Asplenium alatulum

A spleenwort up to 50 cm tall, from Wuzhishan (Five-Finger Mountain) on Hainan, where a recent taxonomic revision records it on rocks in ravines of broad-leaved forest at about 500–1600 m. The single measured site is warmer than those ravines, so the temperature targets are set somewhat cooler.

At home, aim for

Day IntermediateTargets 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

On rocks in ravines of broad-leaved evergreen forest, a shaded and humid streamside microhabitat. It has an erect to decumbent, densely scaly rhizome and tufted fronds.

About 500–1600 m, per the revision; specimens were collected at 870 m and 1550 m on Wuzhishan.

China (Hainan)Taiwan

🔒 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.