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Cyperaceae taxon details

Carex trinervis Degl.

425751  (urn:lsid:marinespecies.org:taxname:425751)

  1. Biota
  2. Plantae (Kingdom)
  3. Viridiplantae (Subkingdom)
  4. Streptophyta (Infrakingdom)
  5. Tracheophyta (Phylum (Division))
  6. Spermatophytina (Subphylum (Subdivision))
  7. Magnoliopsida (Class)
  8. Lilianae (Superorder)
  9. Poales (Order)
  10. Cyperaceae (Family)
  11. Cariceae (Tribe)
  12. Carex (Genus)
  13. Carex subg. Carex (Subgenus)
  14. Carex sect. Phacocystis (Section)
  15. Carex trinervis (Species)
accepted
Species

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marine, brackish, fresh, terrestrial
Deslongchamps, J. L. A. L. (1828). Flora gallica. 2., available online at https://www.biodiversitylibrary.org/page/49077837#page/9/mode/1up
page(s): 731 [details] 
Description Rhizomes far-creeping, often thick ( 4 mm); shoots clustered; roots pale brown or red-brown; scales brown, dull, becoming...  
Description Rhizomes far-creeping, often thick (< 4 mm); shoots clustered; roots pale brown or red-brown; scales brown, dull, becoming fibrous or persistent and blackish in anaerobic soils. Stems 10–40(–60) cm, slender, trigonous, smooth below, rough on angles above. Leaves up to 60 cm × 1–2(–3) mm, stiffly erect, usually inrolled, gradually tapering to a fine trigonous point, pale green to glaucous; amphistomous; sheaths pale biscuit-brown, with inner face hyaline, thin and persistent; apex straight; ligule 1–3 mm, rounded. Inflorescence 1/6–1/3 length of stem; bracts leaf-like, canaliculate, often stiff and patent, the lowest overtopping the inflorescence. Male spikes (1–)2–3(–4), linear, (5–)20–50 mm; male glumes 3–5 mm, obovate-oblong, purple-brown with wide, pale midrib; apex obtuse or subacute with narrow hyaline margin. Female spikes (1–)2–4, (7–)20–50 mm, oblong-cylindric, clustered, subsessile, erect, ± contiguous or lowest sometimes distant with short peduncle; female glumes 1.5–3 mm, elliptic to oblong-ovate, red-brown to black with wide green midrib and hyaline margin; apex obtuse and acuminate, becoming shortly aristate in lower florets of lowest spike. Utricles 3.5–5 mm, broader and longer than glumes, ovoid-ellipsoid, grey-green, often with fine purple-brown spots and 3 or more distinct nerves on adaxial face; beak almost absent, truncate; stigmas 2; nut ellipsoid, biconvex. [details]

Description Rizoma reptante con entrenudos largos, no o muy laxamente cespitoso. Tallos 10-40 cm, lisos o algo escábridos en la zona...  
Description Rizoma reptante con entrenudos largos, no o muy laxamente cespitoso. Tallos 10-40 cm, lisos o algo escábridos en la zona superior, obtusamente trígonos. Hojas (0,5)1,5-2(2,5) mm de anchura, iguales o más largas que los tallos, canaliculadas, lisas o ásperas en los bordes, rígidas, glaucas; lígula hasta 1,5 mm, de ápice obtuso; sin antelígula; vainas basales foliosas, de color pardo, enteras o algo rotas. Bráctea inferior foliácea, más larga que la inflorescencia, no envainante. Espigas superiores masculinas (1)2-4, (15)25-40 mm, ± fusiformes; espigas laterales femeninas o andróginas, 2-4, (7)20-40 mm, cilíndricas, densas, distribuidas a lo largo de la parte superior del tallo, generalmente cercanas las unas de las otras, erectas. Glumas masculinas estrechamente oblongas u obovadas, de ápice agudo, pardo-rojizas, con estrecho margen escarioso; glumas femeninas ± iguales que los utrículos, ovales, de ápice obtuso, subagudo o mucronado, de color pardo-rojizo oscuro, con margen escarioso y quilla verde. Utrículos (2)2,5-4,5 x 1,3-2,5 mm, erectos o suberectos, de contorno elíptico, comprimidos, ± biconvexos, con papilas bajas y los nervios perceptibles, de color verde ceniciento, sin pico o bruscamente estrechados o gradualmente atenuados en un corto pico hasta 0,2 mm, truncado, papiloso. Aquenios 1,6-2,3 x 1-1,5 mm, ± obovados, biconvexos, de color pardo oscuro. 2n=83*, 84, 85. [details]

Taxonomic remark Source in seed data: wcs Update namepublishedIn from Fl. Gall., ed. 2 2: 731. 1807 to Fl. Gall. 2: 731 (1807), information...  
Taxonomic remark Source in seed data: wcs Update namepublishedIn from Fl. Gall., ed. 2 2: 731. 1807 to Fl. Gall. 2: 731 (1807), information provided by Alan E. on email Jun. 07 2021 More details could be found in [details]
Cyperaceae Working Group. (2025). [see How to cite]. Global Cyperaceae Database. Carex trinervis Degl.. Accessed at: https://cyperaceae.org/aphia.php?p=taxdetails&id=425751 on 2026-05-19
Date
action
by
2009-10-24 04:38:40Z
created
Decock, Wim
2023-09-05 10:00:04Z
checked
Jiménez-Mejías, Pedro
2024-12-10 11:47:54Z
unchecked
db_admin
2025-03-11 11:19:03Z
changed
Márquez-Corro, José Ignacio

Creative Commons License The webpage text is licensed under a Creative Commons Attribution 4.0 License


Nomenclature

original description Deslongchamps, J. L. A. L. (1828). Flora gallica. 2., available online at https://www.biodiversitylibrary.org/page/49077837#page/9/mode/1up
page(s): 731 [details] 

original description (of Carex breviglumis Le Gall) Gall, L. (1852). Flore du Morbihan. , available online at https://www.biodiversitylibrary.org/page/12429852#page/9/mode/1up
page(s): 658 [details] 

basis of record Provoost, S.; Bonte, D. (Ed.) (2004). Animated dunes: a view of biodiversity at the Flemish coast [Levende duinen: een overzicht van de biodiversiteit aan de Vlaamse kust]. Mededelingen van het Instituut voor Natuurbehoud, 22. Instituut voor Natuurbehoud: Brussel, Belgium. ISBN 90-403-0205-7. 416, ill., appendices pp. (look up in IMIS) [details] 

Taxonomy

taxonomy source Jermy, A.C.; Simpson, D.A.; Foley, M.J.Y.; Porter, M.S. (2007). Sedges of the British Isles. 554 pp. Botanical Society of Britain & Ireland, United Kingdom. [details] Available for editors  PDF available [request]

taxonomy source Luceño, M., Castroviejo, S., Jiménez-Mejías, P. (2008). Cyperaceae. In: Castroviejo, Luceño, M., Galán, A., Jiménez-Mejías, P., Cabezas, F., Medina, L. (eds). Flora iberica. Plantas vasculares de la Península Ibérica e Islas Baleares. Vol. XVIII. Madrid: CSIC., available online at https://bibdigital.rjb.csic.es/records/item/12958-flora-iberica-vol-18-cyperaceae-pontederiaceae?offset=, http://www.floraiberica.es/PHP/familias_lista_.php?familia=Cyperaceae [details] 

Other

additional source Plants of the World Online (POWO). , available online at https://powo.science.kew.org/ [details] 

 
 Present  Inaccurate  Introduced: alien  Containing type locality 
   

Syntype L 3132057, geounit Friesland [details]
From editor or global species database
Description Rhizomes far-creeping, often thick (< 4 mm); shoots clustered; roots pale brown or red-brown; scales brown, dull, becoming fibrous or persistent and blackish in anaerobic soils. Stems 10–40(–60) cm, slender, trigonous, smooth below, rough on angles above. Leaves up to 60 cm × 1–2(–3) mm, stiffly erect, usually inrolled, gradually tapering to a fine trigonous point, pale green to glaucous; amphistomous; sheaths pale biscuit-brown, with inner face hyaline, thin and persistent; apex straight; ligule 1–3 mm, rounded. Inflorescence 1/6–1/3 length of stem; bracts leaf-like, canaliculate, often stiff and patent, the lowest overtopping the inflorescence. Male spikes (1–)2–3(–4), linear, (5–)20–50 mm; male glumes 3–5 mm, obovate-oblong, purple-brown with wide, pale midrib; apex obtuse or subacute with narrow hyaline margin. Female spikes (1–)2–4, (7–)20–50 mm, oblong-cylindric, clustered, subsessile, erect, ± contiguous or lowest sometimes distant with short peduncle; female glumes 1.5–3 mm, elliptic to oblong-ovate, red-brown to black with wide green midrib and hyaline margin; apex obtuse and acuminate, becoming shortly aristate in lower florets of lowest spike. Utricles 3.5–5 mm, broader and longer than glumes, ovoid-ellipsoid, grey-green, often with fine purple-brown spots and 3 or more distinct nerves on adaxial face; beak almost absent, truncate; stigmas 2; nut ellipsoid, biconvex. [details]

Description Rizoma reptante con entrenudos largos, no o muy laxamente cespitoso. Tallos 10-40 cm, lisos o algo escábridos en la zona superior, obtusamente trígonos. Hojas (0,5)1,5-2(2,5) mm de anchura, iguales o más largas que los tallos, canaliculadas, lisas o ásperas en los bordes, rígidas, glaucas; lígula hasta 1,5 mm, de ápice obtuso; sin antelígula; vainas basales foliosas, de color pardo, enteras o algo rotas. Bráctea inferior foliácea, más larga que la inflorescencia, no envainante. Espigas superiores masculinas (1)2-4, (15)25-40 mm, ± fusiformes; espigas laterales femeninas o andróginas, 2-4, (7)20-40 mm, cilíndricas, densas, distribuidas a lo largo de la parte superior del tallo, generalmente cercanas las unas de las otras, erectas. Glumas masculinas estrechamente oblongas u obovadas, de ápice agudo, pardo-rojizas, con estrecho margen escarioso; glumas femeninas ± iguales que los utrículos, ovales, de ápice obtuso, subagudo o mucronado, de color pardo-rojizo oscuro, con margen escarioso y quilla verde. Utrículos (2)2,5-4,5 x 1,3-2,5 mm, erectos o suberectos, de contorno elíptico, comprimidos, ± biconvexos, con papilas bajas y los nervios perceptibles, de color verde ceniciento, sin pico o bruscamente estrechados o gradualmente atenuados en un corto pico hasta 0,2 mm, truncado, papiloso. Aquenios 1,6-2,3 x 1-1,5 mm, ± obovados, biconvexos, de color pardo oscuro. 2n=83*, 84, 85. [details]

Taxonomic remark Source in seed data: wcs Update namepublishedIn from Fl. Gall., ed. 2 2: 731. 1807 to Fl. Gall. 2: 731 (1807), information provided by Alan E. on email Jun. 07 2021 More details could be found in [details]

Translation Crawling rhizome with long internodes, not or very loosely cespitose. Stems 10-40 cm, smooth or somewhat scabrid in the upper area, obtusely trine. Leaves (0.5)1.5-2(2.5) mm wide, equal to or longer than stems, canaliculate, smooth or rough on edges, stiff, glaucous; ligulate up to 1.5 mm, with an obtuse apex; without anteligula; basal sheaths foliose, brown, whole or somewhat broken. Lower bract foliaceous, longer than the inflorescence, not sheathing. Male upper tangs (1)2-4, (15)25-40 mm, ± fusiform; lateral spikes female or androgynous, 2-4, (7)20-40 mm, cylindrical, dense, distributed along the upper part of the stem, usually close to each other, erect. Male glumes narrowly oblong or obovate, with an acute apex, reddish-brown, with a narrow scarous margin; Female glumes ± the same as the utricles, oval, with an obtuse, subacute or mucronate apex, dark reddish-brown, with a scarious margin and a green keel. Utricles (2)2.5-4.5 x 1.3-2.5 mm, erect or suberect, elliptical in outline, compressed, ± biconvex, with low papillae and perceptible nerves, ashy green, without a beak or abruptly narrowed or gradually attenuated into a short peak up to 0.2 mm, truncated, papillose. Achenes 1.6-2.3 x 1-1.5 mm, ± obovate, biconvex, dark brown. 2n=83*, 84, 85 [details]
    Definitions

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LanguageName 
Dutch drienervige zegge  [details]
English three-nerved sedge  [details]
Welsh hesgen driglasnod  [details]
To Barcode of Life (2 barcodes) 
To Biodiversity Heritage Library (1 publication) (from synonym Vignea trinervis (Degl.) Rchb.)
To Biodiversity Heritage Library (13 publications) (from synonym Carex cerina Dumort.)
To Biodiversity Heritage Library (138 publications) 
To Biodiversity Heritage Library (5 publications) (from synonym Carex frisica H.Koch)
To Biodiversity Heritage Library (6 publications) (from synonym Carex breviglumis Le Gall)
To European Nucleotide Archive, ENA (Carex trinervis) 
To International Plant Names Index (IPNI) 
To International Plant Names Index (IPNI) (from synonym Osculisa trinervis (Degl.) Raf.)
To International Plant Names Index (IPNI) (from synonym Carex breviglumis Le Gall)
To International Plant Names Index (IPNI) (from synonym Vignea trinervis (Degl.) Rchb.)
To International Plant Names Index (IPNI) (from synonym Carex cerina Dumort.)
To International Plant Names Index (IPNI) (from synonym Carex frisica H.Koch)
To International Plant Names Index (IPNI) (from synonym Carex glauca subsp. trinervis (Degl.) Asch. & Graebn.)
To International Plant Names Index (IPNI) (from synonym Carex acuta var. nervosa G.Mey.)
To International Plant Names Index (IPNI) (from synonym Carex acuta var. trinervis (Degl.) Jess.)
To International Plant Names Index (IPNI) (from synonym Carex glauca var. digyna Boeckeler)
To International Plant Names Index (IPNI) (from synonym Carex trinervis var. laxa Lange)
To NHMUK collection (Carex trinervis Degl.; NHMUK:ecatalogue:9043452) 
To Plants of the World Online 
To Plants of the World Online (from synonym Osculisa trinervis (Degl.) Raf.)
To Plants of the World Online (from synonym Carex breviglumis Le Gall)
To Plants of the World Online (from synonym Vignea trinervis (Degl.) Rchb.)
To Plants of the World Online (from synonym Carex frisica H.Koch)
To Plants of the World Online (from synonym Carex cerina Dumort.)
To Plants of the World Online (from synonym Carex trinervis var. laxa Lange)
To Plants of the World Online (from synonym Carex glauca var. digyna Boeckeler)
To Plants of the World Online (from synonym Carex acuta var. trinervis (Degl.) Jess.)
To Plants of the World Online (from synonym Carex acuta var. nervosa G.Mey.)
To Plants of the World Online (from synonym Carex glauca subsp. trinervis (Degl.) Asch. & Graebn.)
Unreviewed
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