Bulbophyllum proboscideum

A long-tailed Cirrhopetalum-type Bulbophyllum from the Mekong lowlands of Indochina, known from old French collections at Bassac in Laos and Nong Khai in Thailand. Nothing about its habitat is recorded, so it is best treated like other lowland Indochinese bulbophyllums: warm, bright and humid in the monsoon, with a clear cool dry season.

At home, aim for

Day Warm-growingTargets 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

An epiphyte with creeping rhizomes and small pseudobulbs, placed in section Cirrhopetaloides (formerly the genus Mastigion). Its forest type is not documented; the Mekong lowlands where it was collected carry seasonal, partly deciduous forest.

Both known specimens come from the Mekong valley at roughly 100–200 m; no elevations are recorded.

LaosThailand

🔒 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.