Dendrobium wassellii

Furrowed pencil orchid

A small terete-leaved orchid endemic to the Iron and McIlwraith Ranges of Cape York Peninsula, Queensland, where it grows near the tops of rainforest trees, especially hoop pine, and sometimes on rocks. It carries crowded sprays of 10–60 white flowers with yellow centres in May–June. Grow it mounted in bright light, warm, with a drier winter.

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

It grows high in the crowns of rainforest trees, especially hoop pine (Araucaria cunninghamii), and sometimes on rocks. Its creeping, branched stems carry thin, cylindrical, furrowed leaves adapted to bright, breezy canopy conditions.

Recorded at 31–500 m, with a median of 400 m (18 records), in the ranges of eastern Cape York.

Queensland (Cape York Peninsula: Iron Range and McIlwraith Range)

🔒 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.