Marcgravia longifolia

A root-climbing liana of the lowland Amazon of Loreto, Peru, and adjacent Colombia, described by Macbride in 1934. Almost nothing is published on it beyond the description and herbarium labels, but its range sits in some of the wettest, most thermally stable forest on the continent, so it is a warm, constant-humidity shingle-stage subject for a sealed terrarium.

At home, aim for

Day Warm-growingTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Very humid airBand in Plantistry

Light ShadeDLI and PPFD in Plantistry

No rest periodClimber

Where it grows wild

Wet lowland terra firme and floodplain rainforest of the upper Amazon, at 90–295 m. Like the rest of the genus it starts as a shingling juvenile flat against tree trunks in the understory and only reaches brighter light as an adult with free-hanging fertile branches.

Recorded at 90–295 m, median 150 m; a true lowland species.

PeruColombia

🔒 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.