Zannichellia palustris

Zannichellia palustris
Scientific classification
Kingdom: Plantae
Clade: Angiosperms
Clade: Monocots
Order: Alismatales
Family: Potamogetonaceae
Genus: Zannichellia
Species: Z. palustris
Binomial name
Zannichellia palustris
L.

Zannichellia palustris, the horned pondweed,[1] is a plant found in fresh to brackish waters in the United States (especially in the Chesapeake Bay),[2] Europe, Asia, Australasia, and South America. It is recognizable by its long, thread like leaves, and "stringy" appearance. Its roots are also long and tendril-like, and its seeds bear a distinctive horned shape, hence the common name. Chromosome number was confirmed as 2n = 24 in Japan.[3]

References

  1. Hadlington, Simon (2003-02-24). "Science & nature: Invasion of the Lakes ; Eighty years ago, a naturalist surveyed the Lake District's aquatic plant life. Ecologists recently repeated his work. The changes they found, says SIMON HADLINGTON, provide a stark warning". The Independent. pp. 12–12.
  2. "Horned Pondweed". Maryland Department of Natural Resources. Retrieved 2009-04-18.
  3. Norio Tanaka, Yu Ito, Ruriko Matsuyama and Koichi Uehara (2007) Chromosome numbers of Zannichellia L. (Zannichelliaceae) in Japan. Bulletin of the National Museum of Nature and Science. Series B 33: 133-136


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