French
DeutschRuppia cirrhosa
| Ruppia cirrhosa | |
|---|---|
 | |
Scientific 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
[edit]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
[edit]- ^ 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.
- ^ NRCS. "Ruppia cirrhosa". PLANTS Database. United States Department of Agriculture (USDA). Retrieved 26 October 2015.
- ^ BSBI List 2007 (xls). Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-06-26. Retrieved 2014-10-17.
- ^ 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.
External links
[edit]
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