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Cyperaceae taxon details

Carex limosa L.

1677523  (urn:lsid:marinespecies.org:taxname:1677523)

accepted
Species

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  1. Forma Carex limosa f. angustisquama Holmb. accepted as Carex limosa L.
  2. Forma Carex limosa f. depauperata H.Lindb. accepted as Carex firmior (Norman) Holmb. represented as Carex ×firmior (Norman) Holmb.
  3. Forma Carex limosa f. laxiformis Lackow. accepted as Carex limosa L.
  4. Forma Carex limosa f. longivaginata H.Lindb. ex Hiitonen accepted as Carex limosa L.
  5. Forma Carex limosa f. obscura Holmb. accepted as Carex limosa L.
  6. Forma Carex limosa f. pauciflora Asch. accepted as Carex limosa L.
  7. Forma Carex limosa f. robustior Lackow. accepted as Carex limosa L.
  8. Forma Carex limosa f. stans Bolle accepted as Carex limosa L.
  9. Subspecies Carex limosa subsp. irrigua Wahlenb. accepted as Carex magellanica subsp. irrigua (Wahlenb.) Hiitonen
  10. Subspecies Carex limosa subsp. planifolia (Kohts) K.Richt. accepted as Carex magellanica subsp. irrigua (Wahlenb.) Hiitonen
  11. Variety Carex limosa var. fuscocuprea Kük. accepted as Carex limosa L.
  12. Variety Carex limosa var. humilior St.-Lag. accepted as Carex magellanica subsp. magellanica
  13. Variety Carex limosa var. irrigata Wahlenb. accepted as Carex magellanica subsp. irrigua (Wahlenb.) Hiitonen
  14. Variety Carex limosa var. irrigua Wahlenb. accepted as Carex magellanica subsp. irrigua (Wahlenb.) Hiitonen
  15. Variety Carex limosa var. irrigua (Wahlenb.) Hartm. accepted as Carex magellanica subsp. irrigua (Wahlenb.) Hiitonen
  16. Variety Carex limosa var. livida Wahlenb. accepted as Carex livida (Wahlenb.) Willd.
  17. Variety Carex limosa var. magellanica (Lam.) Fiori accepted as Carex magellanica Lam.
  18. Variety Carex limosa var. oblonga Dewey accepted as Carex limosa L.
  19. Variety Carex limosa var. painei Dewey accepted as Carex limosa L.
  20. Variety Carex limosa var. pauciflora Vahl ex Schkuhr accepted as Carex rariflora var. rariflora
  21. Variety Carex limosa var. planifolia Kohts accepted as Carex limosa L.
  22. Variety Carex limosa var. rariflora Wahlenb. accepted as Carex rariflora (Wahlenb.) Sm.
  23. Variety Carex limosa var. rariflora (Wahlenb.) Wahlenb. accepted as Carex rariflora (Wahlenb.) Sm.
  24. Variety Carex limosa var. rariflora (Wahlenb.) Wahlenb. accepted as Carex rariflora (Wahlenb.) Sm.
  25. Variety Carex limosa var. stygia (Fr.) L.H.Bailey accepted as Carex ×stygia Fr.
terrestrial
Linnaeus, C. (1753). Species plantarum, exhibentes plantas rite cognitas ad genera relatas cum differentiis specificis, nominibus trivialibus, synonymis selectis, locis natalibus, secundum systema sexuale digestas. Vol 2. Salvius, Stockholm., available online at https://www.biodiversitylibrary.org/page/358580
page(s): 977 [details] 
Description Rhizomes often far-creeping, lying amongst mosses, partly ascending; shoots loosely tufted, initially decumbent, slender;...  
Description Rhizomes often far-creeping, lying amongst mosses, partly ascending; shoots loosely tufted, initially decumbent, slender; roots yellow, felted; scales brown, persistent. In winter only wiry rhizomes with few leaves survive. Stems 10–40 cm, ± rough, slender, trigonous, striate, often decumbent at base. Leaves 15–40 cm × 1–2.5 mm, ± rough, thin, keeled, gradually tapered to a fine, rough point, pale green to bluish-grey-green, often rich brown on decay; hypostomous; sheaths red-flushed, becoming brown or red-brown, persistent, inner face hyaline; apex concave; ligule 1–2 mm, obtuse. Inflorescence c. 1/6 length of stem; bracts leaf-like, greyish-green, lowest about as long as spike, not sheathing or with sheath <5 mm. Male spike 1, 10–25 mm; male glumes 3–4 mm, broadly lanceolate, red-brown, often with green midrib; apex ± acute, apiculate. Female spikes 1–3, 7–20 mm, with up to 20 flowers, usually nodding; peduncles up to 40 mm, slender, smooth; female glumes 5–5.5 mm, slightly wider than utricle, ovate, brown or reddish-purple, with green midrib; apex acute to aristate. Utricles 3–3.5 mm, obovoid to broadly ellipsoid, compressed, strongly ribbed, grey-glaucous; beak 0.5 mm, truncate; stigmas 3; nut obovoid, trigonous. [details]

Description Rizoma de entrenudos largos, delgado. Tallos (12)15-25(35) cm, trígonos, lisos o algo escábridos hacia el ápice. Hojas...  
Description Rizoma de entrenudos largos, delgado. Tallos (12)15-25(35) cm, trígonos, lisos o algo escábridos hacia el ápice. Hojas 0,5-2 mm de anchura, de longitud mayor o menor que los tallos, ásperas en los bordes de la zona superior, canaliculadas, muy papilosas, glaucas, ± blandas; lígula hasta 2 mm, de ápice obtuso, truncado o emarginado; sin antelígula; vainas basales con limbo desarrollado, enteras o ± fibrosas, pardas. Bráctea inferior reducida a una corta vaina escariosa de color pardo oscuro y un limbo setáceo o foliáceo, de longitud menor, igual o poco mayor que la inflorescencia. Espiga masculina solitaria, de 10-20(25) mm, linear o fusiforme; espigas femeninas 1-2, de (8)10-15(20) mm, a veces la superior andrógina, ovoideas o cortamente cilíndricas, medianamente densifloras, un poco separadas, pedunculadas, la inferior colgante. Glumas masculinas obovadas, agudas, obtusas o mucronadas, pardas, sin margen escarioso, papilosas; glumas femeninas anchamente ovadas, mucronadas, pardas, generalmente con una banda central verde, sin margen escarioso, de menor longitud que los utrículos, papilosas. Utrículos 3-4,5 × 1-2 mm, suberectos, de contorno oval, biconvexos o plano-convexos, con los nervios muy prominentes, glabros, muy densamente papilosos, glaucos, gradualmente atenuados en un pico menor de 0,3 mm, recto, de ápice truncado o muy cortamente bidentado. Aquenios 1,5-2,1 × 1-1,4 mm, de contorno elíptico u obovado, trígonos, de color pardo claro. 2n = 56*, 61*, 62*, 63*, 64*. [details]

Description Perennials. loosely caespitose, with long creeping rhizomes. Stems 20–40 cm tall. Leaves 1–2.5 mm wide, pale green,...  
Description Perennials. loosely caespitose, with long creeping rhizomes. Stems 20–40 cm tall. Leaves 1–2.5 mm wide, pale green, densely papillate. Basal sheaths reddish brown. Involucral bracts needle-like, with short sheaths. Inflorescence terminal spike staminate, pedunculate, linear cylindrical, 1–2 cm long, reddish brown; lateral spikes pistillate, 1–2, shortly cylindrical, 1–2 cm long, pedunculate, nodding or drooping. Staminate scales reddish brown, apex acute or shortly awned. Pistillate scales reddish brown, apex acuminate or shortly aristate. Perigynia shorter than pistillate scales, ovoid, 3–3.5 mm long, finely veined, densely papillate, shortly beaked, mouth truncate. Achenes loosely enveloped by perigynium, obovoid, ca. 2.5 mm long. Stigmas 3. [details]

Taxonomic remark Source in seed data: wcs Update namepublishedIn from Sp. Pl. 977 1753 to Sp. Pl. : 977 (1753), information provided by...  
Taxonomic remark Source in seed data: wcs Update namepublishedIn from Sp. Pl. 977 1753 to Sp. Pl. : 977 (1753), information provided by Alan E. on email Jun. 07 2021 More details could be found in The Plant L [details]
Cyperaceae Working Group. (2025). [see How to cite]. Global Cyperaceae Database. Carex limosa L.. Accessed at: https://cyperaceae.org/aphia.php?p=taxdetails&id=1677523 on 2026-06-08
Date
action
by
2023-09-06 07:28:28Z
created
2024-12-10 11:47:54Z
unchecked
db_admin
2025-03-11 11:19:03Z
changed

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Nomenclature

original description Linnaeus, C. (1753). Species plantarum, exhibentes plantas rite cognitas ad genera relatas cum differentiis specificis, nominibus trivialibus, synonymis selectis, locis natalibus, secundum systema sexuale digestas. Vol 2. Salvius, Stockholm., available online at https://www.biodiversitylibrary.org/page/358580
page(s): 977 [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] 

Other

additional source Li, B. Z.; Zhang, S. R. (2024). An updated species checklist and taxonomic synopsis of Cyperaceae in China. <em>Biodiversity Science.</em> 32(7): 24106., available online at https://doi.org/10.17520/biods.2024106 [details] Available for editors  PDF available [request]

 
 Present  Inaccurate  Introduced: alien  Containing type locality 
   

From editor or global species database
Additional information 2n=56 [details]

Additional information 2n=61, 62 [details]

Additional information 2n=63 [details]

Additional information 2n=64 [details]

Description Rhizomes often far-creeping, lying amongst mosses, partly ascending; shoots loosely tufted, initially decumbent, slender; roots yellow, felted; scales brown, persistent. In winter only wiry rhizomes with few leaves survive. Stems 10–40 cm, ± rough, slender, trigonous, striate, often decumbent at base. Leaves 15–40 cm × 1–2.5 mm, ± rough, thin, keeled, gradually tapered to a fine, rough point, pale green to bluish-grey-green, often rich brown on decay; hypostomous; sheaths red-flushed, becoming brown or red-brown, persistent, inner face hyaline; apex concave; ligule 1–2 mm, obtuse. Inflorescence c. 1/6 length of stem; bracts leaf-like, greyish-green, lowest about as long as spike, not sheathing or with sheath <5 mm. Male spike 1, 10–25 mm; male glumes 3–4 mm, broadly lanceolate, red-brown, often with green midrib; apex ± acute, apiculate. Female spikes 1–3, 7–20 mm, with up to 20 flowers, usually nodding; peduncles up to 40 mm, slender, smooth; female glumes 5–5.5 mm, slightly wider than utricle, ovate, brown or reddish-purple, with green midrib; apex acute to aristate. Utricles 3–3.5 mm, obovoid to broadly ellipsoid, compressed, strongly ribbed, grey-glaucous; beak 0.5 mm, truncate; stigmas 3; nut obovoid, trigonous. [details]

Description Rizoma de entrenudos largos, delgado. Tallos (12)15-25(35) cm, trígonos, lisos o algo escábridos hacia el ápice. Hojas 0,5-2 mm de anchura, de longitud mayor o menor que los tallos, ásperas en los bordes de la zona superior, canaliculadas, muy papilosas, glaucas, ± blandas; lígula hasta 2 mm, de ápice obtuso, truncado o emarginado; sin antelígula; vainas basales con limbo desarrollado, enteras o ± fibrosas, pardas. Bráctea inferior reducida a una corta vaina escariosa de color pardo oscuro y un limbo setáceo o foliáceo, de longitud menor, igual o poco mayor que la inflorescencia. Espiga masculina solitaria, de 10-20(25) mm, linear o fusiforme; espigas femeninas 1-2, de (8)10-15(20) mm, a veces la superior andrógina, ovoideas o cortamente cilíndricas, medianamente densifloras, un poco separadas, pedunculadas, la inferior colgante. Glumas masculinas obovadas, agudas, obtusas o mucronadas, pardas, sin margen escarioso, papilosas; glumas femeninas anchamente ovadas, mucronadas, pardas, generalmente con una banda central verde, sin margen escarioso, de menor longitud que los utrículos, papilosas. Utrículos 3-4,5 × 1-2 mm, suberectos, de contorno oval, biconvexos o plano-convexos, con los nervios muy prominentes, glabros, muy densamente papilosos, glaucos, gradualmente atenuados en un pico menor de 0,3 mm, recto, de ápice truncado o muy cortamente bidentado. Aquenios 1,5-2,1 × 1-1,4 mm, de contorno elíptico u obovado, trígonos, de color pardo claro. 2n = 56*, 61*, 62*, 63*, 64*. [details]

Description Perennials. loosely caespitose, with long creeping rhizomes. Stems 20–40 cm tall. Leaves 1–2.5 mm wide, pale green, densely papillate. Basal sheaths reddish brown. Involucral bracts needle-like, with short sheaths. Inflorescence terminal spike staminate, pedunculate, linear cylindrical, 1–2 cm long, reddish brown; lateral spikes pistillate, 1–2, shortly cylindrical, 1–2 cm long, pedunculate, nodding or drooping. Staminate scales reddish brown, apex acute or shortly awned. Pistillate scales reddish brown, apex acuminate or shortly aristate. Perigynia shorter than pistillate scales, ovoid, 3–3.5 mm long, finely veined, densely papillate, shortly beaked, mouth truncate. Achenes loosely enveloped by perigynium, obovoid, ca. 2.5 mm long. Stigmas 3. [details]

Taxonomic remark Source in seed data: wcs Update namepublishedIn from Sp. Pl. 977 1753 to Sp. Pl. : 977 (1753), information provided by Alan E. on email Jun. 07 2021 More details could be found in The Plant L [details]

Translation Rhizome with long internodes, slender. Stems (12)15–25(35) cm, trigonous, smooth or slightly scabrid towards the apex. Leaves 0.5–2 mm wide, shorter or longer than the stems, rough along the margins of the upper part, channelled, very papillose, glaucous, ± soft; ligule up to 2 mm, with an obtuse, truncate or emarginate apex; without an antiligule; basal sheaths with a developed blade, entire or ± fibrous, brown. Lower bract reduced to a short scarious sheath of dark brown colour with a setaceous or leafy blade, shorter than, equal to or slightly longer than the inflorescence. Male spike solitary, 10–20(25) mm long, linear or fusiform; female spikes 1–2, (8)10–15(20) mm, sometimes the upper one androgynous, ovoid or shortly cylindrical, moderately dense-flowered, slightly spaced, pedunculate, the lower pendulous. Male glumes obovate, acute, obtuse or mucronate, brown, without a scarious margin, papillose; female glumes broadly ovate, mucronate, brown, usually with a central green band, without a scarious margin, shorter than the utricles, papillose. Utricles 3–4.5 × 1–2 mm, suberect, oval in outline, biconvex or plano-convex, with very prominent nerves, glabrous, very densely papillose, glaucous, gradually narrowed into a beak less than 0.3 mm long, straight, with a truncate or very shortly bidentate apex. Achenes 1.5–2.1 × 1–1.4 mm, elliptic or obovate in outline, trigonous, light brown. 2n = 56*, 61*, 62*, 63*, 64*. [details]
    Definitions

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LanguageName 
Japanese ヤチスゲ(Yachi-suge)  [details]