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Species library › Bulbophyllum › Bulbophyllum physometrum
Orchids Partly documented

Bulbophyllum physometrum

An epiphytic Bulbophyllum from Thailand, described in 2017 by Vermeulen, Suksathan and Watthana and the only species of its own section, Physometra. Its one measured site is in lowland south-eastern Thailand, at about 70 m, which is hot all year with a sharp dry season from December to February. Grow it warm, bright-shaded and humid, with a slightly drier winter.

Bulbophyllum physometrum
Photo: sunoochi, CC BY 2.0, via Wikimedia Commons
At home, aim for
Day Warm-growingTargets in Plantistry
Night Close to the dayTargets in Plantistry
Humidity Humid airBand in Plantistry
Light Dappled lightDLI and PPFD in Plantistry
Expects a seasonal restGrows on trees (epiphyte)

Where it grows wild

An epiphyte on trees; details of the forest type are not given in the sources we could open. The measured site lies in lowland south-east Thailand, a region of seasonal evergreen forest.

The single measured site is at about 68 m. Other elevations are unknown.

Thailand

🔒 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 CC BY 2.0 licence, unmodified.