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Cyperaceae taxon details

Carex dregeana Kunth

To Genève Herbarium (Carex dregeana G00195307 isolectotype 1)
To Genève Herbarium (Carex dregeana G00195307 isolectotype 1)

1695692  (urn:lsid:marinespecies.org:taxname:1695692)

  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. Psyllophorae (Subgenus)
  14. Carex sect. Schoenoxiphium (Section)
  15. Carex dregeana (Species)
accepted
Species

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terrestrial
Kunth, C. S. (1837). Enumeratio Plantarum Omnium Hucusque Cognitarum, Secundum Familias Naturales Disposita, Adjectis Characteribus, Differentiis et Synonymis. Vol 2. Cyperographia synoptica sive enumeratio Cyperacearum omnium hucusque cognitarum. Stuttgart: Germany., available online at https://www.biodiversitylibrary.org/page/7428301#page/9/mode/1up
page(s): 511 [details] 

(of Schoenoxiphium kunthianum Kük.) Kükenthal, G. (1909). Cyperaceae-Caricoidae. <em>Das Pflanzenreich: regni vegetabilis conspectus.</em> 38, 4(20)., available online at https://www.biodiversitylibrary.org/page/31618144
page(s): 31 [details] OpenAccess publication

(of Schoenoxiphium caricoides C.B.Clarke) Clarke, C. B. (1908). New genera and species of Cyperaceae. <em>Bulletin of miscellaneous information. Additional Series.</em> 8: 1-196., available online at https://www.biodiversitylibrary.org/item/104847
page(s): 67 [details] OpenAccess publication
Description Rhizome caespitose, with short internodes, moderately stout, dark-brown. Flowering culms (15)20–50(60) cm long, erect,...  
Description Rhizome caespitose, with short internodes, moderately stout, dark-brown. Flowering culms (15)20–50(60) cm long, erect, more or less acutely trigonous, smooth, leafy up to the lower two-thirds of its length, (0.5)0.8–1.2(1.6) mm wide at the middle. Leaves (0.9)1.5–3.2(3.5) mm wide, shorter than the inflorescence, moderately rigid, light green, flat to carinate or canaliculate in cross-section, scabrous along the edges and usually also along the abaxial midrib; adaxial surface smooth, sometimes very sparsely aculeate towards the apex, straight or, very rarely, curved to curled; ligule (0.6)0.8–5(8) mm long. Basal sheaths with lamina, densely fibrous. Lowest bract of the inflorescence leaf-like, shorter than the inflorescence length, usually much widened at the base and with scarious margin, as the remaining bracts, with a sheath (8)15–30(32) mm long. Inflorescence up to the upper ½ of the length of the culm, branching up to 3 times; partial inflorescences 3–5(7), erect, the 1–3 lowermost distant, pedunculate, the (2)3–4 uppermost overlapping, subsessile, rarely all subsessile and overlapping. Glumiform perigynia and glumiform cladoprophylls absent. Tubular cladoprophylls always present at the base of the peduncles, hyaline-brownish. Utriculiform cladoprophylls very rarely present. Male glumes (2)2.5–3.8(4.1) × (1)1.5–2.1(2.3) mm, ovate to elliptical, yellowish-brown, ending in an aculeate mucro or arista up to 1.3 mm long. Female glumes (2)2.5–4(5.2) × (1.2)1.7–2.6(2.8) mm, ovate to suborbicular, yellowish to yellowish-brown, ending in an aculeate mucro up to 3(4) mm long. Unisexual utricles (2.1)2.5–3.5(4) × 1.1–1.9 mm, ovate to ellipsoid, stipitate, straight, straw-coloured to yellowish-brown when mature, glabrous, smooth or, exceptionally, with some scattered pricklets, with numerous prominent veins across the entire surface, more or less suberect, abruptly contracted in a bidentate to irregularly truncate, smooth, minute beak up to 0.3 mm long; rachilla rudimentary to reaching up to ½(⅔) of the utricle. Bisexual utricles very rare, widely and obliquely truncate at the apex. Achenes 2–3(3.2) × 1–1.5(1.7) mm, ellipsoid-trigonous, dark brown when mature, tipped by a very short, obtusely trigonous, persistent style base. [details]

Taxonomic remark Source in seed data: wcs Update namepublishedIn from Enum. Pl. [Kunth] 2: 511. 1837 [1-6 May 1837] to Enum. Pl. 2: 511...  
Taxonomic remark Source in seed data: wcs Update namepublishedIn from Enum. Pl. [Kunth] 2: 511. 1837 [1-6 May 1837] to Enum. Pl. 2: 511 (1837), information provided by Alan E. on email Jun. 07 2021 More details could be found in [details]
Cyperaceae Working Group. (2026). [see How to cite]. Global Cyperaceae Database. Carex dregeana Kunth. Accessed at: https://cyperaceae.org/aphia.php?p=taxdetails&id=1695692 on 2026-05-08
Date
action
by
2023-09-06 09:29:14Z
created
Jiménez-Mejías, Pedro
2024-10-03 10:19:08Z
changed
Sanz Arnal, María
2025-02-06 08:30:02Z
changed
Márquez-Corro, José Ignacio
2026-05-06 07:15:18Z
changed
Jiménez-Mejías, Pedro

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


Nomenclature

original description Kunth, C. S. (1837). Enumeratio Plantarum Omnium Hucusque Cognitarum, Secundum Familias Naturales Disposita, Adjectis Characteribus, Differentiis et Synonymis. Vol 2. Cyperographia synoptica sive enumeratio Cyperacearum omnium hucusque cognitarum. Stuttgart: Germany., available online at https://www.biodiversitylibrary.org/page/7428301#page/9/mode/1up
page(s): 511 [details] 

original description (of Schoenoxiphium kunthianum Kük.) Kükenthal, G. (1909). Cyperaceae-Caricoidae. <em>Das Pflanzenreich: regni vegetabilis conspectus.</em> 38, 4(20)., available online at https://www.biodiversitylibrary.org/page/31618144
page(s): 31 [details] OpenAccess publication

original description (of Schoenoxiphium caricoides C.B.Clarke) Clarke, C. B. (1908). New genera and species of Cyperaceae. <em>Bulletin of miscellaneous information. Additional Series.</em> 8: 1-196., available online at https://www.biodiversitylibrary.org/item/104847
page(s): 67 [details] OpenAccess publication

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

Taxonomy

taxonomy source Luceño, M.; Villaverde, T.; Márquez-Corro, J. I.; Sánchez-Villegas, R.; Maguilla, E.; Escudero, M.; Jiménez-Mejías, P.; Sánchez-Villegas, M.; Miguez, M.; Benítez-Benítez, C.; Muasya, A. M.; Martín-Bravo, S. (2021). An integrative monograph of <i>Carex</i> section <i>Schoenoxiphium</i> (Cyperaceae). <em>PeerJ.</em> 9: e11336., available online at https://doi.org/10.7717/peerj.11336 [details] Available for editors  PDF available [request]

 
 Present  Inaccurate  Introduced: alien  Containing type locality 
   

Nontype BR 0000021165481, geounit Zambia [details]
From editor or global species database
Description Rhizome caespitose, with short internodes, moderately stout, dark-brown. Flowering culms (15)20–50(60) cm long, erect, more or less acutely trigonous, smooth, leafy up to the lower two-thirds of its length, (0.5)0.8–1.2(1.6) mm wide at the middle. Leaves (0.9)1.5–3.2(3.5) mm wide, shorter than the inflorescence, moderately rigid, light green, flat to carinate or canaliculate in cross-section, scabrous along the edges and usually also along the abaxial midrib; adaxial surface smooth, sometimes very sparsely aculeate towards the apex, straight or, very rarely, curved to curled; ligule (0.6)0.8–5(8) mm long. Basal sheaths with lamina, densely fibrous. Lowest bract of the inflorescence leaf-like, shorter than the inflorescence length, usually much widened at the base and with scarious margin, as the remaining bracts, with a sheath (8)15–30(32) mm long. Inflorescence up to the upper ½ of the length of the culm, branching up to 3 times; partial inflorescences 3–5(7), erect, the 1–3 lowermost distant, pedunculate, the (2)3–4 uppermost overlapping, subsessile, rarely all subsessile and overlapping. Glumiform perigynia and glumiform cladoprophylls absent. Tubular cladoprophylls always present at the base of the peduncles, hyaline-brownish. Utriculiform cladoprophylls very rarely present. Male glumes (2)2.5–3.8(4.1) × (1)1.5–2.1(2.3) mm, ovate to elliptical, yellowish-brown, ending in an aculeate mucro or arista up to 1.3 mm long. Female glumes (2)2.5–4(5.2) × (1.2)1.7–2.6(2.8) mm, ovate to suborbicular, yellowish to yellowish-brown, ending in an aculeate mucro up to 3(4) mm long. Unisexual utricles (2.1)2.5–3.5(4) × 1.1–1.9 mm, ovate to ellipsoid, stipitate, straight, straw-coloured to yellowish-brown when mature, glabrous, smooth or, exceptionally, with some scattered pricklets, with numerous prominent veins across the entire surface, more or less suberect, abruptly contracted in a bidentate to irregularly truncate, smooth, minute beak up to 0.3 mm long; rachilla rudimentary to reaching up to ½(⅔) of the utricle. Bisexual utricles very rare, widely and obliquely truncate at the apex. Achenes 2–3(3.2) × 1–1.5(1.7) mm, ellipsoid-trigonous, dark brown when mature, tipped by a very short, obtusely trigonous, persistent style base. [details]

Taxonomic remark Source in seed data: wcs Update namepublishedIn from Enum. Pl. [Kunth] 2: 511. 1837 [1-6 May 1837] to Enum. Pl. 2: 511 (1837), information provided by Alan E. on email Jun. 07 2021 More details could be found in [details]
    Definitions

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To Biodiversity Heritage Library (1 publication) (from synonym Kobresia kunthiana (Kük.) T.Koyama)
To Biodiversity Heritage Library (3 publications) (from synonym Schoenoxiphium kunthianum Kük.)
To Biodiversity Heritage Library (3 publications) (from synonym Schoenoxiphium caricoides C.B.Clarke)
To Biodiversity Heritage Library (4 publications) 
To GenBank (67 nucleotides; 9 proteins) (from synonym Schoenoxiphium caricoides C.B.Clarke)
To Genève Herbarium (Carex dregeana G00195307 isolectotype 1) 
To International Plant Names Index (IPNI) 
To International Plant Names Index (IPNI) (from synonym Schoenoxiphium kunthianum Kük.)
To International Plant Names Index (IPNI) (from synonym Schoenoxiphium caricoides C.B.Clarke)
To International Plant Names Index (IPNI) (from synonym Archaeocarex kunthiana (Kük.) Pissjauk.)
To International Plant Names Index (IPNI) (from synonym Kobresia kunthiana (Kük.) T.Koyama)
To LE Herbarium (Carex dregeana LE00010229 type 1) 
To New York Botanical Garden Steere Herbarium (Carex_dregeana_NY990922_type_1) 
To Plants of the World Online (from synonym Archaeocarex kunthiana (Kük.) Pissjauk.)
To Plants of the World Online (from synonym Kobresia kunthiana (Kük.) T.Koyama)
To Plants of the World Online (from synonym Schoenoxiphium caricoides C.B.Clarke)
To Plants of the World Online (from synonym Schoenoxiphium kunthianum Kük.)
To Plants of the World Online 
To Royal Botanic Garden Edinburgh Herbarium (Carex dregeana E00286064 isolectotype 1) 
To Royal Botanic Garden Edinburgh Herbarium (Schoenoxiphium caricoides E00286060 syntype 1) (from synonym Schoenoxiphium caricoides C.B.Clarke)
To Royal Botanic Garden Edinburgh Herbarium (Schoenoxiphium caricoides E00286062 syntype 1) (from synonym Schoenoxiphium caricoides C.B.Clarke)
From editor or global species database
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