Round-fruit rush (Juncus compressus, Enum. Stirp. Vindob.: 60, 235 (1762))

Family: Juncaceae

Author: Jacq.

Bibliography: Enum. Stirp. Vindob.: 60, 235 (1762)

Year: 1762

Status: accepted

Rank: species

Genus: Juncus

Vegetable: Unknown

Observations: Temp. Eurasia

Description

Round-fruit rush, scientifically known as Juncus compressus, is a distinctive species belonging to the Juncaceae family. This rush plant is native to temperate regions of Eurasia, where it thrives in its natural habitats.

Juncus compressus showcases a robust and unique morphology, characterized by its round fruits that distinguish it from other species within the Juncus genus. The structural features of round-fruit rush are essential for both its identification and ecological role within its native range.

The historical classification of round-fruit rush dates back to 1762, when it was first described and documented by Jacquin in the publication “Enumeratio Stirpium Viennesium” (Enum. Stirp. Vindob.: 60, 235). This early botanical work laid the foundation for understanding the attributes and classification of the species within the broader context of plant taxonomy.

Round-fruit rush is typically found in wetland areas, thriving in moist, temperate environments that provide the ideal conditions for its growth. Its adaptation to such habitats is crucial for maintaining the ecological balance, as it contributes to the biodiversity and stability of these ecosystems.

The significance of Juncus compressus extends beyond its ecological contributions; its presence is also a valuable indicator of the health of wetland ecosystems. Given the increasing environmental pressures on these habitats, understanding and preserving species like the round-fruit rush is of paramount importance for conservation efforts.

In essence, Juncus compressus, or the round-fruit rush, is a vital species within its native Eurasian range. Its historical documentation and ecological role underscore the importance of studying and conserving this distinctive rush plant for future generations.

Common Names

Dan: fladstrået siv
Deu: platthalm-binse, zusammengedrückte binse
Eng: round-fruit rush, roundfruit rush, compressed rush, round-fruited rush, flattened rush
Nno: flatsiv
Nob: flatsiv
Fra: jonc comprimé, jonc à tiges comprimées, jonc à tiges aplaties
Nld: platte rus
Swe: stubbtåg, tannervihvilä
Fin: tannervihvilä
Cym: brwynen dalgron, brwynen ffrwythgron
Ita: giunco compresso
En: Round-fruit rush, Roundfruit rush, Compressed rush, Round-fruited Rush, Flattened rush
Ar: أسل مضغوط
Be: Сітнік сплюшчаны
Bg: Сплескана дзука
Ca: Jonc comprimit
Zh: 扁茎灯心草
Cs: Sítina smáčknutá
Da: Fladstrået siv
Nl: Platte rus
Et: Lapik luga
Fi: Tannervihvilä
Fr: Jonc comprimé, Jonc à Tiges Aplaties, Jonc à tiges comprimées
De: Zusammengedrückte Binse, Platthalm-Binse, Plattstengelige Binse
It: Giunco compresso
Lv: Plakanais donis
Nb: Flatsiv
Nn: Flatsiv
Pl: Sit ściśniony
Ru: Ситник сплюснутый
Sv: Stubbtåg, Tannervihvilä
Zh-tw: 扁莖燈心草
Zh-hant: 扁莖燈心草
Cy: Brwynen ffrwythgron, Brwynen Dalgron

Synonyms

• Juncus compressus f. elongatus (Asch. & Graebn.)
• Juncus compressus f. laxus ((Asch. & Graebn.) Borza)
• Juncus compressus var. euxinus (Velen.)
• Juncus compressus f. longirepens (Zapal.)
• Juncus compressus viridiflorus (Asch. & Graebn.)
• Juncus compressus viridis (Asch. & Graebn.)
• Juncus compressus laxus (Asch. & Graebn.)
• Juncus compressus condensatus (Asch. & Graebn.)
• Juncus compressus f. tenuifolius (Zapal.)
• Juncus compressus f. euxinus ((Velen.) Hayek)
• Juncus gramineus (Dumort.)
• Juncus compressus metzleri ((F.W.Schultz) Asch. & Graebn.)
• Juncus bulbosus var. alpinus (Schur)
• Juncus compressus var. metzleri ((F.W.Schultz) I.Grint.)
• Juncus compressus var. dianthelus (K.Koch)
• Juncus gramineus var. compressus ((Jacq.) Dumort.)
• Juncus metzleri (F.W.Schultz)
• Juncus compressus f. alpinus ((Schur) Soó)
• Juncus compressus var. pseudogerardii (Jafri)
• Juncus bulbosus var. compressus ((Jacq.) Regel)
• Juncus compressus f. nanus (Neuman)
• Juncus compressus var. nudiculmis (F.W.Schultz)

Distribution

• Afghanistan (native)
• Albania (native)
• Altay (native)
• Amur (native)
• Austria (native)
• Baltic States (native)
• Belarus (native)
• Belgium (native)
• Bulgaria (native)
• Buryatiya (native)
• Central European Rus (native)
• China North-Central (native)
• Chita (native)
• Corse (native)
• Cyprus (native)
• Czechoslovakia (native)
• Denmark (native)
• East Aegean Is. (native)
• East European Russia (native)
• Finland (native)
• France (native)
• Germany (native)
• Great Britain (native)
• Greece (native)
• Hungary (native)
• Iran (native)
• Ireland (native)
• Irkutsk (native)
• Italy (native)
• Japan (native)
• Kazakhstan (native)
• Kirgizstan (native)
• Korea (native)
• Krasnoyarsk (native)
• Krym (native)
• Mongolia (native)
• Netherlands (native)
• North Caucasus (native)
• North European Russi (native)
• Northwest European R (native)
• Norway (native)
• Pakistan (native)
• Poland (native)
• Portugal (native)
• Primorye (native)
• Qinghai (native)
• Romania (native)
• Sardegna (native)
• Sicilia (native)
• South European Russi (native)
• Spain (native)
• Sweden (native)
• Switzerland (native)
• Tadzhikistan (native)
• Transcaucasus (native)
• Turkey (native)
• Turkey-in-Europe (native)
• Turkmenistan (native)
• Tuva (native)
• Ukraine (native)
• Uzbekistan (native)
• West Himalaya (native)
• West Siberia (native)
• Xinjiang (native)
• Yakutskiya (native)
• Yugoslavia (native)
• Colorado (introduced)
• Delaware (introduced)
• Illinois (introduced)
• Maine (introduced)
• Manitoba (introduced)
• Maryland (introduced)
• Michigan (introduced)
• Minnesota (introduced)
• Montana (introduced)
• Nebraska (introduced)
• New York (introduced)
• Newfoundland (introduced)
• North Dakota (introduced)
• Nova Scotia (introduced)
• Ontario (introduced)
• Québec (introduced)
• Utah (introduced)
• Vermont (introduced)
• Wisconsin (introduced)
• Wyoming (introduced)

Additional Images

Flower

Taken Jun 26, 2016 by Tela Botanica − Stephen LEROY (cc-by-sa)

Taken Aug 15, 2014 by Photoflora – Jean-Luc TASSET (©)

Taken Jun 30, 2019 by Laura (cc-by-sa)

Taken Aug 14, 2012 by Tela Botanica − Jacques Maréchal (cc-by-sa)

Taken Jul 25, 2022 by Franck CHAPELAIN (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.

Fruit

Taken Aug 1, 2012 by Tela Botanica − Emmanuel STRATMAINS (cc-by-sa)

Taken Aug 14, 2012 by Tela Botanica − Jacques Maréchal (cc-by-sa)

Taken Jun 1, 2011 by Tela Botanica − Bertrand BUI (cc-by-sa)

Taken Jun 1, 2011 by Tela Botanica − Bertrand BUI (cc-by-sa)

Taken Sep 26, 2008 by Tela Botanica − Mathieu MENAND (cc-by-sa)

Habit

Taken Jul 8, 2011 by Tela Botanica − Mathieu MENAND (cc-by-sa)

Taken Jun 26, 2016 by Tela Botanica − Stephen LEROY (cc-by-sa)

Taken Aug 1, 2012 by Tela Botanica − Emmanuel STRATMAINS (cc-by-sa)

Taken Aug 27, 2015 by Tela Botanica − Jean-Luc Gorremans (cc-by-sa)

Taken May 17, 2015 by Tela Botanica − Paul FABRE (cc-by-sa)

Leaf

Taken Jul 23, 2022 by Meike Meike (cc-by-sa)

Taken Jul 23, 2022 by Meike Meike (cc-by-sa)

Taken Jun 16, 2020 by moosling (cc-by-sa)

Taken Jun 28, 2022 by Betlejewicz Marek (cc-by-sa)

Taken Jun 9, 2022 by Txasko Ander (cc-by-sa)

Other

Taken May 21, 2022 by Edwin Schramm (cc-by-sa)

Taken Jul 15, 2005 by Photoflora – Benoit BOCK (©)

Taken Jan 1, 1970 by Photoflora – L’Abbé COSTE (©)

Taken Jun 15, 2006 by Tela Botanica − Laurent PETIT (cc-by-sa)

Taken Jun 30, 1904 by Tela Botanica − Anne-Marie GRIMAUD (cc-by-sa)

Bark

Taken Sep 26, 2008 by Tela Botanica − Mathieu MENAND (cc-by-sa)

Sources

• WFO (No URL)
• IPNI (No URL)
• GBIF (https://www.gbif.org/species/2701599)
• POWO (http://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:442830-1)
• PlantNet (https://identify.plantnet.org/species/the-plant-list/Juncus compressus Jacq.)

Specifications

Growth