Aponogeton rigidifolius
A Sri Lankan aquatic with long, stiff, dark green submerged leaves rising from a creeping rhizome rather than a tuber. Unlike most of its genus it needs no rest period, grows slowly and becomes robust once settled, making it a background plant for the patient aquarist.
Where it grows wild
Fully submerged in deeper water of streams and rivers in Sri Lanka's lowland wet zone, rooted in sand.
The two records lie in the lowland wet zone, around 100–300 m.
🔒 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 Aponogeton
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 4.0 licence, unmodified.