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 long and tendril-like, and its seeds bear a distinctive horned shape, hence the common name. The species epithet palustris is Latin for "of the marsh" and indicates its common habitat.[3] A diploid, its chromosome number was confirmed as 2n = 24.[4]
| Zannichellia palustris | |
|---|---|
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Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Monocots |
| Order: | Alismatales |
| Family: | Potamogetonaceae |
| Genus: | Zannichellia |
| Species: | Z. palustris
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| Binomial name | |
| Zannichellia palustris | |
References
edit- ^ 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. p. 12.
- ^ "Horned Pondweed". Maryland Department of Natural Resources. Archived from the original on 2009-01-16. Retrieved 2009-04-18.
- ^ Archibald William Smith A Gardener's Handbook of Plant Names: Their Meanings and Origins, p. 258, at Google Books
- ^ 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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