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Ruppia cirrhosa

From Wikipedia, the free encyclopedia

Ruppia cirrhosa
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Alismatales
Family: Ruppiaceae
Genus: Ruppia
Species:
R. cirrhosa
Binomial name
Ruppia cirrhosa

Ruppia cirrhosa is a species of aquatic plant known by the common names spiral ditchgrass[2] and spiral tasselweed.[3] It is native to north Africa, South Africa and parts of Europe,[1] 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.[citation needed]

Taxonomy and nomenclature

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A lectotype for this name is designated and the name is shown to be a homotypic synonym of R. maritima.[4] Consequently, R. spiralis has nomenclatural priority over R. cirrhosa for the long- and coiled-pedunculate Ruppia.

References

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  1. ^ a b Short, F.T.; Carruthers, T.J.R.; Waycott, M.; Kendrick, G.A.; Fourqurean, J.W.; Callabine, A.; Kenworthy, W.J.; Dennison, W.C. (2010). "Ruppia cirrhosa". IUCN Red List of Threatened Species. 2010: e.T164280A5808308. doi:10.2305/IUCN.UK.2010-3.RLTS.T164280A5808308.en. Retrieved 16 June 2024.
  2. ^ USDA, NRCS (n.d.). "​Ruppia cirrhosa​". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 26 October 2015.
  3. ^ BSBI List 2007 (xls). Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-06-26. Retrieved 2014-10-17.
  4. ^ Ito, Y.; Ohi-Toma, T.; Nepi, C.; Santangelo, A.; Stinca, A.; Tanaka, N.; Murata, J. (2017). "Towards a better understanding of the Ruppia maritima complex (Ruppiaceae): Notes on the correct application and typification of the names R. cirrhosa and R. spiralis". Taxon. 66 (1): 167–171. doi:10.12705/661.11.
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