Rotala rotundifolia
A creeping and erect amphibious herb of wet ground across tropical and subtropical Asia, best known as an easy aquarium stem plant. Emersed it has round leaves and pink flower spikes; submersed it grows narrow leaves that turn pink to red under strong light.
Where it grows wild
Grows in rice fields, ditches, stream banks, seepages and other wet open places, emersed or partly submerged, usually in full sun.
Recorded from near sea level to about 2,300 m, median about 1,650 m among the few dated records.
🔒 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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More Rotala
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.