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Cyperaceae taxon details

Carex binervis Sm.

To LE Herbarium (Carex binervis LE00010176 type 1)
To LE Herbarium (Carex binervis LE00010176 type 1)

1678147  (urn:lsid:marinespecies.org:taxname:1678147)

  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. Africanae (Section)
  15. Carex binervis (Species)
accepted
Species

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terrestrial
Smith, J. E. (1800). Descriptions of five new British species of Carex. <em>Transactions of the Linnean Society of London.</em> 5: 264-273., available online at https://www.biodiversitylibrary.org/page/12897943#page/308/mode/1up
page(s): 268 [details] 
Description Rhizomes shortly creeping, with tufted shoots, thick grey-brown roots and persistent orange-brown scales; stems 15–150...  
Description Rhizomes shortly creeping, with tufted shoots, thick grey-brown roots and persistent orange-brown scales; stems 15–150 cm, trigonous-terete and often bearing a single furrow. Leaves 7–30 cm × 2–6(–8) mm, rigid, often arcuate in dwarf plants, keeled or ± flat, abruptly tapering to a fine point, matt dark green above and glossy light green with dark green veins below, later developing wine-red splotches and persisting as pink- or orange-brown litter, often overwintering; hypostomous; sheaths dull red-brown and persistent; apex convex or straight on lower leaves and lingulate on stem leaves; ligule 1–2 mm, rounded, with about 0.5 mm of free cartilaginous tissue, involute and with a minutely papillate margin. The inflorescence reaches up to half the stem length, with lower bracts leaf-like and 2–4 times as long as the spike, the upper bracts glume-like. The male spike is solitary, 20–45 mm, with male glumes 4–4.5 mm, oblong-obovate, purplish with a paler midrib, the apex obtuse or rounded and mucronate, scarious. Female spikes 2–4, distant, 15–45 mm, cylindric and rigid, the lowermost usually nodding; peduncles half-ensheathed, the lowest up to 10 cm; female glumes 3–4 mm, ovate, dark purple-brown to black with a green or pale brown midrib, apex obtuse and mucronate. Utricles 3.5–4.5 mm, purple-brown or partly green, broadly elliptic with two prominent green lateral nerves continuing into the beak; beak 1–1.5 mm, rough and widely notched; stigmas 3; nut obovoid, trigonous and olive-brown. [details]

Description Densamente cespitosa. Tallos fértiles de (40)60-130(170) cm. Hojas de (2)3,5-5(11) mm de anchura, planas, más raramente...  
Description Densamente cespitosa. Tallos fértiles de (40)60-130(170) cm. Hojas de (2)3,5-5(11) mm de anchura, planas, más raramente plegadas, más cortas que los tallos; vainas basales anaranjadas y/o teñidas de púrpura; lígula de (0,7)1,5-3,5(7) mm de longitud. Bráctea inferior foliácea, más corta que la inflorescencia, envainadora. Inflorescencia en racimo de espigas de aspecto diferente, la superior –más raramente las dos superiores– masculina, fusiforme; las 2-4 inferiores femeninas, cilíndricas, separadas, erectas o la inferior colgante. Glumas femeninas ovadas, mucronadas, de color rojo-purpúreo oscuro. Utrículos de (2,5)3-4(5) mm de longitud, variablemente teñidos de rojo, mates, suberectos, con todos los nervios perceptibles, pero solo los dos laterales muy prominentes, suavemente estrechados –con menos frecuencia bruscamente contraídos– en un pico de (0,5)0,8-1,2(1,4) mm, más o menos escábrido, bífido. Aquenios de contorno elíptico. 3 estigmas. 2n=72, 74. Brezales y prados húmedos, bordes de arroyos y turberas. [details]

Description Densely caespitose. Fertile stems (40)60–130(170) cm tall. Leaves (2)3.5–5(11) mm wide, flat, more rarely folded,...  
Description Densely caespitose. Fertile stems (40)60–130(170) cm tall. Leaves (2)3.5–5(11) mm wide, flat, more rarely folded, shorter than the stems; basal sheaths orange and/or tinged with purple; ligule (0.7)1.5–3.5(7) mm long. Lower bract leafy, shorter than the inflorescence, sheathing. Inflorescence a raceme of spikes of different appearance, the upper one – more rarely the upper two – male, fusiform; the 2–4 lower ones female, cylindrical, separated, erect or the lowermost pendulous. Female glumes ovate, mucronate, dark reddish-purple. Utricles (2.5)3–4(5) mm long, variably tinged with red, dull, suberect, with all veins visible, but only the two lateral ones very prominent, gradually – less frequently abruptly – narrowed into a beak (0.5)0.8–1.2(1.4) mm long, somewhat scabrous, bifid. Achenes elliptic in outline. 3 stigmas. 2n=72, 74. Heathlands and wet meadows, stream margins and peat bogs. [details]

Taxonomic remark Source in seed data: wcs Update namepublishedIn from Trans. Linn. Soc. London 5: 268. 1800 to Trans. Linn. Soc. London 5:...  
Taxonomic remark Source in seed data: wcs Update namepublishedIn from Trans. Linn. Soc. London 5: 268. 1800 to Trans. Linn. Soc. London 5: 268 (1800), information provided by Alan E. on email Jun. 07 2021 More details could be found in [details]
Cyperaceae Working Group. (2026). [see How to cite]. Global Cyperaceae Database. Carex binervis Sm.. Accessed at: https://cyperaceae.org/aphia.php?p=taxdetails&id=1678147 on 2026-05-12
Date
action
by
2023-09-06 07:28:28Z
created
Jiménez-Mejías, Pedro
2024-12-10 11:47:54Z
unchecked
db_admin
2025-03-11 11:19:03Z
changed
Márquez-Corro, José Ignacio
2026-04-07 10:50:24Z
changed
Jiménez-Mejías, Pedro

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


Nomenclature

original description Smith, J. E. (1800). Descriptions of five new British species of Carex. <em>Transactions of the Linnean Society of London.</em> 5: 264-273., available online at https://www.biodiversitylibrary.org/page/12897943#page/308/mode/1up
page(s): 268 [details] 

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

 
 Present  Inaccurate  Introduced: alien  Containing type locality 
   

Syntype LE 00010176, geounit England [details]
From editor or global species database
Description Rhizomes shortly creeping, with tufted shoots, thick grey-brown roots and persistent orange-brown scales; stems 15–150 cm, trigonous-terete and often bearing a single furrow. Leaves 7–30 cm × 2–6(–8) mm, rigid, often arcuate in dwarf plants, keeled or ± flat, abruptly tapering to a fine point, matt dark green above and glossy light green with dark green veins below, later developing wine-red splotches and persisting as pink- or orange-brown litter, often overwintering; hypostomous; sheaths dull red-brown and persistent; apex convex or straight on lower leaves and lingulate on stem leaves; ligule 1–2 mm, rounded, with about 0.5 mm of free cartilaginous tissue, involute and with a minutely papillate margin. The inflorescence reaches up to half the stem length, with lower bracts leaf-like and 2–4 times as long as the spike, the upper bracts glume-like. The male spike is solitary, 20–45 mm, with male glumes 4–4.5 mm, oblong-obovate, purplish with a paler midrib, the apex obtuse or rounded and mucronate, scarious. Female spikes 2–4, distant, 15–45 mm, cylindric and rigid, the lowermost usually nodding; peduncles half-ensheathed, the lowest up to 10 cm; female glumes 3–4 mm, ovate, dark purple-brown to black with a green or pale brown midrib, apex obtuse and mucronate. Utricles 3.5–4.5 mm, purple-brown or partly green, broadly elliptic with two prominent green lateral nerves continuing into the beak; beak 1–1.5 mm, rough and widely notched; stigmas 3; nut obovoid, trigonous and olive-brown. [details]

Description Densamente cespitosa. Tallos fértiles de (40)60-130(170) cm. Hojas de (2)3,5-5(11) mm de anchura, planas, más raramente plegadas, más cortas que los tallos; vainas basales anaranjadas y/o teñidas de púrpura; lígula de (0,7)1,5-3,5(7) mm de longitud. Bráctea inferior foliácea, más corta que la inflorescencia, envainadora. Inflorescencia en racimo de espigas de aspecto diferente, la superior –más raramente las dos superiores– masculina, fusiforme; las 2-4 inferiores femeninas, cilíndricas, separadas, erectas o la inferior colgante. Glumas femeninas ovadas, mucronadas, de color rojo-purpúreo oscuro. Utrículos de (2,5)3-4(5) mm de longitud, variablemente teñidos de rojo, mates, suberectos, con todos los nervios perceptibles, pero solo los dos laterales muy prominentes, suavemente estrechados –con menos frecuencia bruscamente contraídos– en un pico de (0,5)0,8-1,2(1,4) mm, más o menos escábrido, bífido. Aquenios de contorno elíptico. 3 estigmas. 2n=72, 74. Brezales y prados húmedos, bordes de arroyos y turberas. [details]

Description Densely caespitose. Fertile stems (40)60–130(170) cm tall. Leaves (2)3.5–5(11) mm wide, flat, more rarely folded, shorter than the stems; basal sheaths orange and/or tinged with purple; ligule (0.7)1.5–3.5(7) mm long. Lower bract leafy, shorter than the inflorescence, sheathing. Inflorescence a raceme of spikes of different appearance, the upper one – more rarely the upper two – male, fusiform; the 2–4 lower ones female, cylindrical, separated, erect or the lowermost pendulous. Female glumes ovate, mucronate, dark reddish-purple. Utricles (2.5)3–4(5) mm long, variably tinged with red, dull, suberect, with all veins visible, but only the two lateral ones very prominent, gradually – less frequently abruptly – narrowed into a beak (0.5)0.8–1.2(1.4) mm long, somewhat scabrous, bifid. Achenes elliptic in outline. 3 stigmas. 2n=72, 74. Heathlands and wet meadows, stream margins and peat bogs. [details]

Taxonomic remark Source in seed data: wcs Update namepublishedIn from Trans. Linn. Soc. London 5: 268. 1800 to Trans. Linn. Soc. London 5: 268 (1800), information provided by Alan E. on email Jun. 07 2021 More details could be found in [details]
    Definitions

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To Biodiversity Heritage Library (1 publication) (from synonym Carex gandogeri H.Lév. ex Gand.)
To Biodiversity Heritage Library (1 publication) (from synonym Carex gandogeri H.Lév. & Vaniot)
To Biodiversity Heritage Library (1 publication) (from synonym Carex sadleri E.F.Linton)
To Biodiversity Heritage Library (1 publication) (from synonym Carex rodriguezii Merino)
To Biodiversity Heritage Library (2 publications) (from synonym Trasus binervis (Sm.) Gray)
To Biodiversity Heritage Library (27 publications) (from synonym Carex fulva Hornem.)
To Biodiversity Heritage Library (326 publications) 
To Biodiversity Heritage Library (635 publications) (from synonym Carex distans Lightf.)
To Biodiversity Heritage Library (9 publications) (from synonym Carex versicolor Dumort.)
To Biodiversity Heritage Library (9 publications) (from synonym Carex multinervis Krock.)
To Biodiversity Heritage Library (9 publications) (from synonym Carex multinervis Krock. ex Steud.)
To Biodiversity Heritage Library (92 publications) (from synonym Carex ovata Merino)
To European Nucleotide Archive, ENA (Carex binervis) 
To European Nucleotide Archive, ENA (Carex distans) (from synonym Carex distans Lightf.)
To International Plant Names Index (IPNI) (from synonym Carex distans Lightf.)
To International Plant Names Index (IPNI) (from synonym Carex fulva Hornem.)
To International Plant Names Index (IPNI) (from synonym Carex gandogeri H.Lév. ex Gand.)
To International Plant Names Index (IPNI) (from synonym Trasus binervis (Sm.) Gray)
To International Plant Names Index (IPNI) 
To International Plant Names Index (IPNI) (from synonym Carex versicolor Dumort.)
To International Plant Names Index (IPNI) (from synonym Carex ovata Merino)
To International Plant Names Index (IPNI) (from synonym Carex gandogeri H.Lév. & Vaniot)
To International Plant Names Index (IPNI) (from synonym Carex sadleri E.F.Linton)
To International Plant Names Index (IPNI) (from synonym Carex distans subsp. binervis (Sm.) Husn.)
To International Plant Names Index (IPNI) (from synonym Carex multinervis Krock.)
To International Plant Names Index (IPNI) (from synonym Carex multinervis Krock. ex Steud.)
To International Plant Names Index (IPNI) (from synonym Carex distans subsp. binervis (Sm.) Douin)
To International Plant Names Index (IPNI) (from synonym Trasus binervis var. ramosus Gray)
To International Plant Names Index (IPNI) (from synonym Trasus binervis var. androgynus Gray)
To International Plant Names Index (IPNI) (from synonym Carex binervis var. alpina Drejer)
To International Plant Names Index (IPNI) (from synonym Carex binervis var. ovata Merino)
To LE Herbarium (Carex binervis LE00010176 type 1) 
To Plants of the World Online (from synonym Trasus binervis (Sm.) Gray)
To Plants of the World Online 
To Plants of the World Online (from synonym Carex distans Lightf.)
To Plants of the World Online (from synonym Carex gandogeri H.Lév. ex Gand.)
To Plants of the World Online (from synonym Carex fulva Hornem.)
To Plants of the World Online (from synonym Carex versicolor Dumort.)
To Plants of the World Online (from synonym Carex sadleri E.F.Linton)
To Plants of the World Online (from synonym Carex gandogeri H.Lév. & Vaniot)
To Plants of the World Online (from synonym Carex ovata Merino)
To Plants of the World Online (from synonym Carex multinervis Krock.)
To Plants of the World Online (from synonym Carex rodriguezii Merino)
To Plants of the World Online (from synonym Carex binervis f. nigrescens Druce)
To Plants of the World Online (from synonym Carex distans subsp. binervis (Sm.) Husn.)
To Plants of the World Online (from synonym Carex binervis var. ovata Merino)
To Plants of the World Online (from synonym Carex binervis var. alpina Drejer)
To Plants of the World Online (from synonym Trasus binervis var. androgynus Gray)
To Plants of the World Online (from synonym Trasus binervis var. ramosus Gray)
To Plants of the World Online (from synonym Carex distans subsp. binervis (Sm.) Douin)
To The Plant List (from synonym Carex rodriguesii Merino)
To The Plant List (from synonym Carex multinervis Krock. ex Steud.)
From editor or global species database
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