Marcgravia maguirei

A Guayana Highland Marcgravia named by de Roon in 1970 after Bassett Maguire, the New York botanist who explored the Venezuelan tepuis. Its three wild records are from the Cerro de la Neblina and Cerro Duida region on the Venezuela–Brazil border, mostly at 1,400–1,550 m, so it is a cool-growing, cloud-forest root-climber rather than a lowland Amazon species.

At home, aim for

Day IntermediateTargets 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

Montane and tepui-slope cloud forest of the Guayana Shield, with one record from lowland forest of the Orinoco basin. Juveniles shingle on wet, moss-covered trunks and rock in dim, saturated understory; adults reach brighter light with free-hanging fertile branches.

Two records at 1,400–1,550 m, one at about 115 m; the montane sites are probably typical.

VenezuelaBrazil North

🔒 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.