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Aroids Well documented

Philodendron fragile

A critically endangered hemiepiphytic Philodendron known only from the Macaé de Cima area in the mountains of Rio de Janeiro state, Brazil. It climbs in humid, shady Atlantic Forest at around 900 m. Its leaves are 15–37 cm long and egg-shaped to triangular, and new stems are pale green. It wants a mild subtropical-montane climate: warm, humid summers and cooler, somewhat drier winters.

At home, aim for
Day IntermediateTargets in Plantistry
Night Close to the dayTargets in Plantistry
Humidity Humid airBand in Plantistry
Light ShadeDLI and PPFD in Plantistry
Expects a seasonal restClimber

Where it grows wild

It grows as a hemiepiphytic climber in humid, shady places within montane and submontane Atlantic Forest in the Serra do Mar. It is rare even inside its protected area. It flowers from October to January and fruits from January to February.

It is reported at about 900 m. The Macaé de Cima protected area spans 191–1,892 m, but the GBIF records here carry no elevation.

Brazil Southeast (Rio de Janeiro)

🔒 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.