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Cyperaceae taxon details

Carex arctiformis Mack.

To New York Botanical Garden Steere Herbarium (Carex_arctiformis_NY25108_type_1)
To New York Botanical Garden Steere Herbarium (Carex_arctiformis_NY25108_type_1)

1677221  (urn:lsid:marinespecies.org:taxname:1677221)

  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. Vignea (Subgenus)
  14. Carex sect. Glareosae (Section)
  15. Carex arctiformis (Species)
accepted
Species
terrestrial
New York Botanical Garden. (1931). North American Flora. 18 (2).
note: pag. 97 [details] 
Description Plants densely cespitose, in large clumps; rhizomes short. Culms erect, strict, stoutish (2.5–4 mm at base),...  
Description Plants densely cespitose, in large clumps; rhizomes short. Culms erect, strict, stoutish (2.5–4 mm at base), (15–)20–50 cm. Leaves: sheaths pale brown abaxially, inner band hyaline, concave at summit; ligules slightly longer than wide, acutish; blades pale gray-green to bluish green, flat, 10–30 cm × 2–4 mm, subequal to shorter than culms. Inflorescences 1.5–3(–4) cm × 8–14 mm; proximal bracts shorter than to exceeding spikes; distal bracts scalelike. Spikes 3–6, gynecandrous, closely approximate, proximal spikes only slightly separate, containing 15–30 perigynia, ovoid to short-oblong, 6–10 × 4–6 mm; terminal spike staminate for less than 1/2 of length, not or scarcely clavate. Pistillate scales dull green-white, often red-brown tinged, midvein green, margins white-hyaline, ovate, subequal to somewhat concealing perigynia, apex cuspidate to acute. Perigynia appressed-ascending, gray-green, sometimes dark brown in age, obscurely many-veined faces, ovate-elliptic, 2.5–3 × 1.5 mm, widest near middle, membranous; beak nearly entire or few marginal teeth. Achenes yellow-brown, oblong-obovate, 1.5 × 1–1.25 mm, dull to slightly glossy. 2n = 56. [details]

Taxonomic remark Source in seed data: wcs Update namepublishedIn from N. Amer. Fl. 18: 97 1931 to N. Amer. Fl. 18: 97 (1931), information...  
Taxonomic remark Source in seed data: wcs Update namepublishedIn from N. Amer. Fl. 18: 97 1931 to N. Amer. Fl. 18: 97 (1931), 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 arctiformis Mack.. Accessed at: https://cyperaceae.org/aphia.php?p=taxdetails&id=1677221 on 2025-09-14
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 New York Botanical Garden. (1931). North American Flora. 18 (2).
note: pag. 97 [details] 

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

 
 Present  Inaccurate  Introduced: alien  Containing type locality 
   

Syntype NY 00025108, geounit British Columbia [details]
From editor or global species database
Description Plants densely cespitose, in large clumps; rhizomes short. Culms erect, strict, stoutish (2.5–4 mm at base), (15–)20–50 cm. Leaves: sheaths pale brown abaxially, inner band hyaline, concave at summit; ligules slightly longer than wide, acutish; blades pale gray-green to bluish green, flat, 10–30 cm × 2–4 mm, subequal to shorter than culms. Inflorescences 1.5–3(–4) cm × 8–14 mm; proximal bracts shorter than to exceeding spikes; distal bracts scalelike. Spikes 3–6, gynecandrous, closely approximate, proximal spikes only slightly separate, containing 15–30 perigynia, ovoid to short-oblong, 6–10 × 4–6 mm; terminal spike staminate for less than 1/2 of length, not or scarcely clavate. Pistillate scales dull green-white, often red-brown tinged, midvein green, margins white-hyaline, ovate, subequal to somewhat concealing perigynia, apex cuspidate to acute. Perigynia appressed-ascending, gray-green, sometimes dark brown in age, obscurely many-veined faces, ovate-elliptic, 2.5–3 × 1.5 mm, widest near middle, membranous; beak nearly entire or few marginal teeth. Achenes yellow-brown, oblong-obovate, 1.5 × 1–1.25 mm, dull to slightly glossy. 2n = 56. [details]

Taxonomic remark Source in seed data: wcs Update namepublishedIn from N. Amer. Fl. 18: 97 1931 to N. Amer. Fl. 18: 97 (1931), information provided by Alan E. on email Jun. 07 2021 More details could be found in [details]
To Biodiversity Heritage Library (1 publication) 
To European Nucleotide Archive, ENA (Carex arctiformis) 
To GenBank (15 nucleotides; 6 proteins) 
To International Plant Names Index (IPNI) 
To International Plant Names Index (IPNI) (from synonym Carex canescens subsp. arctiformis (Mack.) Calder & Roy L.Taylor)
To International Plant Names Index (IPNI) (from synonym Carex heleonastes var. robustior Kük.)
To International Plant Names Index (IPNI) (from synonym Carex cinerea var. robustior (Kük.) B.Boivin)
To IUCN Red List (Least Concern) 
To New York Botanical Garden Steere Herbarium (Carex_arctiformis_NY25108_type_1) 
To Plants of the World Online (from synonym Carex canescens subsp. arctiformis (Mack.) Calder & Roy L.Taylor)
To Plants of the World Online 
To Plants of the World Online (from synonym Carex cinerea var. robustior (Kük.) B.Boivin)
To Plants of the World Online (from synonym Carex heleonastes var. robustior Kük.)
From editor or global species database
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