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Cyperaceae taxon details

Cyperus imbricatus Retz.

To Moscow University Herbarium (Cyperus macrosciadion MW0591499 isotype 1)
To Moscow University Herbarium (Cyperus macrosciadion MW0591499 isotype 1)

1680875 (urn:lsid:marinespecies.org:taxname:1680875)

  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 imbricatus (Species)
accepted
Species
Cyperus biceps Vahl · unaccepted
Cyperus obscurus Nees · unaccepted
Cyperus radiatus Vahl · unaccepted
Cyperus roylei Arn. · unaccepted

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terrestrial
Not documented
Description Perennials. Rhizomes short. Roots many, fibrous. Culms 7-15 cm tall, stout, obtusely 3-angled, smooth, basally clothed by...  
Description Perennials. Rhizomes short. Roots many, fibrous. Culms 7-15 cm tall, stout, obtusely 3-angled, smooth, basally clothed by several leaf sheaths. Leaves basal, shorter than culm; sheath reddish brown to dark brown, long; leaf blade 0.5-1.5 cm wide, basally folded, apically flat. Involucral bracts 3-5, leaflike, longer than inflorescence. Inflorescence a compound anthela; rays 6-10, to 16 cm, unequal in length, each with 3-10 raylets; raylets radially spreading. Spikes 3-6 fasciculate at apex of raylet, sessile or subsessile, densely arranged, cylindric, 1.5-4 × 0.6-1.4 cm, with many spikelets. Spikelets in several rows, narrowly ovoid to narrowly oblong-ovoid, 4-12 × 1.5-2 mm, slightly compressed, obliquely spreading, 8-30-flowered; rachilla wings white, narrow, hyaline, persistent; successive glumes 0.4-0.5 mm apart. Glumes brownish yellow to straw-colored, densely imbricate, broadly ovate, 1-1.2 mm (excluding mucro), shiny, 3-5-veined, keel greenish ending in a straight to slightly excurved 0.3-0.5 mm mucro. Stamens 3; anthers oblong, 0.2-0.5 mm; connective prominent beyond anther apex. Style long; stigmas 3. Nutlet obovoid to subellipsoid, ca. 1/2 as long as subtending glume, 3-sided, smooth.  [details]

Taxonomic remark Source in seed data: wcs Update namepublishedIn from Observ. Bot. 5: 12 1788 to Observ. Bot. 5: 12 (1788), information...  
Taxonomic remark Source in seed data: wcs Update namepublishedIn from Observ. Bot. 5: 12 1788 to Observ. Bot. 5: 12 (1788), 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. Cyperus imbricatus Retz.. Accessed at: https://www.cyperaceae.org/aphia.php?p=taxdetails&id=1680875 on 2026-09-13
Date
action
by
2023-09-06 07:35:01Z
created
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

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

Other

additional source Li, B. Z.; Zhang, S. R. (2024). An updated species checklist and taxonomic synopsis of Cyperaceae in China. <em>Biodiversity Science.</em> 32(7): 24106., available online at https://doi.org/10.17520/biods.2024106 [details] Available for editors  PDF available [request]

 
 Present  Inaccurate  Introduced: alien  Containing type locality 
   

From editor or global species database
Description Perennials. Rhizomes short. Roots many, fibrous. Culms 7-15 cm tall, stout, obtusely 3-angled, smooth, basally clothed by several leaf sheaths. Leaves basal, shorter than culm; sheath reddish brown to dark brown, long; leaf blade 0.5-1.5 cm wide, basally folded, apically flat. Involucral bracts 3-5, leaflike, longer than inflorescence. Inflorescence a compound anthela; rays 6-10, to 16 cm, unequal in length, each with 3-10 raylets; raylets radially spreading. Spikes 3-6 fasciculate at apex of raylet, sessile or subsessile, densely arranged, cylindric, 1.5-4 × 0.6-1.4 cm, with many spikelets. Spikelets in several rows, narrowly ovoid to narrowly oblong-ovoid, 4-12 × 1.5-2 mm, slightly compressed, obliquely spreading, 8-30-flowered; rachilla wings white, narrow, hyaline, persistent; successive glumes 0.4-0.5 mm apart. Glumes brownish yellow to straw-colored, densely imbricate, broadly ovate, 1-1.2 mm (excluding mucro), shiny, 3-5-veined, keel greenish ending in a straight to slightly excurved 0.3-0.5 mm mucro. Stamens 3; anthers oblong, 0.2-0.5 mm; connective prominent beyond anther apex. Style long; stigmas 3. Nutlet obovoid to subellipsoid, ca. 1/2 as long as subtending glume, 3-sided, smooth.  [details]

Taxonomic remark Source in seed data: wcs Update namepublishedIn from Observ. Bot. 5: 12 1788 to Observ. Bot. 5: 12 (1788), 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 (106 publications) (from synonym Cyperus digitatus Nees)
To Biodiversity Heritage Library (14 publications) (from synonym Cyperus spicatus J.Presl & C.Presl)
To Biodiversity Heritage Library (18 publications) (from synonym Cyperus verticillatus Roxb.)
To Biodiversity Heritage Library (2 publications) (from synonym Cyperus semidives Steud.)
To Biodiversity Heritage Library (2 publications) (from synonym Cyperus campestris Schrad. ex Nees)
To Biodiversity Heritage Library (2 publications) (from synonym Cyperus confertiflorus Schult.)
To Biodiversity Heritage Library (2 publications) (from synonym Cyperus viridispicatus Boeckeler)
To Biodiversity Heritage Library (21 publications) (from synonym Cyperus densiflorus Link)
To Biodiversity Heritage Library (3 publications) (from synonym Cyperus densispicatus Cherm.)
To Biodiversity Heritage Library (3 publications) (from synonym Cyperus biceps Vahl)
To Biodiversity Heritage Library (3 publications) (from synonym Dichostylis radiata (Vahl) Palla)
To Biodiversity Heritage Library (3 publications) (from synonym Mariscus leptochloides Steud.)
To Biodiversity Heritage Library (4 publications) (from synonym Cyperus anabaptistus Steud.)
To Biodiversity Heritage Library (47 publications) 
To Biodiversity Heritage Library (5 publications) (from synonym Cyperus dense-spicatus Hayata)
To Biodiversity Heritage Library (5 publications) (from synonym Cyperus mediorubescens Hayata)
To Biodiversity Heritage Library (50 publications) (from synonym Cyperus involucratus Poir.)
To Biodiversity Heritage Library (6 publications) (from synonym Cyperus macrosciadion Steud.)
To Biodiversity Heritage Library (8 publications) (from synonym Cyperus flexifolius Boeckeler)
To Biodiversity Heritage Library (92 publications) (from synonym Cyperus radiatus Vahl)
To European Nucleotide Archive, ENA (Cyperus digitatus) (from synonym Cyperus digitatus Nees)
To European Nucleotide Archive, ENA (Cyperus imbricatus) 
To European Nucleotide Archive, ENA (Cyperus involucratus) (from synonym Cyperus involucratus Poir.)
To GenBank (5 nucleotides; 2 proteins) 
To International Plant Names Index (IPNI) 
To International Plant Names Index (IPNI) (from synonym Cyperus anabaptistus Steud.)
To International Plant Names Index (IPNI) (from synonym Cyperus biceps Vahl)
To International Plant Names Index (IPNI) (from synonym Cyperus campestris Schrad. ex Nees)
To International Plant Names Index (IPNI) (from synonym Cyperus digitatus Nees)
To International Plant Names Index (IPNI) (from synonym Cyperus densiflorus Link)
To International Plant Names Index (IPNI) (from synonym Cyperus densispicatus Cherm.)
To International Plant Names Index (IPNI) (from synonym Cyperus confertiflorus Schult.)
To International Plant Names Index (IPNI) (from synonym Cyperus dense-spicatus Hayata)
To International Plant Names Index (IPNI) (from synonym Cyperus mediorubescens Hayata)
To International Plant Names Index (IPNI) (from synonym Cyperus macrosciadion Steud.)
To International Plant Names Index (IPNI) (from synonym Cyperus flexifolius Boeckeler)
To International Plant Names Index (IPNI) (from synonym Cyperus involucratus Poir.)
To International Plant Names Index (IPNI) (from synonym Cyperus obscurus Nees)
To International Plant Names Index (IPNI) (from synonym Cyperus roylei Arn.)
To International Plant Names Index (IPNI) (from synonym Cyperus radiatus Vahl)
To International Plant Names Index (IPNI) (from synonym Cyperus semidives Steud.)
To International Plant Names Index (IPNI) (from synonym Cyperus spicatus J.Presl & C.Presl)
To International Plant Names Index (IPNI) (from synonym Cyperus verticillatus Roxb.)
To International Plant Names Index (IPNI) (from synonym Cyperus viridispicatus Boeckeler)
To International Plant Names Index (IPNI) (from synonym Dichostylis radiata (Vahl) Palla)
To International Plant Names Index (IPNI) (from synonym Cyperus imbricatus subsp. elongatus (Boeckeler) T.Koyama)
To International Plant Names Index (IPNI) (from synonym Cyperus imbricatus var. capitatus (Boeckeler) Kük.)
To International Plant Names Index (IPNI) (from synonym Cyperus imbricatus var. elongatus (Boeckeler) Kük.)
To International Plant Names Index (IPNI) (from synonym Cyperus imbricatus var. minor (Boeckeler) Kük.)
To International Plant Names Index (IPNI) (from synonym Cyperus imbricatus var. multiflorus Kük.)
To International Plant Names Index (IPNI) (from synonym Cyperus imbricatus var. viridispicatus (Boeckeler) Kük.)
To International Plant Names Index (IPNI) (from synonym Cyperus radiatus var. capitatus Boeckeler)
To International Plant Names Index (IPNI) (from synonym Cyperus radiatus var. elongatus Boeckeler)
To International Plant Names Index (IPNI) (from synonym Cyperus radiatus var. minor Boeckeler)
To International Plant Names Index (IPNI) (from synonym Cyperus imbricatus var. densespicatus (Hayata) Ohwi)
To International Plant Names Index (IPNI) (from synonym Mariscus leptochloides Steud.)
To IUCN Red List (Least Concern) 
To Moscow University Herbarium (Cyperus macrosciadion MW0591499 isotype 1) (from synonym Cyperus macrosciadion Steud.)
To Plants of the World Online (from synonym Cyperus mediorubescens Hayata)
To Plants of the World Online (from synonym Cyperus obscurus Nees)
To Plants of the World Online (from synonym Cyperus macrosciadion Steud.)
To Plants of the World Online (from synonym Cyperus involucratus Poir.)
To Plants of the World Online (from synonym Cyperus flexifolius Boeckeler)
To Plants of the World Online (from synonym Cyperus viridispicatus Boeckeler)
To Plants of the World Online (from synonym Cyperus spicatus J.Presl & C.Presl)
To Plants of the World Online (from synonym Cyperus verticillatus Roxb.)
To Plants of the World Online (from synonym Cyperus semidives Steud.)
To Plants of the World Online (from synonym Cyperus radiatus Vahl)
To Plants of the World Online (from synonym Cyperus roylei Arn.)
To Plants of the World Online 
To Plants of the World Online (from synonym Cyperus campestris Schrad. ex Nees)
To Plants of the World Online (from synonym Cyperus anabaptistus Steud.)
To Plants of the World Online (from synonym Cyperus biceps Vahl)
To Plants of the World Online (from synonym Cyperus densiflorus Link)
To Plants of the World Online (from synonym Cyperus dense-spicatus Hayata)
To Plants of the World Online (from synonym Cyperus confertiflorus Schult.)
To Plants of the World Online (from synonym Cyperus densispicatus Cherm.)
To Plants of the World Online (from synonym Cyperus digitatus Nees)
To Plants of the World Online (from synonym Cyperus imbricatus var. densespicatus (Hayata) Ohwi)
To Plants of the World Online (from synonym Cyperus radiatus var. minor Boeckeler)
To Plants of the World Online (from synonym Cyperus radiatus var. elongatus Boeckeler)
To Plants of the World Online (from synonym Cyperus radiatus var. capitatus Boeckeler)
To Plants of the World Online (from synonym Cyperus imbricatus var. viridispicatus (Boeckeler) Kük.)
To Plants of the World Online (from synonym Cyperus imbricatus var. multiflorus Kük.)
To Plants of the World Online (from synonym Cyperus imbricatus var. minor (Boeckeler) Kük.)
To Plants of the World Online (from synonym Cyperus imbricatus var. elongatus (Boeckeler) Kük.)
To Plants of the World Online (from synonym Cyperus imbricatus var. capitatus (Boeckeler) Kük.)
To Plants of the World Online (from synonym Dichostylis radiata (Vahl) Palla)
To Plants of the World Online (from synonym Cyperus imbricatus subsp. elongatus (Boeckeler) T.Koyama)
To Plants of the World Online (from synonym Mariscus leptochloides Steud.)
To Royal Botanic Gardens, Kew (Cyperus imbricatus K000290901 isotype 1) 
To Royal Botanic Gardens, Kew (Cyperus imbricatus K000290902 isotype 1) 
To The Plant List (from synonym Cyperus imbricatus var. densispicatus (Hayata) Ohwi)
To The Plant List (from synonym Cyperus imbricatus var. imbricatus)
From editor or global species database
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