Ruppia cirrhosa

Ruppia cirrhosa
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Monocots
Order: Alismatales
Family: Ruppiaceae
Genus: Ruppia
Species: R. cirrhosa
Binomial name
Ruppia cirrhosa
(Petagna) Grande

Ruppia cirrhosa is a species of aquatic plant known by the common names spiral ditchgrass[1] and spiral tasselweed.[2] It is native to the Americas and Europe, where it grows in freshwater bodies, such as lakes. It is a thread-thin, grasslike perennial herb which grows from a rhizome anchored in the wet substrate. It produces a long, narrow inflorescence tipped with two tiny flowers. As the fruit develops the peduncle of the inflorescence curls into a neat spiral.

References

  1. "Ruppia cirrhosa". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 26 October 2015.
  2. "BSBI List 2007". Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-02-25. Retrieved 2014-10-17.
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