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Cyperaceae taxon details

Cyperus alopecuroides Rottb.

1679199 (urn:lsid:marinespecies.org:taxname:1679199)

  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. Cypereae (Tribe)
  13. Cyperinae (Subtribe)
  14. Cyperus (Genus)
  15. Cyperus alopecuroides (Species)
accepted
Species
Cyperus L.

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terrestrial
Not documented
Description Herbs, perennial, rhizomatous, coarse. Culms trigonous, 150–250 cm × 2–15 mm, glabrous. Leaves inversely W-shaped,...  
Description Herbs, perennial, rhizomatous, coarse. Culms trigonous, 150–250 cm × 2–15 mm, glabrous. Leaves inversely W-shaped, 30–150 cm × 6–22 mm. Inflorescences: spikes 1–4, cylindric, 1.5–4 cm × 7–15 mm; rays 3–9, 10–26 cm; 2d order rays 2–11 cm; 3d order rays 1–4 cm (or absent); bracts 3–5, ± horizontal, 20–100 cm × 3–15 mm; 2d order bracts 2–7 cm × 2–7 mm; 3d order bracts 2–5 cm × 2–4 mm (or absent); rachilla persistent, wingless or wing hyaline, narrow, 0.1 mm wide. Spikelets 50–100, linear, ± quadrangular, slightly compressed, 8–11 × 0.9–1.2 mm; floral scales 15–30, marginally clear, laterally reddish along midrib, medially green, laterally 3–4 ribbed, medially 3–5-ribbed, ovate, 1–2–1.6 × 1.1–1.3 mm, apex mucronulate. Flowers: anthers 2, 0.4–0.5 mm; styles 0.8–1 mm; stigmas 2, 0.4 mm. Achenes dark brown, sessile, ellipsoid to obovoid, 0.9 × 0.4–0.5 mm, surfaces finely puncticulate. [details]

Taxonomic remark Source in seed data: wcs Updated namepublishedIn from Descr. Icon. Rar. Pl. 38 1773 to Descriptionum et Iconum Rariores et...  
Taxonomic remark Source in seed data: wcs Updated namepublishedIn from Descr. Icon. Rar. Pl. 38 1773 to Descriptionum et Iconum Rariores et pro maxima parte Novas Plantas 1773 , 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. Cyperus alopecuroides Rottb.. Accessed at: https://cyperaceae.org/aphia.php?p=taxdetails&id=1679199 on 2026-09-27
Date
action
by
2023-09-06 07:35:01Z
created
Larridon, Isabel
2024-12-10 11:47:54Z
unchecked
db_admin

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Nomenclature

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 
   

From editor or global species database
Description Herbs, perennial, rhizomatous, coarse. Culms trigonous, 150–250 cm × 2–15 mm, glabrous. Leaves inversely W-shaped, 30–150 cm × 6–22 mm. Inflorescences: spikes 1–4, cylindric, 1.5–4 cm × 7–15 mm; rays 3–9, 10–26 cm; 2d order rays 2–11 cm; 3d order rays 1–4 cm (or absent); bracts 3–5, ± horizontal, 20–100 cm × 3–15 mm; 2d order bracts 2–7 cm × 2–7 mm; 3d order bracts 2–5 cm × 2–4 mm (or absent); rachilla persistent, wingless or wing hyaline, narrow, 0.1 mm wide. Spikelets 50–100, linear, ± quadrangular, slightly compressed, 8–11 × 0.9–1.2 mm; floral scales 15–30, marginally clear, laterally reddish along midrib, medially green, laterally 3–4 ribbed, medially 3–5-ribbed, ovate, 1–2–1.6 × 1.1–1.3 mm, apex mucronulate. Flowers: anthers 2, 0.4–0.5 mm; styles 0.8–1 mm; stigmas 2, 0.4 mm. Achenes dark brown, sessile, ellipsoid to obovoid, 0.9 × 0.4–0.5 mm, surfaces finely puncticulate. [details]

Taxonomic remark Source in seed data: wcs Updated namepublishedIn from Descr. Icon. Rar. Pl. 38 1773 to Descriptionum et Iconum Rariores et pro maxima parte Novas Plantas 1773 , 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 (1 publication) (from synonym Juncellus pallidiflorus Peter)
To Biodiversity Heritage Library (11 publications) (from synonym Cyperus bidentatus Poir.)
To Biodiversity Heritage Library (137 publications) 
To Biodiversity Heritage Library (172 publications) (from synonym Cyperus glomeratus Willd.)
To Biodiversity Heritage Library (29 publications) (from synonym Cyperus glaucus Willd. ex Kunth)
To Biodiversity Heritage Library (38 publications) (from synonym Juncellus alopecuroides (Rottb.) C.B.Clarke)
To Biodiversity Heritage Library (44 publications) (from synonym Cyperus fastigiatus Forssk.)
To European Nucleotide Archive, ENA (Cyperus alopecuroides) 
To European Nucleotide Archive, ENA (Cyperus glomeratus) (from synonym Cyperus glomeratus Willd.)
To International Plant Names Index (IPNI) (from synonym Cyperus glomeratus Willd.)
To International Plant Names Index (IPNI) (from synonym Cyperus poiretii Roem. & Schult.)
To International Plant Names Index (IPNI) (from synonym Juncellus alopecuroides (Rottb.) C.B.Clarke)
To International Plant Names Index (IPNI) (from synonym Juncellus pallidiflorus Peter)
To International Plant Names Index (IPNI) (from synonym Cyperus bidentatus Poir.)
To International Plant Names Index (IPNI) (from synonym Chlorocyperus alopecuroides (Rottb.) Grossh.)
To International Plant Names Index (IPNI) 
To International Plant Names Index (IPNI) (from synonym Cyperus fastigiatus Forssk.)
To International Plant Names Index (IPNI) (from synonym Cyperus glaucus Willd. ex Kunth)
To IUCN Red List (Least Concern) 
To Plants of the World Online (from synonym Chlorocyperus alopecuroides (Rottb.) Grossh.)
To Plants of the World Online 
To Plants of the World Online (from synonym Cyperus bidentatus Poir.)
To Plants of the World Online (from synonym Cyperus glomeratus Willd.)
To Plants of the World Online (from synonym Cyperus glaucus Willd. ex Kunth)
To Plants of the World Online (from synonym Cyperus fastigiatus Forssk.)
To Plants of the World Online (from synonym Cyperus alopecuroides var. digynus Boeckeler)
To Plants of the World Online (from synonym Cyperus exaltatus var. digynus (Boeckeler) F.N.Williams)
To Plants of the World Online (from synonym Cyperus alopecuroides f. latifolius Peter ex Kük.)
To Plants of the World Online (from synonym Cyperus alopecuroides f. pallidiflorus (Peter) Kük.)
To Plants of the World Online (from synonym Juncellus alopecuroides (Rottb.) C.B.Clarke)
To Plants of the World Online (from synonym Juncellus pallidiflorus Peter)
To Plants of the World Online (from synonym Cyperus poiretii Roem. & Schult.)
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