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Cyperaceae taxon details

Carex deflexa Hornem.

To LE Herbarium (Carex deflexa LE00010223 type 1)
To LE Herbarium (Carex deflexa LE00010223 type 1)

1676805  (urn:lsid:marinespecies.org:taxname:1676805)

  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. Acrocystis (Section)
  15. Carex deflexa (Species)
accepted
Species

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terrestrial
Oeder,G.C (1764). Flora Danica. Icones plantarum sponte nascentium in regnis Danicae et Norvegiae, in ducatibus Slesvici et Holsatiae et in comitatibus Oldenburgi et Delmenhorstiae, etc., 9 vols.: 27 Fasc.
page(s): 3051 [details] 
Description Plants usually loosely cespitose; rhizomes spreading to erect, purplish brown to reddish brown, 0–10 mm, slender. Culms...  
Description Plants usually loosely cespitose; rhizomes spreading to erect, purplish brown to reddish brown, 0–10 mm, slender. Culms arching to spreading, 5–31 cm, smooth or scabrous distally; bases (remnants of old leaves) weakly or not at all fibrous. Leaf blades pale green, shorter to longer than culms, 0.9–2.6(–3.2) mm wide, herbaceous, glabrous abaxially, scabrous adaxially. Inflorescences with both staminate and pistillate spikes; peduncles of basal spikes slender, elongate, erect; peduncles of distal spikes 0.6–4(–10) mm; proximal nonbasal bracts leaflike, equaling or exceeding inflorescences. Spikes: pistillate spikes 1–4 (basal spikes 0–2); cauline spikes overlapping, separated by less than 7 mm, with 4–15 perigynia; distal staminate spikes 3.1–11.3 × 0.7–2.7 mm. Scales: pistillate scales pale to dark reddish brown, with narrow to broad white margins, ovate, 2–2.8 × 1–1.8 mm, shorter than perigynia, apex obutse, acute, or acuminate (cuspidate on some basal spikes); staminate scales ovate, 2.4–4 × 1–1.9 mm, apex acute to acuminate. Anthers 1.2–2.5 mm. Perigynia yellowish green to grayish green, veinless, globose to obovoid, 2.3–3.1 × 1–1.4 mm, as long as or longer than wide; beak often bent, pale green, occasionally with reddish brown tinge, 0.4–0.8 mm, ciliate-serrulate, apical teeth 0.1–0.2 mm. Stigmas 3. Achenes brown, obovoid, obtusely trigonous in cross section, 1.3–1.6 × 1–1.4 mm. [details]

Taxonomic remark Source in seed data: wcs Update namepublishedIn from Fl. Dan. t. 3051 1883 to Fl. Dan. : t. 3051 (1883), information...  
Taxonomic remark Source in seed data: wcs Update namepublishedIn from Fl. Dan. t. 3051 1883 to Fl. Dan. : t. 3051 (1883), information provided by Alan E. on email Jun. 07 2021 More details could be found in T [details]
Cyperaceae Working Group. (2025). [see How to cite]. Global Cyperaceae Database. Carex deflexa Hornem.. Accessed at: https://cyperaceae.org/aphia.php?p=taxdetails&id=1676805 on 2025-09-13
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 Oeder,G.C (1764). Flora Danica. Icones plantarum sponte nascentium in regnis Danicae et Norvegiae, in ducatibus Slesvici et Holsatiae et in comitatibus Oldenburgi et Delmenhorstiae, etc., 9 vols.: 27 Fasc.
page(s): 3051 [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 
   

Isotype K 000907840, geounit Greenland [details]
Syntype LE 00010223 [details]
From editor or global species database
Description Plants usually loosely cespitose; rhizomes spreading to erect, purplish brown to reddish brown, 0–10 mm, slender. Culms arching to spreading, 5–31 cm, smooth or scabrous distally; bases (remnants of old leaves) weakly or not at all fibrous. Leaf blades pale green, shorter to longer than culms, 0.9–2.6(–3.2) mm wide, herbaceous, glabrous abaxially, scabrous adaxially. Inflorescences with both staminate and pistillate spikes; peduncles of basal spikes slender, elongate, erect; peduncles of distal spikes 0.6–4(–10) mm; proximal nonbasal bracts leaflike, equaling or exceeding inflorescences. Spikes: pistillate spikes 1–4 (basal spikes 0–2); cauline spikes overlapping, separated by less than 7 mm, with 4–15 perigynia; distal staminate spikes 3.1–11.3 × 0.7–2.7 mm. Scales: pistillate scales pale to dark reddish brown, with narrow to broad white margins, ovate, 2–2.8 × 1–1.8 mm, shorter than perigynia, apex obutse, acute, or acuminate (cuspidate on some basal spikes); staminate scales ovate, 2.4–4 × 1–1.9 mm, apex acute to acuminate. Anthers 1.2–2.5 mm. Perigynia yellowish green to grayish green, veinless, globose to obovoid, 2.3–3.1 × 1–1.4 mm, as long as or longer than wide; beak often bent, pale green, occasionally with reddish brown tinge, 0.4–0.8 mm, ciliate-serrulate, apical teeth 0.1–0.2 mm. Stigmas 3. Achenes brown, obovoid, obtusely trigonous in cross section, 1.3–1.6 × 1–1.4 mm. [details]

Taxonomic remark Source in seed data: wcs Update namepublishedIn from Fl. Dan. t. 3051 1883 to Fl. Dan. : t. 3051 (1883), information provided by Alan E. on email Jun. 07 2021 More details could be found in T [details]
To Biodiversity Heritage Library (141 publications) 
To European Nucleotide Archive, ENA (Carex deflexa) 
To GenBank (10 nucleotides; 6 proteins) 
To International Plant Names Index (IPNI) 
To International Plant Names Index (IPNI) (from synonym Carex pilulifera var. deflexa (Hornem.) Drejer)
To International Plant Names Index (IPNI) (from synonym Carex novae-angliae var. deflexa (Hornem.) L.H.Bailey)
To LE Herbarium (Carex deflexa LE00010223 type 1) 
To Plants of the World Online (from synonym Carex pilulifera var. deflexa (Hornem.) Drejer)
To Plants of the World Online 
To Plants of the World Online (from synonym Carex novae-angliae var. deflexa (Hornem.) L.H.Bailey)
To Royal Botanic Gardens, Kew (Carex deflexa K000907840 isotype 1) 
To Royal Botanic Gardens, Kew (Carex deflexa K000907843 type 1) 
From editor or global species database
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