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Cyperaceae taxon details

Scirpus polyphyllus Vahl

1681605 (urn:lsid:marinespecies.org:taxname:1681605)

  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. Cyperoideae (Subfamily)
  12. Scirpeae (Tribe)
  13. Scirpus (Genus)
  14. Scirpus polyphyllus (Species)
accepted
Species
Scirpus Tourn. ex L.

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terrestrial
Vahl, M. (1805). Enumeratio plantarum, vel ab alium vel ab ipso observatum, cum earum differentiis specificis, synonymis selectis et descriptionibus succinctis. vol. II, pp. 1-423., available online at https://www.biodiversitylibrary.org/page/7352986#page/9/mode/1up
page(s): 274 [details] OpenAccess publication
Holotype  C 10010640, geounit North America  
Holotype C 10010640, geounit North America [details]
Description Plants cespitose; rhizomes short, tough, fibrous. Culms: fertile ones erect or reclining; nodes sometimes with axillary...  
Description Plants cespitose; rhizomes short, tough, fibrous. Culms: fertile ones erect or reclining; nodes sometimes with axillary bulblets. Leaves 14–22(–26) per culm; sheaths of proximal leaves green or brownish; proximal sheaths and blades with septa usually few, inconspicuous; blades 16–31 cm × 5–8 mm. Inflorescences terminal, rarely also with 1 lateral inflorescence from distal leaf axil; rays divaricate, smooth throughout or scabrous distally, rays usually with axillary bulblets; bases of involucral bracts green, not glutinous. Spikelets in dense clusters of 3–9 (largest cluster with 6 or more), spikelets sessile, broadly ovoid, 2.5–4 × 1.6–3 mm; scales reddish brown with green midribs, circular or nearly so, 1–1.5 mm, apex mucronate or occasionally short-awned, mucro or awn 0.2–0.3 mm. Flowers: perianth bristles persistent, 6, stout, contorted, much longer than achene and projecting beyond it, retrorsely barbed in distal 1/2, exserted from scales at maturity; styles 3-fid. Achenes pale brown, obovate or nearly obtriangular in outline, plumply trigonous or plano-convex, 1.1–1.4(–1.8) × 0.8–1 mm. 2n = 58. [details]

Taxonomic remark Source in seed data: wcs Update namepublishedIn from Enum. Pl. Obs. 2: 274 1805 to Enum. Pl. Obs. 2: 274 (1805),...  
Taxonomic remark Source in seed data: wcs Update namepublishedIn from Enum. Pl. Obs. 2: 274 1805 to Enum. Pl. Obs. 2: 274 (1805), information provided by Alan E. on email Jun. 07 2021 More details could be found in [details]
Cyperaceae Working Group. (2025). [see How to cite]. Global Cyperaceae Database. Scirpus polyphyllus Vahl. Accessed at: https://cyperaceae.org/aphia.php?p=taxdetails&id=1681605 on 2026-10-04
Date
action
by
2023-09-06 07:35:01Z
created
Larridon, Isabel
2024-12-10 11:47:54Z
unchecked
db_admin
2025-12-16 08:30:22Z
checked
Marco Rosado, Nuria

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


Nomenclature

original description Vahl, M. (1805). Enumeratio plantarum, vel ab alium vel ab ipso observatum, cum earum differentiis specificis, synonymis selectis et descriptionibus succinctis. vol. II, pp. 1-423., available online at https://www.biodiversitylibrary.org/page/7352986#page/9/mode/1up
page(s): 274 [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 
   

Holotype C 10010640, geounit North America [details]
From editor or global species database
Description Plants cespitose; rhizomes short, tough, fibrous. Culms: fertile ones erect or reclining; nodes sometimes with axillary bulblets. Leaves 14–22(–26) per culm; sheaths of proximal leaves green or brownish; proximal sheaths and blades with septa usually few, inconspicuous; blades 16–31 cm × 5–8 mm. Inflorescences terminal, rarely also with 1 lateral inflorescence from distal leaf axil; rays divaricate, smooth throughout or scabrous distally, rays usually with axillary bulblets; bases of involucral bracts green, not glutinous. Spikelets in dense clusters of 3–9 (largest cluster with 6 or more), spikelets sessile, broadly ovoid, 2.5–4 × 1.6–3 mm; scales reddish brown with green midribs, circular or nearly so, 1–1.5 mm, apex mucronate or occasionally short-awned, mucro or awn 0.2–0.3 mm. Flowers: perianth bristles persistent, 6, stout, contorted, much longer than achene and projecting beyond it, retrorsely barbed in distal 1/2, exserted from scales at maturity; styles 3-fid. Achenes pale brown, obovate or nearly obtriangular in outline, plumply trigonous or plano-convex, 1.1–1.4(–1.8) × 0.8–1 mm. 2n = 58. [details]

Taxonomic remark Source in seed data: wcs Update namepublishedIn from Enum. Pl. Obs. 2: 274 1805 to Enum. Pl. Obs. 2: 274 (1805), 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 (14 publications) (from synonym Scirpus exaltatus Pursh)
To Biodiversity Heritage Library (146 publications) (from synonym Rhynchospora cymosa (Willd.) Muhl. ex Elliott)
To Biodiversity Heritage Library (17 publications) (from synonym Scirpus cymosus (Willd.) Spreng.)
To Biodiversity Heritage Library (17 publications) (from synonym Scirpus cymosus Willd.)
To Biodiversity Heritage Library (2 publications) (from synonym Phaeocephalum cymosum (Willd.) House)
To Biodiversity Heritage Library (204 publications) 
To Biodiversity Heritage Library (3 publications) (from synonym Dichromena cymosa (Willd.) J.F.Macbr.)
To Biodiversity Heritage Library (3 publications) (from synonym Holoschoenus brunneus (Muhl.) Steud.)
To Biodiversity Heritage Library (30 publications) (from synonym Scirpus brunneus Muhl.)
To Biodiversity Heritage Library (39 publications) (from synonym Schoenus cymosus Willd.)
To Biodiversity Heritage Library (543 publications) (from synonym Scirpus americanus (Boeck.) T.Koyama)
To Biodiversity Heritage Library (6 publications) (from synonym Scirpus polyphyllus var. macrostachys Boeckeler)
To European Nucleotide Archive, ENA (Scirpus polyphyllus) 
To GenBank (2 nucleotides; 2 proteins) 
To International Plant Names Index (IPNI) 
To International Plant Names Index (IPNI) (from synonym Scirpus brunneus var. viviparus (Pursh) Torr.)
To International Plant Names Index (IPNI) (from synonym Scirpus polyphyllus f. macrostachys (Boeckeler) Fernald)
To International Plant Names Index (IPNI) (from synonym Scirpus polyphyllus f. viviparus (Pursh) Beetle)
To International Plant Names Index (IPNI) (from synonym Scirpus polyphyllus var. macrostachys Boeckeler)
To International Plant Names Index (IPNI) (from synonym Scirpus exaltatus var. viviparus Pursh)
To International Plant Names Index (IPNI) (from synonym Scirpus exaltatus Pursh)
To International Plant Names Index (IPNI) (from synonym Scirpus cymosus (Willd.) Spreng.)
To International Plant Names Index (IPNI) (from synonym Scirpus brunneus Muhl.)
To International Plant Names Index (IPNI) (from synonym Rhynchospora cymosa (Willd.) Muhl. ex Elliott)
To International Plant Names Index (IPNI) (from synonym Phaeocephalum cymosum (Willd.) House)
To International Plant Names Index (IPNI) (from synonym Holoschoenus brunneus (Muhl.) Steud.)
To International Plant Names Index (IPNI) (from synonym Dichromena cymosa (Willd.) J.F.Macbr.)
To International Plant Names Index (IPNI) (from synonym Schoenus cymosus Willd.)
To International Plant Names Index (IPNI) (from synonym Scirpus brunneus var. crispus Torr.)
To Plants of the World Online (from synonym Scirpus brunneus var. crispus Torr.)
To Plants of the World Online (from synonym Dichromena cymosa (Willd.) J.F.Macbr.)
To Plants of the World Online (from synonym Scirpus brunneus Muhl.)
To Plants of the World Online (from synonym Scirpus cymosus (Willd.) Spreng.)
To Plants of the World Online (from synonym Scirpus exaltatus Pursh)
To Plants of the World Online (from synonym Phaeocephalum cymosum (Willd.) House)
To Plants of the World Online (from synonym Holoschoenus brunneus (Muhl.) Steud.)
To Plants of the World Online (from synonym Rhynchospora cymosa (Willd.) Muhl. ex Elliott)
To Plants of the World Online (from synonym Schoenus cymosus Willd.)
To Plants of the World Online (from synonym Scirpus exaltatus var. viviparus Pursh)
To Plants of the World Online (from synonym Scirpus brunneus var. viviparus (Pursh) Torr.)
To Plants of the World Online (from synonym Scirpus polyphyllus var. macrostachys Boeckeler)
To Plants of the World Online (from synonym Scirpus polyphyllus f. viviparus (Pursh) Beetle)
To Plants of the World Online (from synonym Scirpus polyphyllus f. macrostachys (Boeckeler) Fernald)
To Plants of the World Online 
To The Plant List (from synonym Scirpus polyphyllus f. polyphyllus Vahl)
To The Plant List (from synonym Scirpus cymosus Willd.)
To The Plant List (from synonym Scirpus americanus (Boeck.) T.Koyama)
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