

Where it grows wild

It comes from coastal Bahia in north-eastern Brazil. Like other Thaumatophyllum it forms a thick, self-heading stem and grows on the ground or on rocks.

The measured range runs from 0 to 1,300 m, with a median of 50 m. It is mostly coastal lowland.

Brazil

🔒 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 Public domain licence, unmodified.