Adiantum obovatum

A small maidenhair of the Adiantum gravesii group, described in 2017 from the entrances of karst caves in Guangxi, China. It grows on moist, moss-covered limestone soil where water drips, so it needs lime, constant moisture, low light and a cool, sheltered microclimate.

At home, aim for

Day IntermediateTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Very humid airBand in Plantistry

Light Deep shadeDLI and PPFD in Plantistry

No rest periodGrows on rock (lithophyte)

Where it grows wild

Grows in moist chalky limestone soil covered with moss or black lichen near karst cave entrances, where water drips. Recorded from caves in Huanjiang, Fengshan, Bama and Daxin counties, Guangxi.

The type site near Fengshan, Guangxi, is at about 24.4° N; elevations were not given in the sources seen.

China Southeast

🔒 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.