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Cyperaceae taxon details

Carex esenbeckiana Boeckeler

1695695  (urn:lsid:marinespecies.org:taxname:1695695)

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terrestrial
Böckeler, O. (1876). Die Cyperaceen des königlichen Herbariums zu Berlin. <em>Linnaea.</em> 40(6): 327-452., available online at https://www.biodiversitylibrary.org/page/123532#page/329/mode/1up
page(s): 372 [details] 
Description Rhizome densely caespitose, with very short internodes, moderately stout, dark-brown. Flowering culms (10)40–70(90) cm...  
Description Rhizome densely caespitose, with very short internodes, moderately stout, dark-brown. Flowering culms (10)40–70(90) cm long, more or less acutely trigonous, smooth to slightly scabrous, leafy up to 1/10 (¼) of its length, (0.6)0.8–1.1(1.3) mm wide at the middle. Leaves (0.9)2–5(7) mm wide, shorter, more rarely equaling, than the inflorescence, soft to very slightly rigid, straight to scarcely curved at the apex, glaucous, flat, more rarely, scarcely canaliculate, carinate or plicate in cross-section, scabrous along the margins and the abaxial midrib to the apex, mainly in the upper half; adaxial surface smooth or somewhat aculeate; ligule (0.9)1.5–2.5(3.4) mm long. Basal sheaths with lamina, more rarely lowermost bladeless, moderately to densely fibrous. Lowest bract of the inflorescence leaf-like, shorter, rarely longer, than the inflorescence, with a sheath (7)15–30(44) mm long. Inflorescence up to the upper 85% of the length of the culm, branching up to 2(3) times; partial inflorescences (6)7–10(12), all distant and pedunculate, except the 2(3) uppermost, that are subsessile and overlapping; peduncles included in the sheaths or slightly protruding from it. Glumiform perigynia and glumiform cladoprophylls absent. Tubular cladoprophylls always present. Utriculiform cladoprophylls rarely present. Male glumes (1.7)2–3.5(3.9) × (0.6)1.5–2 mm, widely ovate to oblong, straw-coloured to yellowish-brown, with a green central band, acute to ending in an aculeate mucro up to 0.3(2) mm long. Female glumes (1.8)2–3.5(3.7) × (1)1.5–1.9(2.1) mm, ovate, straw-coloured to, more frequently, pale reddish brown, with a green central band, acute to ending in an aculeate mucro up to 3 mm long. Unisexual utricles (3.1)3.8–5.5(6) × (1)1.1–1.5(1.9) mm, widely ovoid to ellipsoid, long-stipitate, straight, more rarely slightly curved, straw-coloured to brownish when mature, smooth, with conspicuous prominent veins over the entire surface, suberect to erecto-patent, very abruptly contracted into a smooth, bidentate to irregularly truncate beak (0.7)1.3–2(2.3) mm long; rachilla reaching the apex of the utricle or, more frequently, protruding from it up to 0.5(1) mm. Bisexual utricles very rare, although occasionally predominant in some individuals, widely and obliquely truncate at the apex. Achenes (2.1)2.3–2.7(3) × (1.2)1.3–1.5(1.6) mm, ellipsoid-trigonous, more or less straw-coloured to brown when mature, tipped by a short, obtusely trigonous, distinctly neck-like, rarely asymmetric, persistent style base. [details]

Taxonomic remark Source in seed data: wcs Update namepublishedIn from Linnaea 40(5): 372. 1876 [Aug 1876] to Linnaea 40: 372 (1876),...  
Taxonomic remark Source in seed data: wcs Update namepublishedIn from Linnaea 40(5): 372. 1876 [Aug 1876] to Linnaea 40: 372 (1876), 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 esenbeckiana Boeckeler. Accessed at: https://cyperaceae.org/aphia.php?p=taxdetails&id=1695695 on 2026-06-07
Date
action
by
2023-09-06 09:29:14Z
created
2024-10-03 10:19:08Z
changed
2025-02-06 08:30:02Z
changed
2026-05-06 07:15:18Z
changed

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Nomenclature

original description Böckeler, O. (1876). Die Cyperaceen des königlichen Herbariums zu Berlin. <em>Linnaea.</em> 40(6): 327-452., available online at https://www.biodiversitylibrary.org/page/123532#page/329/mode/1up
page(s): 372 [details] 

original description (of Uncinia lehmannii Nees) Nees von Esenbeck, C.G.D. (1835). Cyperaceae Capenses Secundum Novissimas Ecklonii Collectiones. In: von Schlechtendal, D.F.L. (ed.), Linnaea: Journal für die Botanik in ihrem ganzen Umfange 10. Missouri Botanical Garden. pp. 129-207., available online at https://www.biodiversitylibrary.org/page/100011#page/134/mode/1up
page(s): 206 [details] 

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 
   

From editor or global species database
Description Rhizome densely caespitose, with very short internodes, moderately stout, dark-brown. Flowering culms (10)40–70(90) cm long, more or less acutely trigonous, smooth to slightly scabrous, leafy up to 1/10 (¼) of its length, (0.6)0.8–1.1(1.3) mm wide at the middle. Leaves (0.9)2–5(7) mm wide, shorter, more rarely equaling, than the inflorescence, soft to very slightly rigid, straight to scarcely curved at the apex, glaucous, flat, more rarely, scarcely canaliculate, carinate or plicate in cross-section, scabrous along the margins and the abaxial midrib to the apex, mainly in the upper half; adaxial surface smooth or somewhat aculeate; ligule (0.9)1.5–2.5(3.4) mm long. Basal sheaths with lamina, more rarely lowermost bladeless, moderately to densely fibrous. Lowest bract of the inflorescence leaf-like, shorter, rarely longer, than the inflorescence, with a sheath (7)15–30(44) mm long. Inflorescence up to the upper 85% of the length of the culm, branching up to 2(3) times; partial inflorescences (6)7–10(12), all distant and pedunculate, except the 2(3) uppermost, that are subsessile and overlapping; peduncles included in the sheaths or slightly protruding from it. Glumiform perigynia and glumiform cladoprophylls absent. Tubular cladoprophylls always present. Utriculiform cladoprophylls rarely present. Male glumes (1.7)2–3.5(3.9) × (0.6)1.5–2 mm, widely ovate to oblong, straw-coloured to yellowish-brown, with a green central band, acute to ending in an aculeate mucro up to 0.3(2) mm long. Female glumes (1.8)2–3.5(3.7) × (1)1.5–1.9(2.1) mm, ovate, straw-coloured to, more frequently, pale reddish brown, with a green central band, acute to ending in an aculeate mucro up to 3 mm long. Unisexual utricles (3.1)3.8–5.5(6) × (1)1.1–1.5(1.9) mm, widely ovoid to ellipsoid, long-stipitate, straight, more rarely slightly curved, straw-coloured to brownish when mature, smooth, with conspicuous prominent veins over the entire surface, suberect to erecto-patent, very abruptly contracted into a smooth, bidentate to irregularly truncate beak (0.7)1.3–2(2.3) mm long; rachilla reaching the apex of the utricle or, more frequently, protruding from it up to 0.5(1) mm. Bisexual utricles very rare, although occasionally predominant in some individuals, widely and obliquely truncate at the apex. Achenes (2.1)2.3–2.7(3) × (1.2)1.3–1.5(1.6) mm, ellipsoid-trigonous, more or less straw-coloured to brown when mature, tipped by a short, obtusely trigonous, distinctly neck-like, rarely asymmetric, persistent style base. [details]

Taxonomic remark Source in seed data: wcs Update namepublishedIn from Linnaea 40(5): 372. 1876 [Aug 1876] to Linnaea 40: 372 (1876), information provided by Alan E. on email Jun. 07 2021 More details could be found in [details]
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