Freshwater
Rootless duckweed
Wolffia arrhiza
Araceae
Facts
Care
We have no care for this plant yet. If you know how it thrives, you can suggest it.
Range
NativeIntroduced
Lives wild in Algeria, Angola, Austria, Baltic States, Bangladesh, Belgium, Benin, Botswana, and 42 more countries.
Introduced to Brazil, Japan, and United States.
More about the species
Description
Wolffia arrhiza, commonly known as rootless duckweed or spotless watermeal, is a species of flowering plant in the family Araceae, which includes other water-loving plants such as Lemna and Pistia. It is the smallest vascular plant on Earth. Native to Europe, Africa, and parts of Asia, it has also become naturalised in various other regions around the globe.
Other names
Other scientific names
- Bruniera vivipara
- Horkelia arrhiza
- Lemna arrhiza
- Lenticula arrhiza
In other languages
- Vesilinssi
- Spotless watermeal
Articles
All articles
How to set up an African aquarium5 min read
Two completely different aquariums: forest rivers with soft, brown water, roots and leaves, and Rift Valley lake cichlids in hard, alkaline water with big rock piles.
How to set up an Asian aquarium5 min read
Two aquariums from Southeast Asia: calm forest streams and peat swamps with soft, brown water, and fast mountain streams with cool, oxygen-rich water.
How to set up a European aquarium5 min read
A coldwater aquarium with European fish and plants, without a heater. The water follows the seasons, and summer heat is the biggest problem.
How to care for aquarium plants3 min read
Light, nutrients and CO₂ in balance, low tech versus high tech, and how to read from the leaves what your plants are missing.