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Cyperaceae taxon details

Schoenoplectus acutus (Muhl. ex Bigelow) Á.Löve & D.Löve

1672912  (urn:lsid:marinespecies.org:taxname:1672912)

  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. Schoenoplectieae (Tribe)
  12. Schoenoplectus (Genus)
  13. Schoenoplectus acutus (Species)
accepted
Species

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marine, brackish, fresh, terrestrial
(of Scirpus acutus Muhl. ex Bigelow) Bigelow, J. (1814). A collection of plants of Boston and its environs, with their generic and specific characters, synonyms, descriptions, places of growth, and time of flowering, and occasional remarks. <em>Florula Bostoniensis.</em>
page(s): 15 [details] OpenAccess publication
Lectotype  (of Scirpus acutus Muhl. ex Bigelow) PH 00031345  
Lectotype (of Scirpus acutus Muhl. ex Bigelow) PH 00031345 [details]
Description  Rhizomes 5–15 mm diam. Culms cylindric, 1–4 m × 2–10 mm. Leaves 3–4, all basal; sheaths often dark reddish...  
Description  Rhizomes 5–15 mm diam. Culms cylindric, 1–4 m × 2–10 mm. Leaves 3–4, all basal; sheaths often dark reddish proximally, front membranous-translucent and splitting, orifice adaxially deeply V-shaped; blades 1–2, C-shaped to dorsiventrally flat in cross section, usually much shorter than sheath, distal blade 8–120 × 3–7 mm, margins often scabridulous. Inflorescences 2(–3) times branched, open or compact, branches 6(–18) cm; proximal bract usually erect, thickly C-shaped in cross section, 1–9 cm, margins sometimes scabridulous. Spikelets 3–190, solitary or in clusters of 2–8, never all solitary; scales reddish to orange-brown to straw-colored, often variable on same scale, usually wholly or partly straw-colored and prominently lineolate-spotted at 10X, scale or midrib often green when young, ovate, 3–4 × 2–3 mm, sparsely to often densely reddish or straw-colored spinulose-papillose distally or on most of surface, margins ciliate, hairs long, contorted, flanks veinless, apex acute to obtuse, notch 0.3–0.5 mm deep, awn on at least some scales in spikelet usually strongly contorted, 0.5–2 mm (often broken off). Flowers: perianth members (4–)6(–8), brown, bristlelike, equaling achene body or sometimes much shorter, rarely rudimentary, spinulose; anthers 2 mm; styles 2(–3)-fid. Achenes dark gray-brown, plano-convex or rarely weakly trigonous, obovoid, (1.5–)2–3 1.2–1.7 mm; beak 0.2–0.4 mm. [details]

Taxonomic remark Source in seed data: wcs Updated namepublishedIn from Bull. Torrey Bot. Club 81: 33 1954 to Bull. Torrey Bot. Club 81(1):...  
Taxonomic remark Source in seed data: wcs Updated namepublishedIn from Bull. Torrey Bot. Club 81: 33 1954 to Bull. Torrey Bot. Club 81(1): 33. 1954 [18 Feb 1954] , information provided by Alan E. on email Oct. 12 2020 More details could be found in [details]
Cyperaceae Working Group. (2025). [see How to cite]. Global Cyperaceae Database. Schoenoplectus acutus (Muhl. ex Bigelow) Á.Löve & D.Löve. Accessed at: https://cyperaceae.org/aphia.php?p=taxdetails&id=1672912 on 2025-09-12
Date
action
by
2023-08-09 14:05:44Z
created
db_admin
2023-09-05 09:21:54Z
checked
Larridon, Isabel
2024-12-10 11:47:54Z
unchecked
db_admin

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


Nomenclature

original description (of Scirpus acutus Muhl. ex Bigelow) Bigelow, J. (1814). A collection of plants of Boston and its environs, with their generic and specific characters, synonyms, descriptions, places of growth, and time of flowering, and occasional remarks. <em>Florula Bostoniensis.</em>
page(s): 15 [details] OpenAccess publication

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 
   

Lectotype (of Scirpus acutus Muhl. ex Bigelow) PH 00031345 [details]
From editor or global species database
Description  Rhizomes 5–15 mm diam. Culms cylindric, 1–4 m × 2–10 mm. Leaves 3–4, all basal; sheaths often dark reddish proximally, front membranous-translucent and splitting, orifice adaxially deeply V-shaped; blades 1–2, C-shaped to dorsiventrally flat in cross section, usually much shorter than sheath, distal blade 8–120 × 3–7 mm, margins often scabridulous. Inflorescences 2(–3) times branched, open or compact, branches 6(–18) cm; proximal bract usually erect, thickly C-shaped in cross section, 1–9 cm, margins sometimes scabridulous. Spikelets 3–190, solitary or in clusters of 2–8, never all solitary; scales reddish to orange-brown to straw-colored, often variable on same scale, usually wholly or partly straw-colored and prominently lineolate-spotted at 10X, scale or midrib often green when young, ovate, 3–4 × 2–3 mm, sparsely to often densely reddish or straw-colored spinulose-papillose distally or on most of surface, margins ciliate, hairs long, contorted, flanks veinless, apex acute to obtuse, notch 0.3–0.5 mm deep, awn on at least some scales in spikelet usually strongly contorted, 0.5–2 mm (often broken off). Flowers: perianth members (4–)6(–8), brown, bristlelike, equaling achene body or sometimes much shorter, rarely rudimentary, spinulose; anthers 2 mm; styles 2(–3)-fid. Achenes dark gray-brown, plano-convex or rarely weakly trigonous, obovoid, (1.5–)2–3 1.2–1.7 mm; beak 0.2–0.4 mm. [details]

Taxonomic remark Source in seed data: wcs Updated namepublishedIn from Bull. Torrey Bot. Club 81: 33 1954 to Bull. Torrey Bot. Club 81(1): 33. 1954 [18 Feb 1954] , information provided by Alan E. on email Oct. 12 2020 More details could be found in [details]
    Definitions

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To Biodiversity Heritage Library (327 publications) (from synonym Scirpus acutus Muhl. ex Bigelow)
To Biodiversity Heritage Library (54 publications) 
To European Nucleotide Archive, ENA (Schoenoplectus acutus) 
To GenBank (12 nucleotides; 11 proteins) 
To International Plant Names Index (IPNI) 
To International Plant Names Index (IPNI) (from synonym Scirpus acutus Muhl. ex Bigelow)
To International Plant Names Index (IPNI) (from synonym Schoenoplectus lacustris subsp. acutus (Muhl. ex Bigelow) Á.Löve & D.Löve)
To IRMNG 
To IRMNG (from synonym Scirpus acutus Muhl. ex Bigelow)
To IUCN Red List (Least Concern) 
To Plants of the World Online (from synonym Scirpus acutus Muhl. ex Bigelow)
To Plants of the World Online 
To Plants of the World Online (from synonym Schoenoplectus lacustris subsp. acutus (Muhl. ex Bigelow) Á.Löve & D.Löve)
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