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Cyperaceae taxon details

Carex canescens L.

1678231  (urn:lsid:marinespecies.org:taxname:1678231)

accepted
Species

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  1. Subspecies Carex canescens subsp. canescens L.
  2. Subspecies Carex canescens subsp. disjuncta (Fernald) Toivonen
  3. Variety Carex canescens var. robustior Blytt ex Andersson
  4. Forma Carex canescens f. fulvescens Holmb. accepted as Carex canescens L.
  5. Forma Carex canescens f. subsubulosa (Norman) Toivonen accepted as Carex canescens subsp. canescens L.
  6. Subspecies Carex canescens subsp. arctiformis (Mack.) Calder & Roy L.Taylor accepted as Carex arctiformis Mack.
  7. Subspecies Carex canescens subsp. brunnescens (Pers.) Asch. & Graebn. accepted as Carex brunnescens (Pers.) Poir.
  8. Subspecies Carex canescens subsp. lapponica (O.Lang) Hiitonen accepted as Carex lapponica O.Lang
  9. Subspecies Carex canescens subsp. macilenta (F.Nyl.) K.Richt. accepted as Carex ×arctophila F.Nyl.
  10. Subspecies Carex canescens subsp. persoonii (O.Lang) K.Richt. accepted as Carex canescens subsp. canescens L.
  11. Subspecies Carex canescens subsp. subloliacea (Laest.) K.Richt. accepted as Carex lapponica O.Lang
  12. Subspecies Carex canescens subsp. vitilis (Fr.) K.Richt. accepted as Carex brunnescens subsp. brunnescens (Pers.) Poir.
  13. Variety Carex canescens var. alpicola Wahlenb. accepted as Carex brunnescens subsp. brunnescens (Pers.) Poir.
  14. Variety Carex canescens var. alpicola Kurtz accepted as Carex canescens var. robustior Blytt ex Andersson
  15. Variety Carex canescens var. bracteata Klett & Richt. accepted as Carex canescens subsp. canescens L.
  16. Variety Carex canescens var. brunnea Macoun accepted as Carex canescens subsp. canescens L.
  17. Variety Carex canescens var. brunnescens (Pers.) W.D.J.Koch accepted as Carex brunnescens (Pers.) Poir.
  18. Variety Carex canescens var. canescens L. accepted as Carex canescens L.
  19. Variety Carex canescens var. congesta Domin accepted as Carex canescens subsp. canescens L.
  20. Variety Carex canescens var. curta (Gooden.) Macloskie accepted as Carex curta Gooden. accepted as Carex canescens L.
  21. Variety Carex canescens var. disjuncta Fernald accepted as Carex canescens subsp. disjuncta (Fernald) Toivonen
  22. Variety Carex canescens var. dubia L.H.Bailey accepted as Carex praeceptorum Mack.
  23. Variety Carex canescens var. dubia Kük. accepted as Carex canescens var. robustior Blytt ex Andersson
  24. Variety Carex canescens var. fallax Kurtz ex Kük. accepted as Carex canescens var. robustior Blytt ex Andersson
  25. Variety Carex canescens var. fallax Kurtz accepted as Carex canescens L.
  26. Variety Carex canescens var. gracillima Schur accepted as Carex canescens subsp. canescens L.
  27. Variety Carex canescens var. heterostachya Farw. accepted as Carex canescens subsp. canescens L.
  28. Variety Carex canescens var. laetevirens Asch. accepted as Carex canescens subsp. canescens L.
  29. Variety Carex canescens var. lapponica (O.Lang) Nyman accepted as Carex lapponica O.Lang
  30. Variety Carex canescens var. longibracteata Porcius accepted as Carex canescens subsp. canescens L.
  31. Variety Carex canescens var. macilenta (F.Nyl.) Christ accepted as Carex ×arctophila F.Nyl.
  32. Variety Carex canescens var. maxima Kük. accepted as Carex heleonastes subsp. heleonastes Ehrh. ex L.f.
  33. Variety Carex canescens var. oregana L.H.Bailey accepted as Carex arcta Boott
  34. Variety Carex canescens var. persoonii Christ accepted as Carex brunnescens subsp. brunnescens (Pers.) Poir.
  35. Variety Carex canescens var. polystachya Boott accepted as Carex arcta Boott
  36. Variety Carex canescens var. robusta Blytt accepted as Carex canescens subsp. canescens L.
  37. Variety Carex canescens var. robustina Macoun accepted as Carex canescens subsp. canescens L.
  38. Variety Carex canescens var. sphaerostachya Tuck. accepted as Carex brunnescens subsp. sphaerostachya (Tuck.) Kalela
  39. Variety Carex canescens var. subelongata Laest. accepted as Carex canescens subsp. canescens L.
  40. Variety Carex canescens var. subloliacea Laest. accepted as Carex lapponica O.Lang
  41. Variety Carex canescens var. subloliacea Laest. accepted as Carex lapponica O.Lang
  42. Variety Carex canescens var. submuricata Laest. accepted as Carex canescens subsp. canescens L.
  43. Variety Carex canescens var. subtenella Kük. accepted as Carex canescens subsp. canescens L.
  44. Variety Carex canescens var. subvitilis Neuman accepted as Carex canescens subsp. canescens L.
  45. Variety Carex canescens var. tenuis O.Lang accepted as Carex canescens subsp. canescens L.
  46. Variety Carex canescens var. vitilis (Fr.) J.Carey accepted as Carex brunnescens subsp. brunnescens (Pers.) Poir.
  47. Variety Carex canescens var. vulgaris L.H.Bailey accepted as Carex brunnescens subsp. sphaerostachya (Tuck.) Kalela
  48. Subspecies Carex canescens subsp. brevispiculata Charit. (uncertain > unassessed)
  49. Subspecies Carex canescens subsp. hylaea (V.I.Krecz.) R.Knapp (uncertain > unassessed)
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
note: page 974 [details] 
Description Perennials. loosely tufted, with short rhizomes. Stems erect, trigonous, scabrous above, 25–50 cm tall. Leaves shorter...  
Description Perennials. loosely tufted, with short rhizomes. Stems erect, trigonous, scabrous above, 25–50 cm tall. Leaves shorter than stem, 2–3 mm wide, margins scabrous. Basal sheaths pale brown to brown, bladeless. Involucral bracts scalelike, proximal ones sometimes setaceous. Inflorescences spikes 4–8, sessile, gynaeandrous, ovate-oblong, 6–10 mm long, 3–4 mm wide, upper spikes congested, lower ones remote. Staminate scales pale green, apex acute. Pistillate scales pale green, ca. 2 mm long, apex acute. Perigynia slightly longer than pistillate scales, ovate or elliptic, plano-convex, 2–2.2 mm long, ca. 1.2 mm wide, 5–12-veined on both faces, apex abruptly contracted into a slightly scabrous short beak, mouth emarginate. Achenes elliptic or ovate, plano-convex, ca. 1.5 mm long. Stigmas 2. [details]

Taxonomic remark Source in seed data: wcs Update namepublishedIn from Sp. Pl. 974 1753 to Sp. Pl. : 974 (1753), information provided by...  
Taxonomic remark Source in seed data: wcs Update namepublishedIn from Sp. Pl. 974 1753 to Sp. Pl. : 974 (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 canescens L.. Accessed at: https://cyperaceae.org/aphia.php?p=taxdetails&id=1678231 on 2025-09-12
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
note: page 974 [details] 

basis of record Plants of the World Online (POWO). , available online at https://powo.science.kew.org/ [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=54 [details]

Additional information 2n=62 [details]

Additional information 2n=66 [details]

Additional information 2n=56 [details]

Description Perennials. loosely tufted, with short rhizomes. Stems erect, trigonous, scabrous above, 25–50 cm tall. Leaves shorter than stem, 2–3 mm wide, margins scabrous. Basal sheaths pale brown to brown, bladeless. Involucral bracts scalelike, proximal ones sometimes setaceous. Inflorescences spikes 4–8, sessile, gynaeandrous, ovate-oblong, 6–10 mm long, 3–4 mm wide, upper spikes congested, lower ones remote. Staminate scales pale green, apex acute. Pistillate scales pale green, ca. 2 mm long, apex acute. Perigynia slightly longer than pistillate scales, ovate or elliptic, plano-convex, 2–2.2 mm long, ca. 1.2 mm wide, 5–12-veined on both faces, apex abruptly contracted into a slightly scabrous short beak, mouth emarginate. Achenes elliptic or ovate, plano-convex, ca. 1.5 mm long. Stigmas 2. [details]

Taxonomic remark Source in seed data: wcs Update namepublishedIn from Sp. Pl. 974 1753 to Sp. Pl. : 974 (1753), information provided by Alan E. on email Jun. 07 2021 More details could be found in The Plant L [details]
LanguageName 
Japanese ハクサンスゲ(Hakusan-suge)  [details]