Family: Ruppiaceae
Author: L.
Bibliography: Sp. Pl.: 127 (1753)
Year: 1753
Status: accepted
Rank: species
Genus: Ruppia
Vegetable: False
Observations: Cosmopolitan on shores of Lakes and Oceans
Description
Beaked Tasselweed
Beaked tasselweed, scientifically known as Ruppia maritima, is a fascinating aquatic plant first described in 1753 by L. Its cosmopolitan nature allows it to thrive along the shores of lakes and oceans worldwide. Classified under the family Ruppiaceae, beaked tasselweed is well-adapted to both saline and brackish waters.
The plant has a slender, grass-like appearance, which allows it to blend seamlessly into its watery habitat. Its delicate, filamentous leaves usually grow in clusters, giving the plant its characteristic “tassel” look. These leaves are typically narrow and elongated, aiding in the plant’s ability to float and sway with underwater currents.
Beaked tasselweed plays a vital role in aquatic ecosystems. It provides crucial habitat and food for a variety of marine and freshwater species, including fish, invertebrates, and waterfowl. The plant’s presence helps stabilize underwater sediments, reducing erosion and maintaining water clarity.
This species is also an indicator of water quality, as it tends to thrive in clean, unpolluted environments. The widespread distribution of Ruppia maritima makes it a key species for ecological studies related to aquatic environments and the impacts of pollution and climate change.
In summary, beaked tasselweed is a vital component of aquatic ecosystems across the globe, offering numerous ecological benefits and standing as a testament to the interconnectivity of natural habitats.
Common Names
Dan: almindelig havgræs
Deu: meeres-ruppie, strandsalde
Eng: beaked tasselweed, ditch-grass, sea tassel, sea-grass, widgeon-grass, widgeongrass, wigeon grass, sea ditchgrass, ditchgrass, species code: rm, tassel pondweed, beaked ditchgrass
Lav: juras rupija
Fra: ruppie maritime, rupelle maritime, ruppia maritime, persil d’eau
Nld: snavelruppia
Swe: hårnating, hårnate
Sme: vuoktaviđáš
Ita: erba da chiozzi comune
Cym: rwpia’r môr, rwppia morawl, tusau arfor, tusw arfor, tusw dyfrllys, tusw-dyfr-llys
En: Beaked tasselweed, Ditch-grass, Sea tassel, Sea-grass, Widgeon-grass, Widgeongrass, Beaked Ditch-Grass, Ditchgrass, Species code: Rm, Wigeon grass, Sea ditchgrass, Tassel Pondweed, Beaked ditchgrass, Spiral ditchgrass, Species code: rc
Ar: حنظلاد، حنظصلاد, ريم (رِيم)، حمول (حَمُول)
Bg: Морска рупия
Ca: Llapó de mar, Rúpia
Zh: 川蔓藻, 流蘇菜
Cs: Táhlice přímořská
Da: Almindelig havgræs
Nl: Snavelruppia
Et: Harilik heinmuda
Fi: Merihapsikka
Fr: Ruppie maritime, Rupelle Maritime, Ruppia maritime, Persil d’eau, Ruppie spiralée, Rupelle de trapani, Ruppie de trapani
De: Strandsalde, Meeres-Ruppie, Schnabel-Salde
He: רופיית הים
Is: Lónajurt
It: Erba da chiozzi comune, Fieno di mare
Lv: Juras rupija
Se: Vuoktaviđáš
No: Småhavgras
Pl: Rupia morska
Ru: Руппия морская
Sv: Hårnating, Hårnate
Zh-tw: 流蘇菜
Th: หญ้าตะกานน้ำเค็ม
To: Limuvai
Uk: Рупія морська
Cy: Tusw arfor, Rwpia’r Môr, Rwppia Morawl, Tusau Arfor, Tusw Dyfrllys, Tusw-Dyfr-Llys
Synonyms
- Ruppia maritima var. intermedia ((C.G.H.Thed.) Asch. & Graebn.)
- Ruppia maritima var. japonica (H.Hara)
- Ruppia rostellata var. brachypus ((J.Gay) T.Marsson)
- Buccaferrea maritima ((L.) Lunell)
- Ruppia maritima var. recta (Moris)
- Ruppia brachypus (J.Gay)
- Ruppia subsessilis (Thwaites)
- Ruppia trichodes (Durand)
- Ruppia curvicarpa (A.Nelson)
- Ruppia intermedia (Thed.)
- Ruppia maritima var. obliqua ((Griseb. & Schenk) Asch. & Graebn.)
- Ruppia maritima subsp. obliqua ((Griseb. & Schenk) Á.Löve & D.Löve)
- Ruppia maritima subsp. rostellata ((W.D.J.Koch ex Rchb.) Asch. & Graebn.)
- Ruppia maritima var. curvicarpa ((A.Nelson) Fernald & Wiegand)
- Ruppia spiralis subsp. transsilvanica ((Schur) Nyman)
- Ruppia maritima var. rostrata (C.Agardh)
- Ruppia maritima subsp. brachypus ((J.Gay) Bonnier & Layens)
- Ruppia maritima f. curvirostris (H.St.John & Fosberg)
- Ruppia taquetii (H.Lév.)
- Ruppia maritima var. exigua (Fernald & Wiegand)
- Ruppia zosteroides (Lojac.)
- Ruppia maritima var. pacifica (H.St.John & Fosberg)
- Ruppia pectinata (Rydb.)
- Ruppia spiralis subsp. longipes ((Hagstr.) Á.Löve & D.Löve)
- Ruppia maritima var. subcapitata (Fernald & Wiegand)
- Ruppia brachypus subsp. bahusiensis (Lindstr.)
- Ruppia maritima subsp. intermedia ((C.G.H.Thed.) Piper & Beattie)
- Ruppia maritima subsp. rostrata ((C.Agardh) Piper & Beattie)
- Ruppia brevipes (Bertol. ex Griseb.)
- Ruppia transsilvanica (Schur)
- Ruppia maritima f. pectinata (Hagstr.)
- Ruppia cirrhosa subsp. longipes ((Hagstr.) Á.Löve)
- Ruppia maritima subsp. brevirostris (C.Agardh)
- Ruppia maritima f. brevirostris (C.Agardh)
- Ruppia maritima var. minor (Mert. & W.D.J.Koch)
- Ruppia maritima var. brachypus ((J.Gay) K.Schum.)
- Ruppia maritima var. floridana (Graebn.)
- Ruppia maritima var. brevirostris ((C.Agardh) Asch. & Graebn.)
- Ruppia obliqua (Griseb. & Schenk)
- Ruppia rostellata (W.D.J.Koch ex Rchb.)
- Ruppia maritima var. onondagensis (Fernald & Wiegand)
- Ruppia salina (Schur)
- Ruppia maritima var. longipes (Hagstr.)
- Ruppia maritima f. aculeata (Hagstr.)
- Ruppia andina (Phil.)
Distribution
- Alabama (native)
- Alaska (native)
- Aldabra (native)
- Algeria (native)
- Altay (native)
- Angola (native)
- Argentina Northeast (native)
- Argentina Northwest (native)
- Aruba (native)
- Assam (native)
- Azores (native)
- Bahamas (native)
- Baleares (native)
- Baltic States (native)
- Bangladesh (native)
- Belarus (native)
- Belgium (native)
- Belize (native)
- Bermuda (native)
- Bolivia (native)
- Brazil Northeast (native)
- Brazil South (native)
- Brazil Southeast (native)
- British Columbia (native)
- Bulgaria (native)
- California (native)
- Canary Is. (native)
- Cape Provinces (native)
- Cape Verde (native)
- Cayman Is. (native)
- Central American Pac (native)
- Central European Rus (native)
- Chile Central (native)
- China North-Central (native)
- China Southeast (native)
- Chita (native)
- Colombia (native)
- Connecticut (native)
- Corse (native)
- Costa Rica (native)
- Cuba (native)
- Cyprus (native)
- Delaware (native)
- Denmark (native)
- East Aegean Is. (native)
- East European Russia (native)
- Ecuador (native)
- Egypt (native)
- El Salvador (native)
- Equatorial Guinea (native)
- Eritrea (native)
- Fiji (native)
- Finland (native)
- Florida (native)
- France (native)
- Free State (native)
- French Guiana (native)
- Føroyar (native)
- Gabon (native)
- Galápagos (native)
- Georgia (native)
- Germany (native)
- Ghana (native)
- Gilbert Is. (native)
- Great Britain (native)
- Greece (native)
- Guatemala (native)
- Gulf States (native)
- Guyana (native)
- Hainan (native)
- Haiti (native)
- Hawaii (native)
- Honduras (native)
- Iceland (native)
- India (native)
- Iran (native)
- Iraq (native)
- Ireland (native)
- Italy (native)
- Jamaica (native)
- Japan (native)
- Kazakhstan (native)
- Korea (native)
- Krasnoyarsk (native)
- Kriti (native)
- Krym (native)
- KwaZulu-Natal (native)
- Lebanon-Syria (native)
- Leeward Is. (native)
- Libya (native)
- Louisiana (native)
- Madagascar (native)
- Madeira (native)
- Magadan (native)
- Maine (native)
- Malaya (native)
- Marianas (native)
- Maryland (native)
- Masachusettes (native)
- Mauritania (native)
- Mauritius (native)
- Mexico Central (native)
- Mexico Gulf (native)
- Mexico Northeast (native)
- Mexico Northwest (native)
- Mexico Southeast (native)
- Mexico Southwest (native)
- Mississippi (native)
- Morocco (native)
- Myanmar (native)
- Namibia (native)
- Nansei-shoto (native)
- Netherlands (native)
- Netherlands Antilles (native)
- New Brunswick (native)
- New Caledonia (native)
- New Hampshire (native)
- New Jersey (native)
- New South Wales (native)
- New York (native)
- Newfoundland (native)
- Nicaragua (native)
- Nigeria (native)
- North Carolina (native)
- North Caucasus (native)
- North European Russi (native)
- Northern Territory (native)
- Northwest European R (native)
- Norway (native)
- Nova Scotia (native)
- Ogasawara-shoto (native)
- Oman (native)
- Ontario (native)
- Oregon (native)
- Pakistan (native)
- Palestine (native)
- Panamá (native)
- Paraguay (native)
- Peru (native)
- Philippines (native)
- Phoenix Is. (native)
- Poland (native)
- Portugal (native)
- Primorye (native)
- Prince Edward I. (native)
- Puerto Rico (native)
- Qinghai (native)
- Queensland (native)
- Québec (native)
- Rhode I. (native)
- Rodrigues (native)
- Romania (native)
- Réunion (native)
- Sakhalin (native)
- Sardegna (native)
- Saskatchewan (native)
- Saudi Arabia (native)
- Senegal (native)
- Sicilia (native)
- Sinai (native)
- Socotra (native)
- South Australia (native)
- South Carolina (native)
- South China Sea (native)
- South European Russi (native)
- Spain (native)
- Sri Lanka (native)
- Sudan (native)
- Suriname (native)
- Sweden (native)
- Tadzhikistan (native)
- Taiwan (native)
- Tanzania (native)
- Texas (native)
- Thailand (native)
- Tonga (native)
- Transcaucasus (native)
- Trinidad-Tobago (native)
- Tunisia (native)
- Turkey (native)
- Turkey-in-Europe (native)
- Turkmenistan (native)
- Turks-Caicos Is. (native)
- Ukraine (native)
- Uzbekistan (native)
- Venezuela (native)
- Venezuelan Antilles (native)
- Victoria (native)
- Vietnam (native)
- Virginia (native)
- Washington (native)
- West Himalaya (native)
- Western Australia (native)
- Windward Is. (native)
- Xinjiang (native)
- Yemen (native)
- Yugoslavia (native)
- Zaïre (native)
Additional Images
Leaf
Taken Jul 21, 2022 by Jona Lumo (cc-by-sa)
Habit
Taken Jun 11, 2004 by Tela Botanica − Liliane Roubaudi (cc-by-sa)
Taken Jun 11, 2004 by Tela Botanica − Liliane Roubaudi (cc-by-sa)
Taken Sep 6, 2015 by Tela Botanica − Yoan MARTIN (cc-by-sa)
Taken Sep 6, 2015 by Tela Botanica − Yoan MARTIN (cc-by-sa)
Taken Sep 6, 2015 by Tela Botanica − Yoan MARTIN (cc-by-sa)
© copyright of the Board of Trustees of the Royal Botanic Gardens, Kew.
© copyright of the Board of Trustees of the Royal Botanic Gardens, Kew.
© copyright of the Board of Trustees of the Royal Botanic Gardens, Kew.
Other
Taken Jan 1, 1970 by Photoflora – L’Abbé COSTE (©)
Taken Jan 1, 1970 by Photoflora – L’Abbé COSTE (©)
Taken Aug 15, 2017 by Photoflora – Benoit BOCK (©)
Taken Jun 30, 1850 by Tela Botanica − Herbier PONTARLIER-MARICHAL (cc-by-sa)
Taken May 31, 1849 by Tela Botanica − Herbier PONTARLIER-MARICHAL (cc-by-sa)
Fruit
Taken Jun 11, 2004 by Tela Botanica − Liliane Roubaudi (cc-by-sa)
Taken Jun 11, 2004 by Tela Botanica − Liliane Roubaudi (cc-by-sa)
Sources
- WFO (No URL)
- IPNI (No URL)
- GBIF (https://www.gbif.org/species/2864004)
- POWO (http://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:224565-2)
- PlantNet (https://identify.plantnet.org/species/the-plant-list/Ruppia maritima L.)
Specifications
Growth form: Rhizomatous
Growth habit: Forb/herb
Growth rate: Rapid
Growth
Ph maximum: 8.5
Ph minimum: 5.4
Light: 8
Atmospheric humidity: 9
Bloom months: [‘may’, ‘jun’, ‘jul’, ‘aug’, ‘sep’]
Soil nutriments: 6
Soil salinity: 8
