Utricularia tenuicaulis

A free-floating aquatic bladderwort described by Miki from Japan in 1935. It belongs to the U. australis and U. vulgaris group, and Wikipedia still redirects the name to U. australis. Kew now accepts it and lists it from Japan, the Russian Far East, Manchuria and France. It is a temperate species that overwinters as turions, so give it a cold winter.

At home, aim for

Day IntermediateTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Dry airBand in Plantistry

Light Full sunDLI and PPFD in Plantistry

Expects a seasonal restAquatic

Where it grows wild

It floats freely in ponds, ditches and slow, shallow, often acidic water. It has no roots and takes prey with bladders on its submerged leaves.

Recorded at 20-378 m, with a median of 106 m (35 records).

FranceJapanManchuriaPrimorye

🔒 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.