Species library › Begonia › Begonia ozotothrix
Begonias Partly documented

Begonia ozotothrix

A shrubby Begonia endemic to Sulawesi, described by D.C. Thomas and known from a few collections on wet limestone rock walls beside rivers. It has hairy dark green leaves and pink flowers, and some forms have silvery veins or hairy, serrated margins. For growers it is a terrarium plant for deep shade: warm, very humid and always damp, much like its shaded riverside cliffs.

At home, aim for
Day Warm-growingTargets in Plantistry
Night Close to the dayTargets in Plantistry
Humidity Humid airBand in Plantistry
Light ShadeDLI and PPFD in Plantistry
No rest periodGrows on rock (lithophyte)

Where it grows wild

Wet, shaded limestone. The type collection near Watusongo village on Gunung Katopas was 'on wet rock wall at riverbank' in full shade, and older collections from Bantimurung and Karaenta in the south-western peninsula are from rock walls and limestone hill slopes. Wikipedia calls it an epiphyte on moist limestone near riverbanks, but the specimen labels describe a plant rooted on rock, so it is best treated as a lithophyte.

Specimen labels give about 50 m at Bantimurung and 615 m on Gunung Katopas, so it is a lowland to low-hill plant.

Sulawesi

🔒 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.