duckweed


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duckweed,

any plant of the genus Lemna and sometimes of related genera. Duckweeds are tiny floating or submerged aquatic plants with reduced or obsolete roots. They flower only rarely, and their flowers are small and inconspicuous. Duckweeds grow in freshwater throughout most of the world. They are classified in the division MagnoliophytaMagnoliophyta
, division of the plant kingdom consisting of those organisms commonly called the flowering plants, or angiosperms. The angiosperms have leaves, stems, and roots, and vascular, or conducting, tissue (xylem and phloem).
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, class Liliopsida, order Arales, family Lemnaceae.
References in periodicals archive ?
2003) conducted a pilot test in the laboratory on the performance of the duckweed plant in different types of wastewater in achieving nutrient removal, discovering it to be a promising macrophyte for this use.
Jessica Harrington, trainer of Duckweed She's had only three runs over fences but she won a point-topoint before we got her and won nicely at Limerick last time.
Duckweed protein has higher concentration of essential amino acids, lysine and methionine, than most plant proteins and more closely resembles animal protein in that respect.
We have a duckweed problem with our pond - the surface of the water is covered in its tiny leaves, making it difficult to believe there's any water underneath.
It is Wolffia arrhiza, a species of flowering plant known by the common names spotless watermeal and rootless duckweed, belonging to the Araceae, a family rich in water-loving species.
When growing rice with integrated rice duck methods, we use azolla and/or duckweed to provide extra nitrogen for the rice via the ducks.
She worked in the ECU lab of Prem Sehgal, a botanist exploring the life cycle of the duckweed Lemnoideae.
100% organic Garden Genie cleans algae bloom, blanket weed, green scum, duckweed and more
Similarly the capacity of vascular aquatic plants to assimilate nutrients from polluted waters is well recognized viz, duckweed and Azolla offer potential alternatives for treating sewage.
Then, as I pleaded for her to come back, she stepped off into open water covered with green duckweed that made it look like solid ground.
The search for a less-expensive, sustainable source of biomass, or plant material, for producing gasoline, diesel, and jet fuel has led scientists to duckweed, that fast-growing floating plant that turns ponds and lakes green, relates a report in Industrial & Engineering Chemistry Research.
The aim of this study was to investigate the effects of lead on the biochemical and physiological processes in duckweed (Lemna minor L.