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Cyperaceae taxon details

Carex laevigata Sm.

To Royal Botanic Gardens, Kew (Carex laevigata K000960477 type 1)
To Royal Botanic Gardens, Kew (Carex laevigata K000960477 type 1)

1677453  (urn:lsid:marinespecies.org:taxname:1677453)

  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. Spirostachyae (Section)
  15. Carex laevigata (Species)
accepted
Species

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terrestrial
Smith, J.E. (1800). Dr. Smith's Descriptions of five new British Species of Carex. <em>Transactions of the Linnean Society of London.</em> 5: 264-273.
page(s): 272 [details] OpenAccess publication
Description Rhizomes short, with shoots forming dense tufts up to 30 cm across; roots yellow-brown and felty, and scales brown or...  
Description Rhizomes short, with shoots forming dense tufts up to 30 cm across; roots yellow-brown and felty, and scales brown or reddish, rarely becoming fibrous. Stems 30–120 cm, stout and trigonous with slightly rounded faces. Leaves 15–60 cm × 5–12 mm, thin, shallowly keeled, plicate, abruptly tapered, smooth but with fine teeth on the edges and on the midrib below, bright green, turning brown and persisting when dead; hypostomous; sheaths persistent, distinctly veined, with hyaline areas between them when young, becoming brown with age, the inner face hyaline and flecked pink; apex convex or lingulate; ligule 7–15 mm, acute or obtuse. The inflorescence is 1/4–2/3 the length of the stem, with leaf-like bracts longer than the spike but not exceeding the inflorescence. Male spikes 1 or 2, 2–6 cm, with male glumes 5–6 mm, oblong-oblanceolate, pale orange-brown with red-brown flecks, margins and base hyaline, apex obtuse and mucronate or rarely long-acute. Female spikes 2–4, distant, 2–5 cm, ovoid-cylindric, ± erect, the lowest usually pendent; peduncles up to 80 mm and ensheathed; female glumes 3–5 mm, ovate or ovate-lanceolate, brown-hyaline and often with red-brown flecks, midrib green, apex acuminate and often rough at the tip. Utricles 4–6 mm, ovoid or subglobose, partially inflated, ± strongly ribbed, green with fine reddish dots, the beak 1.5 mm, ± scabrid and deeply bifid; stigmas 3; nut trigonous-globose. [details]

Description Densely tufted, with a robust rhizome. Fertile stems (40)50-100(120) cm tall, obtusely trigonous, smooth or slightly...  
Description Densely tufted, with a robust rhizome. Fertile stems (40)50-100(120) cm tall, obtusely trigonous, smooth or slightly roughened in the upper region. Leaves (3)5-9(17) mm wide, shorter than the stems, smooth or somewhat roughened near the apex, flat or folded, not very rigid, medium to dark green, matte; ligule (6)9-20(40) mm, generally acute, width equal to or less than the blade; anteligule smaller than the ligule, generally obtuse; basal sheaths light brown, entire or slightly fibrous. Lower bract leafy, longer or shorter than the inflorescence. Male spike generally solitary, very rarely 2, measuring (15)25-45(64) × (2.5)3.5-4.5(6) mm, fusiform; female spikes 2-4, (15)25-40(57) × (3.5)6-8(10) mm, cylindrical, distant, ± pedunculate, the lower one generally pendulous. Male glumes oblong or obovate, ± acute, light brown; female glumes ± oval, acuminate, light brown. Utricles (3.3)4-5(5.8) × 1-2 mm, generally suberect, rarely spreading or spreading-erect, narrowly oval, many-nerved, gradually tapered to a bidentate, rough beak up to 2 mm long. Achenes 2.5-4.2 × 0.8-1.5 mm, elliptic in outline, trigonous. Chromosome numbers 2n = 69, 70, 71, 72, 73, 74, 75, 76, 77*, 78, 80, 82, 84. [details]

Description Densamente cespitosa, con rizoma robusto. Tallos fértiles (40)50-100(120) cm, obtusamente trígonos, lisos o ligeramente...  
Description Densamente cespitosa, con rizoma robusto. Tallos fértiles (40)50-100(120) cm, obtusamente trígonos, lisos o ligeramente escábridos en la zona superior. Hojas (3)5-9(17) mm de anchura, de menor longitud que la de los tallos, lisas o algo escábridas hacia la zona apical, planas o plegadas, no muy rígidas, de color verde medio a obscuro, mates; lígula (6)9-20(40) mm, generalmente aguda, de anchura igual o inferior que la del limbo; antelígula menor que la lígula, generalmente obtusa; vainas basales de color pardo claro, enteras o escasamente fibrosas. Bráctea inferior foliácea, de longitud mayor o menor que la inflorescencia. Espiga masculina generalmente solitaria, muy raramente 2, de (15)25-45(64) × (2,5)3,5-4,5(6) mm, fusiforme; espigas femeninas 2-4, de (15)25-40(57) × (3,5)6-8(10) mm, cilíndricas, distantes, ± pedunculadas, la inferior generalmente colgante. Glumas masculinas oblongas u obovadas, ± agudas, de color pardo claro; glumas femeninas ± ovales, acuminadas, de color pardo claro. Utrículos (3,3)4-5(5,8) × 1-2 mm generalmente suberectos, raramente patentes o erectopatentes, estrechamente ovales, plurinerviados, gradualmente atenuados en un pico bífido, escábrido, hasta de 2 mm. Aquenios 2,5-4,2 × 0,8-1,5 mm, de contorno elíptico, trígonos. 2n = 69, 70, 71, 72, 73, 74, 75, 76, 77*, 78, 80, 82, 84. [details]

Taxonomic remark Source in seed data: wcs Updated namepublishedIn from Trans. Linn. Soc. London 5: 272 1800 to Trans. Linn. Soc. London 5:...  
Taxonomic remark Source in seed data: wcs Updated namepublishedIn from Trans. Linn. Soc. London 5: 272 1800 to Trans. Linn. Soc. London 5: 272. 1800 , information provided by Alan E. on email Oct. 12 2020 More details could be found in [details]
Cyperaceae Working Group. (2025). [see How to cite]. Global Cyperaceae Database. Carex laevigata Sm.. Accessed at: https://cyperaceae.org/aphia.php?p=taxdetails&id=1677453 on 2025-12-31
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

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


Nomenclature

original description Smith, J.E. (1800). Dr. Smith's Descriptions of five new British Species of Carex. <em>Transactions of the Linnean Society of London.</em> 5: 264-273.
page(s): 272 [details] OpenAccess publication

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

Taxonomy

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] 

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]

 
 Present  Inaccurate  Introduced: alien  Containing type locality 
   

Unknown type LINN HS1441-196-2, geounit United Kingdom [details]
From editor or global species database
Description Rhizomes short, with shoots forming dense tufts up to 30 cm across; roots yellow-brown and felty, and scales brown or reddish, rarely becoming fibrous. Stems 30–120 cm, stout and trigonous with slightly rounded faces. Leaves 15–60 cm × 5–12 mm, thin, shallowly keeled, plicate, abruptly tapered, smooth but with fine teeth on the edges and on the midrib below, bright green, turning brown and persisting when dead; hypostomous; sheaths persistent, distinctly veined, with hyaline areas between them when young, becoming brown with age, the inner face hyaline and flecked pink; apex convex or lingulate; ligule 7–15 mm, acute or obtuse. The inflorescence is 1/4–2/3 the length of the stem, with leaf-like bracts longer than the spike but not exceeding the inflorescence. Male spikes 1 or 2, 2–6 cm, with male glumes 5–6 mm, oblong-oblanceolate, pale orange-brown with red-brown flecks, margins and base hyaline, apex obtuse and mucronate or rarely long-acute. Female spikes 2–4, distant, 2–5 cm, ovoid-cylindric, ± erect, the lowest usually pendent; peduncles up to 80 mm and ensheathed; female glumes 3–5 mm, ovate or ovate-lanceolate, brown-hyaline and often with red-brown flecks, midrib green, apex acuminate and often rough at the tip. Utricles 4–6 mm, ovoid or subglobose, partially inflated, ± strongly ribbed, green with fine reddish dots, the beak 1.5 mm, ± scabrid and deeply bifid; stigmas 3; nut trigonous-globose. [details]

Description Densely tufted, with a robust rhizome. Fertile stems (40)50-100(120) cm tall, obtusely trigonous, smooth or slightly roughened in the upper region. Leaves (3)5-9(17) mm wide, shorter than the stems, smooth or somewhat roughened near the apex, flat or folded, not very rigid, medium to dark green, matte; ligule (6)9-20(40) mm, generally acute, width equal to or less than the blade; anteligule smaller than the ligule, generally obtuse; basal sheaths light brown, entire or slightly fibrous. Lower bract leafy, longer or shorter than the inflorescence. Male spike generally solitary, very rarely 2, measuring (15)25-45(64) × (2.5)3.5-4.5(6) mm, fusiform; female spikes 2-4, (15)25-40(57) × (3.5)6-8(10) mm, cylindrical, distant, ± pedunculate, the lower one generally pendulous. Male glumes oblong or obovate, ± acute, light brown; female glumes ± oval, acuminate, light brown. Utricles (3.3)4-5(5.8) × 1-2 mm, generally suberect, rarely spreading or spreading-erect, narrowly oval, many-nerved, gradually tapered to a bidentate, rough beak up to 2 mm long. Achenes 2.5-4.2 × 0.8-1.5 mm, elliptic in outline, trigonous. Chromosome numbers 2n = 69, 70, 71, 72, 73, 74, 75, 76, 77*, 78, 80, 82, 84. [details]

Description Densamente cespitosa, con rizoma robusto. Tallos fértiles (40)50-100(120) cm, obtusamente trígonos, lisos o ligeramente escábridos en la zona superior. Hojas (3)5-9(17) mm de anchura, de menor longitud que la de los tallos, lisas o algo escábridas hacia la zona apical, planas o plegadas, no muy rígidas, de color verde medio a obscuro, mates; lígula (6)9-20(40) mm, generalmente aguda, de anchura igual o inferior que la del limbo; antelígula menor que la lígula, generalmente obtusa; vainas basales de color pardo claro, enteras o escasamente fibrosas. Bráctea inferior foliácea, de longitud mayor o menor que la inflorescencia. Espiga masculina generalmente solitaria, muy raramente 2, de (15)25-45(64) × (2,5)3,5-4,5(6) mm, fusiforme; espigas femeninas 2-4, de (15)25-40(57) × (3,5)6-8(10) mm, cilíndricas, distantes, ± pedunculadas, la inferior generalmente colgante. Glumas masculinas oblongas u obovadas, ± agudas, de color pardo claro; glumas femeninas ± ovales, acuminadas, de color pardo claro. Utrículos (3,3)4-5(5,8) × 1-2 mm generalmente suberectos, raramente patentes o erectopatentes, estrechamente ovales, plurinerviados, gradualmente atenuados en un pico bífido, escábrido, hasta de 2 mm. Aquenios 2,5-4,2 × 0,8-1,5 mm, de contorno elíptico, trígonos. 2n = 69, 70, 71, 72, 73, 74, 75, 76, 77*, 78, 80, 82, 84. [details]

Taxonomic remark Source in seed data: wcs Updated namepublishedIn from Trans. Linn. Soc. London 5: 272 1800 to Trans. Linn. Soc. London 5: 272. 1800 , information provided by Alan E. on email Oct. 12 2020 More details could be found in [details]
    Definitions

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To Biodiversity Heritage Library (1 publication) (from synonym Carex flacciformis Hoffmanns. ex Kunth)
To Biodiversity Heritage Library (1 publication) (from synonym Carex schraderi Willd.)
To Biodiversity Heritage Library (100 publications) (from synonym Carex patula Schkuhr)
To Biodiversity Heritage Library (179 publications) (from synonym Carex longirostris Krock.)
To Biodiversity Heritage Library (21 publications) (from synonym Carex biligularis DC.)
To Biodiversity Heritage Library (236 publications) 
To Biodiversity Heritage Library (326 publications) (from synonym Carex binervis Dewey)
To Biodiversity Heritage Library (6 publications) (from synonym Trasus laevigatus (Sm.) Gray)
To European Nucleotide Archive, ENA (Carex binervis) (from synonym Carex binervis Dewey)
To European Nucleotide Archive, ENA (Carex laevigata) 
To Genève Herbarium (Carex biligularis G00191871 type 1) (from synonym Carex biligularis DC.)
To International Plant Names Index (IPNI) (from synonym Carex binervis Dewey)
To International Plant Names Index (IPNI) (from synonym Trasus laevigatus (Sm.) Gray)
To International Plant Names Index (IPNI) (from synonym Carex biligularis DC.)
To International Plant Names Index (IPNI) (from synonym Edritria laevigata (Sm.) Raf.)
To International Plant Names Index (IPNI) 
To International Plant Names Index (IPNI) (from synonym Carex flacciformis Hoffmanns. ex Kunth)
To International Plant Names Index (IPNI) (from synonym Carex longirostris Krock.)
To International Plant Names Index (IPNI) (from synonym Carex patula Schkuhr)
To International Plant Names Index (IPNI) (from synonym Carex schraderi Willd.)
To International Plant Names Index (IPNI) (from synonym Carex welwitschii Boiss. ex Steud.)
To International Plant Names Index (IPNI) (from synonym Carex andalusica (H.Lindb.) A.W.Hill)
To International Plant Names Index (IPNI) (from synonym Carex andalusica H.Lindb.)
To International Plant Names Index (IPNI) (from synonym Carex helodes subsp. andalusica H.Lindb.)
To International Plant Names Index (IPNI) (from synonym Carex pendula subsp. welwitschii (Boiss. ex Steud.) K.Richt.)
To International Plant Names Index (IPNI) (from synonym Carex helodes var. maurusia Font Quer & Maire)
To International Plant Names Index (IPNI) (from synonym Carex laevigata var. biligularis (DC.) Nyman)
To International Plant Names Index (IPNI) (from synonym Carex laevigata var. welwitschii (Boiss. ex Steud.) Boott)
To LE Herbarium (Carex schraderi LE00010393 specimen originale 1) (from synonym Carex schraderi Willd.)
To LE Herbarium (Carex welwitschii LE00010426 type 1) (from synonym Carex welwitschii Boiss. ex Steud.)
To LE Herbarium (Carex welwitschii LE00010427 type 1) (from synonym Carex welwitschii Boiss. ex Steud.)
To Plants of the World Online (from synonym Carex andalusica (H.Lindb.) A.W.Hill)
To Plants of the World Online (from synonym Carex schraderi Willd.)
To Plants of the World Online (from synonym Carex patula Schkuhr)
To Plants of the World Online (from synonym Carex flacciformis Hoffmanns. ex Kunth)
To Plants of the World Online (from synonym Carex longirostris Krock.)
To Plants of the World Online 
To Plants of the World Online (from synonym Trasus laevigatus (Sm.) Gray)
To Plants of the World Online (from synonym Edritria laevigata (Sm.) Raf.)
To Plants of the World Online (from synonym Carex biligularis DC.)
To Plants of the World Online (from synonym Carex binervis Dewey)
To Plants of the World Online (from synonym Carex welwitschii Boiss. ex Steud.)
To Plants of the World Online (from synonym Carex pendula subsp. welwitschii (Boiss. ex Steud.) K.Richt.)
To Plants of the World Online (from synonym Carex helodes subsp. andalusica H.Lindb.)
To Plants of the World Online (from synonym Carex laevigata var. maurusia (Font Quer & Maire) C.Vicioso)
To Plants of the World Online (from synonym Carex laevigata var. biligularis (DC.) Asch. & Graebn.)
To Plants of the World Online (from synonym Carex helodes f. biligularis (DC.) Kük.)
To Plants of the World Online (from synonym Carex laevigata f. biligularis (DC.) Asch. & Graebn.)
To Plants of the World Online (from synonym Carex laevigata var. welwitschii (Boiss. ex Steud.) Boott)
To Plants of the World Online (from synonym Carex helodes var. maurusia Font Quer & Maire)
To Plants of the World Online (from synonym Carex laevigata var. biligularis (DC.) Nyman)
To Royal Botanic Gardens, Kew (Carex laevigata K000960477 type 1) 
To the Natural History Museum, London (Carex laevigata Sm. BM001067071 type 1) 
To The Plant List (from synonym Carex andalusica H.Lindb.)
From editor or global species database
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