Helanthium bolivianum
A small rosette-forming water plant, the pygmy chain sword of the aquarium trade (formerly Echinodorus), that spreads by runners into a lawn. It grows submerged or emersed in shallow, sunny wetlands across tropical America and is easy in aquaria with moderate light.
Where it grows wild
Shallow margins of ponds, marshes, rice fields and slow streams, often on mud that floods and dries seasonally, usually in open sun.
Recorded from sea level to about 1,700 m, median about 350 m; mostly a lowland plant.
🔒 Growing it like that
The wild conditions above, turned into targets for a shelf, a tent or a greenhouse. The full profile has:
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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. Photo from Wikimedia Commons, used under its CC BY-SA 3.0 licence, unmodified.