Aponogeton rigidifolius

Aponogeton rigidifolius

Also known as Rigid-leaf aponogeton, Stiff-leaved aponogeton, Banded aponogeton

FreshwaterRhizomeRhizome division

Care at a glance

Light
Medium light
CO2
CO₂ beneficial
Growth rate
Slow
Placement
Background
Type
Rhizome
Temperature
72–82°F (22–28°C)
pH
6.0–7.5
Hardness
2–10 dGH
Max height
23.6 in (60 cm)
Spread
9.8 in (25 cm)
Nutrient uptake
Root feeder
Growth region
Submersed
Difficulty
Medium
Origin
Native to slow and fast-flowing forest streams in southwestern Sri Lanka.
Family
Aponogetonaceae

Overview

Rigidifolius is a slower, light-loving plant that appreciates medium light, good flow, and CO2 for best growth. Because it grows from a rhizome rather than a tuber, it does not need a dormant rest and can stay planted year round. Set it in the mid to background and be patient while it establishes.

In the wild

Aponogeton rigidifolius produces long, stiff, banded leaves with a wavy edge that rise in a loose rosette. Unlike most of its genus it grows from a creeping rhizome rather than a round tuber. It comes from clear Sri Lankan forest streams with steady flow.

Good to know

Aponogeton rigidifolius is unusual in its family, Aponogetonaceae, because it forms a long, branching rhizome instead of a rounded tuber. It also skips the dormant rest period that many Aponogeton species need. These traits make it behave more like a typical rooted aquarium plant.

Did you know

Unlike most bulb-type Aponogeton, it grows from a creeping rhizome and does not need a dormant rest, so it behaves more like an ordinary rooted plant.

Appears in

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