Begonia madaiensis

A small-flowered cane begonia known only from Gunung Madai, a single limestone hill in the Lahad Datu district of Sabah, Borneo. It is unusual among begonias in tolerating full sun, and it will not flower in deep shade. As a narrow limestone endemic it is poorly documented in the wild.

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

No rest periodGrows on rock (lithophyte)

Where it grows wild

It grows on the limestone of Gunung Madai, one of 59 limestone hills in Sabah and one of the hills with begonias found nowhere else. It grows in exposed, bright places on the rock rather than in deep forest shade.

Lowland limestone hill. No elevation is published or recorded.

Malaysia (Sabah, Borneo)

🔒 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.