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Cyperaceae taxon details

Carex foenea Willd.

To New York Botanical Garden Steere Herbarium (Carex_aenea_NY25093_type_1)
To New York Botanical Garden Steere Herbarium (Carex_aenea_NY25093_type_1)

1677738  (urn:lsid:marinespecies.org:taxname:1677738)

  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. Cyperoideae (Section)
  15. Carex foenea (Species)
accepted
Species
terrestrial
(1809). Enum. Pl. [Willdenow] 2
page(s): 957 [details] 
Description Plants densely cespitose. Culms 20–120 cm. Leaves: sheaths adaxially white-hyaline or green-and-white mottled, papillose,...  
Description Plants densely cespitose. Culms 20–120 cm. Leaves: sheaths adaxially white-hyaline or green-and-white mottled, papillose, summits U-shaped, shortly prolonged beyond collar; distal ligules 2–3 mm; blades 3–6 per fertile culm, green, without auricles, 8–30 cm × 2–4 mm, pliable. Inflorescences open, usually with widely spaced spikes, flexible, brown or greenish brown, 1.5–8 cm × 7–15 mm; proximal internode 5–25 mm; 2d internode 4–12 mm; proximal bracts scalelike, sometimes bristlelike to 1 cm. Spikes 3–7(–11), usually distant, oblong to ellipsoid, 7–25 × 5–7 mm, base clavate to attenuate, apex usually rounded. Pistillate scales usually reddish brown, or green or gold in shade forms, with 3-veined green or brown midstripe, ovate, 4–5 mm, equaling, ± covering perigynia, apex acute to acuminate. Perigynia erect-ascending, green or brown, conspicuously 4–9-veined abaxially, veinless or conspicuously unequally 4–8-veined adaxially, ovate, plano-convex or concavo-convex, 3.3–5 × (1.5–)1.7–2.5 mm, 0.6–0.8 mm thick, margin flat, including wing 0.2–0.4 mm wide, smooth or ciliate-serrulate at least on distal body; beak white or brown, white margin at tip, flat, ± ciliate-serrulate, abaxial suture inconspicuous or with white margin, distance from beak tip to achene (1.4–)1.7–2.5 mm. Achenes dark brown at maturity, ovoid-orbicular, 1.3–2.1 × 1.2–1.7 mm, 0.5–0.6 mm thick, 1–1.4(–1.5) times as long as wide. 2n = 82, 84. [details]

Taxonomic remark Source in seed data: wcs Update namepublishedIn from Enum. Pl. 2: 957 1809 to Enum. Pl. 2: 957 (1809), information...  
Taxonomic remark Source in seed data: wcs Update namepublishedIn from Enum. Pl. 2: 957 1809 to Enum. Pl. 2: 957 (1809), information provided by Alan E. on email Jun. 07 2021 More details could be found in The [details]
Cyperaceae Working Group. (2025). [see How to cite]. Global Cyperaceae Database. Carex foenea Willd.. Accessed at: https://cyperaceae.org/aphia.php?p=taxdetails&id=1677738 on 2025-09-12
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

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


Nomenclature

original description (1809). Enum. Pl. [Willdenow] 2
page(s): 957 [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 (of Carex aenea Fernald) NY 25093, geounit New Brunswick [details]
From editor or global species database
Description Plants densely cespitose. Culms 20–120 cm. Leaves: sheaths adaxially white-hyaline or green-and-white mottled, papillose, summits U-shaped, shortly prolonged beyond collar; distal ligules 2–3 mm; blades 3–6 per fertile culm, green, without auricles, 8–30 cm × 2–4 mm, pliable. Inflorescences open, usually with widely spaced spikes, flexible, brown or greenish brown, 1.5–8 cm × 7–15 mm; proximal internode 5–25 mm; 2d internode 4–12 mm; proximal bracts scalelike, sometimes bristlelike to 1 cm. Spikes 3–7(–11), usually distant, oblong to ellipsoid, 7–25 × 5–7 mm, base clavate to attenuate, apex usually rounded. Pistillate scales usually reddish brown, or green or gold in shade forms, with 3-veined green or brown midstripe, ovate, 4–5 mm, equaling, ± covering perigynia, apex acute to acuminate. Perigynia erect-ascending, green or brown, conspicuously 4–9-veined abaxially, veinless or conspicuously unequally 4–8-veined adaxially, ovate, plano-convex or concavo-convex, 3.3–5 × (1.5–)1.7–2.5 mm, 0.6–0.8 mm thick, margin flat, including wing 0.2–0.4 mm wide, smooth or ciliate-serrulate at least on distal body; beak white or brown, white margin at tip, flat, ± ciliate-serrulate, abaxial suture inconspicuous or with white margin, distance from beak tip to achene (1.4–)1.7–2.5 mm. Achenes dark brown at maturity, ovoid-orbicular, 1.3–2.1 × 1.2–1.7 mm, 0.5–0.6 mm thick, 1–1.4(–1.5) times as long as wide. 2n = 82, 84. [details]

Taxonomic remark Source in seed data: wcs Update namepublishedIn from Enum. Pl. 2: 957 1809 to Enum. Pl. 2: 957 (1809), information provided by Alan E. on email Jun. 07 2021 More details could be found in The [details]
To Biodiversity Heritage Library (1 publication) (from synonym Vignea foenea (Willd.) Rchb.)
To Biodiversity Heritage Library (1 publication) (from synonym Carex foenea var. aenea (Fernald) Kük.)
To Biodiversity Heritage Library (215 publications) 
To Biodiversity Heritage Library (95 publications) (from synonym Carex aenea Fernald)
To European Nucleotide Archive, ENA (Carex foenea) 
To International Plant Names Index (IPNI) 
To International Plant Names Index (IPNI) (from synonym Vignea foenea (Willd.) Rchb.)
To International Plant Names Index (IPNI) (from synonym Carex aenea Fernald)
To International Plant Names Index (IPNI) (from synonym Carex argyrantha var. aenea (Fernald) B.Boivin)
To International Plant Names Index (IPNI) (from synonym Carex aenea f. extrapolata Butters & Abbe)
To International Plant Names Index (IPNI) (from synonym Carex foenea var. aenea (Fernald) Kük.)
To International Plant Names Index (IPNI) (from synonym Carex aenea f. flumini-regalis Butters & Abbe)
To New York Botanical Garden Steere Herbarium (Carex_aenea_NY25093_type_1) (from synonym Carex aenea Fernald)
To New York Botanical Garden Steere Herbarium (Carex_aenea_NY25094_type_1) (from synonym Carex aenea Fernald)
To Plants of the World Online (from synonym Carex argyrantha var. aenea (Fernald) B.Boivin)
To Plants of the World Online (from synonym Carex aenea Fernald)
To Plants of the World Online 
To Plants of the World Online (from synonym Vignea foenea (Willd.) Rchb.)
To Plants of the World Online (from synonym Carex aenea f. flumini-regalis Butters & Abbe)
To Plants of the World Online (from synonym Carex foenea var. aenea (Fernald) Kük.)
To Plants of the World Online (from synonym Carex aenea f. extrapolata Butters & Abbe)
To Royal Botanic Gardens, Kew (Carex foenea K000907717 type 1) 
To Royal Botanic Gardens, Kew (Carex foenea K000907718 type 1) 
To Royal Botanic Gardens, Kew (Carex foenea K000907719 type 1) 
To University of Minnesota Herbarium (Carex aenea f. extrapolata MIN538785 holotype 1) (from synonym Carex aenea f. extrapolata Butters & Abbe)
To University of Minnesota Herbarium (Carex aenea f. extrapolata MIN538786 isotype 1) (from synonym Carex aenea f. extrapolata Butters & Abbe)
To University of Minnesota Herbarium (Carex aenea f. flumini-regalis MIN538788 holotype 1) (from synonym Carex aenea f. flumini-regalis Butters & Abbe)
From editor or global species database
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