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Species library › Oncidium › Oncidium leucomelas
Orchids Little published: much of this is inferred from related species

Oncidium leucomelas

A Central American Oncidium from Guatemala and Honduras, formerly Odontoglossum, Miltonia or Miltonioides leucomelas. Like its Miltonioides relatives it is a medium-sized epiphyte for intermediate conditions with a distinct drier spell in late winter and spring.

Oncidium leucomelas
Photo: Heinrich Gustav Reichenbach, Public domain, via Wikimedia Commons
At home, aim for
Day IntermediateTargets in Plantistry
Night Close to the dayTargets in Plantistry
Humidity Ordinary room humidityBand in Plantistry
Light Bright, filtered lightDLI and PPFD in Plantistry
Expects a seasonal restGrows on trees (epiphyte)

Where it grows wild

No species-specific habitat notes were found; Miltonioides-group Oncidium are epiphytes of humid premontane and montane forest in Mesoamerica.

Unknown; the climate points are country-level sites at 353 and 433 m, while relatives mostly grow at mid elevations.

GuatemalaHonduras

🔒 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.