Utricularia julianae

A tiny annual terrestrial bladderwort, 3.5–5.5 cm tall with white flowers, described by Delprete in 2014. It is known from a single population of under 50 plants in Savane Jardin Caché, a coastal savanna near the Oyapock River in French Guiana. It lives only a few weeks on waterlogged sand in the rainy season.

At home, aim for

Day Warm-growingTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Humid airBand in Plantistry

Light Bright, filtered lightDLI and PPFD in Plantistry

Expects a seasonal restGrows in the ground

Where it grows wild

The protologue describes an open grass and sedge savanna with Eriocaulaceae, surrounded by primary forest. Plants grew in the semi-shade of the forest edge on coarse black-and-white granitic sand, soaked but not flooded, towards the end of the rainy season.

Coastal savanna at low elevation.

French Guiana

🔒 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.