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Landoltia

Scientific Name: Landoltia

Family: Lemnaceae

Category: Monocot

Growth:

Duration:

Other Names:

       

Landoltia punctata: Dotted Duckmeat

Landoltia punctata, commonly known as dotted duckmeat (also sometimes spelled "dotted duckweed"), is a small, free-floating aquatic plant belonging to the duckweed family.

Considerations for Pets

  • Landoltia punctata is a small floating plant.

Considerations for Aquariums

  • Landoltia punctata can grow into dense masses in still water.
  • It is noted as being a fairly common plant in aquaria.

Taxonomy and Nomenclature

  • Scientific Name: Landoltia punctata (G. Mey.) Les &amp D.J. Crawford
  • Family: Lemnaceae (Duckweed Family)
  • Synonyms:
    • Lemna melanorrhiza F. Muell. ex Kurz
    • Lemna javanica F.A. Bauer ex Hegelm.
    • Spirodela oligorrhiza
    • Spirodela punctata (G. Meyer) C.H. Thompson
  • Taxonomic Rank: Species
  • In 1999, D.H. Les and D.J. Crawford proposed segregating Spirodela punctata into a new genus, Landoltia.

Distribution and Habitat

  • Native to Southeastern Asia and Australia.
  • Arguably native to the United States (e.g., California, Wisconsin).
  • Introduced to other regions globally.
  • Can be found growing in dense masses in still water.

Morphological Characteristics

  • A tiny free-floating aquatic plant.
  • Composed of individual fronds with fine roots.
  • The leaves are elliptical, 1.5-8 mm long.
  • Morphologically intermediate between Lemna and other species of Spirodela.
  • The ventral side (underside) of the plant is often reddish.
  • Produces a bisexual flower.
  • An annual or perennial herb.

Ecological Role

  • Listed in the Global Invasive Species Database.

Quirky Facts

  • Landoltia punctata has the ability to accumulate starch and is being investigated as a novel feedstock for bioethanol.

Interactions with Other Organisms

  • Being researched for potential role in plant growth promotion through Indole-3-acetic acid endophytic.

Further Information

  • Sequences of clones from the WSSP Landoltia punctata cDNA Library are available on the NCBI sequence databases.
  • Discover Life: Landoltia -- Discover Life
  • Biodiversity Heritage Library: Landoltia (Lemnaceae), a new genus of duckweeds
  • USDA PLANTS Symbol: LAPU12