Asplenium diplazisorum

A rain-forest spleenwort of West and Central Africa, from Guinea to Uganda, and Madagascar, described by Hieronymus. 'diplazisorum' and 'diplaziosorum' are both spellings of this name in the checklists. Labels place it in primary and old secondary rain forest, in riverine forest, and on rocks in streams. Grow it as a warm, humid, shaded forest fern.

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 in the ground

Where it grows wild

It grows in primary and old secondary rain forest, in riverine forest by treefall gaps, and on rocks in streams (Danyi N'Digbé, Togo). In Madagascar it grows in mid-elevation humid forest.

Recorded elevations are 282–1,400 m, with a median of 618 m. Madagascar records are from about 1,000 m.

GuineaSierra LeoneLiberiaIvory CoastGhanaTogoCameroonGabonCongoCentral African RepublicD.R.CongoUgandaMadagascar

🔒 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.