Bluntflower rush (Juncus subnodulosus, Baier. Fl. 1: 616 (1789))

Family: Juncaceae

Author: Schrank

Bibliography: Baier. Fl. 1: 616 (1789)

Year: 1789

Status: accepted

Rank: species

Genus: Juncus

Vegetable: False

Observations: Europe, Medit. to N Iraq

Description

Bluntflower rush, scientifically known as Juncus subnodulosus, is a perennial plant belonging to the Juncaceae family. This species was first described in Baier’s Flora in 1789 by the botanist Schrank. Predominantly found across Europe and extending to the Mediterranean regions and northern Iraq, the Bluntflower rush thrives in various wetland habitats.

The plant is characterized by its clumping growth habit, with tufts of cylindrical, smooth stems that can grow up to a substantial height. Its inflorescence is distinguished by a series of flower clusters, which, as the name suggests, are somewhat blunt in appearance compared to other rush species. The flowers are small, typically greenish to brown in color, and are often overlooked due to their inconspicuous nature.

Juncus subnodulosus prefers wet, marshy environments often found in fens, bogs, and along the edges of bodies of water. It plays a significant ecological role by stabilizing the soil with its extensive root system and providing habitat and food sources for various wildlife species. Its presence is also an indicator of the health of wetland ecosystems, as it tends to thrive in relatively undisturbed areas with good water quality.

In botanical research and environmental studies, the Bluntflower rush serves as an important subject due to its widespread distribution and ecological significance. Conservation efforts sometimes focus on this species to help preserve the delicate balance of wetland ecosystems, which are often threatened by human activities and climate change.

Overall, the Bluntflower rush is a fascinating and vital component of various wetland habitats, reflecting the intricate relationships within these ecosystems and the importance of preserving them for future generations.

Common Names

Eng: bluntflower rush, blunt-flowered rush
Dan: butblomstret siv
Deu: knoten-binse, knotenbinse, stumpfblütige binse
Fra: jonc à tépales obtus, jonc à fleurs obtuses
Nld: paddenrus, padderus
Lav: strupais donis
Swe: trubbtåg
Nno: buttsiv
Nob: buttsiv
Cym: brwynen flaendon, brwynen flodbwl, brwynen glymog â blodau blaendwn
Ita: giunco subnodoso
Gla: luachair gheal
Ukr: ситник тупопелюстковий
En: Bluntflower rush, Blunt-flowered Rush, Blunt-Flower Rush
Ar: أسل معنقد
Ca: Jonc obtusiflor, Jonc subnodulós
Cs: Sítina slatinná
Da: Butblomstret siv
Nl: Paddenrus, Padderus
Et: Tömbiõiene luga
Fi: Tylppövihvilä
Fr: Jonc à Fleurs Obtuses, Jonc à tépales obtus, Jonc noueux
De: Knötchen-Binse, Knötchen-Simse, Stumpfblütige Binse, Knotenbinse, Knoten-Binse
It: Giunco subnodoso
Lv: Strupais donis
Nb: Buttsiv
Nn: Buttsiv
Pl: Sit tępokwiatowy
Gd: Luachair gheal
Sv: Trubbtåg
Uk: Ситник тупопелюстковий
Cy: Brwynen flaendon, Brwynen Flodbwl, Brwynen Glymog â Blodau Blaendwn

Synonyms

• Juncus divaricatus (Wolff)
• Juncus obtusatus (Kit. ex Schult.)
• Juncus obtusiflorus condensatus (Cout.)
• Juncus obtusiflorus (Ehrh. ex Hoffm.)
• Juncus obtusiflorus coarctatus (G.Mey.)
• Juncus alpinus var. erectus (Racib.)
• Juncus neesii (F.Heller)
• Juncus subnodulosus f. coarctatus ((G.Mey.) Soó)
• Juncus articulatus var. sylvaticus (L.)
• Juncus retroflexus (Rafn)
• Juncus articulatus subsp. sylvaticus ((L.) Ehrh.)
• Juncus bifolius (Hoppe)
• Juncus divergens (W.D.J.Koch)
• Juncus obtusiflorus var. rubellus (Erdner)
• Juncus subnodulosus var. condensatus ((Cout.) Fern-Carv.)
• Juncus obtusiflorus var. condensatus (Cout.)
• Juncus obtusiflorus var. laxus (M.Mandon & Foucaud)
• Juncus obtusiflorus var. schillingeri (G.Fisch.)

Distribution

• Algeria (native)
• Austria (native)
• Baleares (native)
• Baltic States (native)
• Belgium (native)
• Bulgaria (native)
• Corse (native)
• Czechoslovakia (native)
• Denmark (native)
• France (native)
• Germany (native)
• Great Britain (native)
• Greece (native)
• Hungary (native)
• Iraq (native)
• Ireland (native)
• Italy (native)
• Lebanon-Syria (native)
• Morocco (native)
• Netherlands (native)
• Poland (native)
• Portugal (native)
• Romania (native)
• Sardegna (native)
• Sicilia (native)
• Spain (native)
• Sweden (native)
• Switzerland (native)
• Tunisia (native)
• Turkey (native)
• Turkey-in-Europe (native)
• Ukraine (native)
• Yugoslavia (native)
• New Zealand South (introduced)

Additional Images

Habit

Taken Sep 6, 2015 by Tela Botanica − Yoan MARTIN (cc-by-sa)

Taken Jun 18, 2017 by Yoan MARTIN (cc-by-sa)

Taken Jun 18, 2017 by Yoan MARTIN (cc-by-sa)

Taken Jun 18, 2017 by Yoan MARTIN (cc-by-sa)

Taken Sep 6, 2015 by Tela Botanica − Yoan MARTIN (cc-by-sa)

Flower

Taken Jul 16, 2016 by Miguel A. C. (cc-by-sa)

Taken Aug 5, 2021 by Patrick Nard (cc-by-sa)

Taken Jul 16, 2016 by Miguel A. C. (cc-by-sa)

Taken Jul 5, 2014 by Tela Botanica − Françoise CARLE (cc-by-sa)

Taken Jul 5, 2014 by Tela Botanica − Françoise CARLE (cc-by-sa)

Leaf

Taken Jul 1, 2019 by mat (cc-by-sa)

Taken Jul 3, 2016 by Tela Botanica − Dominique REMAUD (cc-by-sa)

Taken Jul 3, 2016 by Tela Botanica − Dominique REMAUD (cc-by-sa)

Taken Jun 15, 2022 by Travis Haber (cc-by-sa)

Taken Jul 8, 2021 by Pauline Nury (cc-by-sa)

Fruit

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)

Taken Sep 6, 2015 by Tela Botanica − Yoan MARTIN (cc-by-sa)

Taken Sep 6, 2015 by Tela Botanica − Yoan MARTIN (cc-by-sa)

Bark

Taken Aug 31, 2018 by Stéphane Moriniere (cc-by-sa)

Taken Jul 3, 2016 by Tela Botanica − Dominique REMAUD (cc-by-sa)

Taken Sep 6, 2015 by Tela Botanica − Yoan MARTIN (cc-by-sa)

Other

Taken Jul 15, 1996 by Photoflora – Benoit BOCK (©)

Taken Aug 15, 2014 by Photoflora – Benoit BOCK (©)

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

Taken Jun 15, 2007 by Tela Botanica − Laurent PETIT (cc-by-sa)

Taken Dec 31, 1850 by Tela Botanica − Herbier PONTARLIER-MARICHAL (cc-by-sa)

Sources

• WFO (No URL)
• IPNI (No URL)
• GBIF (https://www.gbif.org/species/2701900)
• POWO (http://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:443536-1)
• PlantNet (https://identify.plantnet.org/species/the-plant-list/Juncus subnodulosus Schrank)

Specifications

Growth habit: Graminoid

Growth

Ph maximum: 8.0

Ph minimum: 7.5

Light: 8

Atmospheric humidity: 8

Bloom months: [‘jun’, ‘jul’, ‘aug’]

Soil nutriments: 3

Soil salinity: 1