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Cyperaceae taxon details

Cyperus serotinus Rottb.

To the Natural History Museum, London (Cyperus serotinus Rottb. BM000958983 type 1)
To the Natural History Museum, London (Cyperus serotinus Rottb. BM000958983 type 1)

1679067 (urn:lsid:marinespecies.org:taxname:1679067)

  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 serotinus (Species)
accepted
Species

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terrestrial
Not documented
Description Herbácea, perenne; rizoma de entrenudos largos, robusto. Tallos (45)55–69(71) cm, solitarios, rectos, trígonos. Hojas...  
Description Herbácea, perenne; rizoma de entrenudos largos, robusto. Tallos (45)55–69(71) cm, solitarios, rectos, trígonos. Hojas (59)62–71(72) × 0,4–0,9 cm, generalmente de menor longitud que los tallos, la mayoría basales, de modo que dejan desnudo el tallo en su mitad superior, planas, antroso-escábridas, eliguladas; vaina con los bordes membranáceos, hialinos. Inflorescencia terminal, en antela compuesta, con 5–10 radios primarios hasta 15 cm, desiguales, con los radios terminales rematados por espigas de espiguillas ± laxas; brácteas (2)3 excepcionalmente hasta 5, planas, antroso-escábridas en los márgenes, la inferior de (21)23–50(70) × 0,2–0,6 cm, de longitud mucho mayor que la inflorescencia; espiguillas (8,9)10–13,5(21,5) × 2,2–2,9 mm, patentes, lanceoladas, comprimidas, ± laxas, con 12–28 flores; raquidio recto, áptero, entero. Glumas (1,8)2–2,4 × 1,6–2,1 mm, disticas, separadas del eje, ampliamente ovadas a suborbiculares, obtusas, ligeramente truncadas en la base, de color pardo-rojizo, con un amplio margen escarioso y una banda central verdosa con 3 nervios incompuestos. Estambres 3, exertos en la antesis. Estilo muy corto, con 2 estigmas escasamente exertos. Aquenios 1,3–1,5 × 1,1–1,3 mm, de longitud de 2/3 a subigual a la de la gluma, lenticulares, de color pardo oscuro o negruzco. [details]

Description Perennials. Rhizomes with long stolons. Culms 35-100 cm tall, stout, compressed triquetrous, smooth, few leaved at basal...  
Description Perennials. Rhizomes with long stolons. Culms 35-100 cm tall, stout, compressed triquetrous, smooth, few leaved at basal part. Leaves shorter to sometimes longer than culm; leaf blade 3-10 mm wide, smooth, midvein abaxially forming a keel, base folded, apically flat. Involucral bracts 3(or 4), leaflike, longer than inflorescence, unequal in length, mostly to 8 mm wide. Inflorescence a compound or simple anthela; rays 4-7, obliquely spreading, mostly to 16 cm, each with 1-5 raylets; raylets each with a spike. Spikes with 5-17 spikelets; rachis laxly hispidulous or smooth. Spikelets laxly arranged, subspreading, narrowly ovoid to linear-oblong, 0.8-2.5 cm × ca. 3 mm, 10-34-flowered; rachilla wings white, hyaline. Glumes reddish brown to dark reddish brown on both surfaces, densely imbricate at first but slightly lax after anthesis, broadly ovate, ca. (2-)2.5 mm, papery, 5-7-veined, midvein green, margin yellowish and hyaline, apex obtuse to rounded and sometimes emarginate. Stamens 3; anthers linear. Style short; stigmas 2, long. Nutlet brown, broadly ellipsoid, subglobose, or broadly obovoid, ca. 2 mm, plano-convex, slightly shiny, prominently puncticulate, apex apiculate. [details]

Taxonomic remark Source in seed data: wcs Updated namepublishedIn from Descr. Icon. Rar. Pl. 31 1773 to Descriptiones et Icones rariorum et...  
Taxonomic remark Source in seed data: wcs Updated namepublishedIn from Descr. Icon. Rar. Pl. 31 1773 to Descriptiones et Icones rariorum et pro maxima parte novarum Plantarum 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 serotinus Rottb.. Accessed at: https://www.cyperaceae.org/aphia.php?p=taxdetails&id=1679067 on 2026-09-23
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] 

Taxonomy

taxonomy source Luceño, M., Castroviejo, S., Jiménez-Mejías, P. (2008). Cyperaceae. In: Castroviejo, Luceño, M., Galán, A., Jiménez-Mejías, P., Cabezas, F., Medina, L. (eds). Flora iberica. Plantas vasculares de la Península Ibérica e Islas Baleares. Vol. XVIII. Madrid: CSIC., available online at https://bibdigital.rjb.csic.es/records/item/12958-flora-iberica-vol-18-cyperaceae-pontederiaceae?offset=, http://www.floraiberica.es/PHP/familias_lista_.php?familia=Cyperaceae [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 Herbácea, perenne; rizoma de entrenudos largos, robusto. Tallos (45)55–69(71) cm, solitarios, rectos, trígonos. Hojas (59)62–71(72) × 0,4–0,9 cm, generalmente de menor longitud que los tallos, la mayoría basales, de modo que dejan desnudo el tallo en su mitad superior, planas, antroso-escábridas, eliguladas; vaina con los bordes membranáceos, hialinos. Inflorescencia terminal, en antela compuesta, con 5–10 radios primarios hasta 15 cm, desiguales, con los radios terminales rematados por espigas de espiguillas ± laxas; brácteas (2)3 excepcionalmente hasta 5, planas, antroso-escábridas en los márgenes, la inferior de (21)23–50(70) × 0,2–0,6 cm, de longitud mucho mayor que la inflorescencia; espiguillas (8,9)10–13,5(21,5) × 2,2–2,9 mm, patentes, lanceoladas, comprimidas, ± laxas, con 12–28 flores; raquidio recto, áptero, entero. Glumas (1,8)2–2,4 × 1,6–2,1 mm, disticas, separadas del eje, ampliamente ovadas a suborbiculares, obtusas, ligeramente truncadas en la base, de color pardo-rojizo, con un amplio margen escarioso y una banda central verdosa con 3 nervios incompuestos. Estambres 3, exertos en la antesis. Estilo muy corto, con 2 estigmas escasamente exertos. Aquenios 1,3–1,5 × 1,1–1,3 mm, de longitud de 2/3 a subigual a la de la gluma, lenticulares, de color pardo oscuro o negruzco. [details]

Description Perennials. Rhizomes with long stolons. Culms 35-100 cm tall, stout, compressed triquetrous, smooth, few leaved at basal part. Leaves shorter to sometimes longer than culm; leaf blade 3-10 mm wide, smooth, midvein abaxially forming a keel, base folded, apically flat. Involucral bracts 3(or 4), leaflike, longer than inflorescence, unequal in length, mostly to 8 mm wide. Inflorescence a compound or simple anthela; rays 4-7, obliquely spreading, mostly to 16 cm, each with 1-5 raylets; raylets each with a spike. Spikes with 5-17 spikelets; rachis laxly hispidulous or smooth. Spikelets laxly arranged, subspreading, narrowly ovoid to linear-oblong, 0.8-2.5 cm × ca. 3 mm, 10-34-flowered; rachilla wings white, hyaline. Glumes reddish brown to dark reddish brown on both surfaces, densely imbricate at first but slightly lax after anthesis, broadly ovate, ca. (2-)2.5 mm, papery, 5-7-veined, midvein green, margin yellowish and hyaline, apex obtuse to rounded and sometimes emarginate. Stamens 3; anthers linear. Style short; stigmas 2, long. Nutlet brown, broadly ellipsoid, subglobose, or broadly obovoid, ca. 2 mm, plano-convex, slightly shiny, prominently puncticulate, apex apiculate. [details]

Taxonomic remark Source in seed data: wcs Updated namepublishedIn from Descr. Icon. Rar. Pl. 31 1773 to Descriptiones et Icones rariorum et pro maxima parte novarum Plantarum 1773 , information provided by Alan E. on email Oct. 12 2020 More details could be found in [details]

Translation Perennial herb; rhizome with long, robust internodes. Stems (45)55–69(71) cm, solitary, erect, trigonous. Leaves (59)62–71(72) × 0.4–0.9 cm, generally shorter than the stems, mostly basal, leaving the upper half of the stem naked, flat, antrorsely scabrid, eligulate; sheath with membranous, hyaline margins. Inflorescence terminal, in a compound anthela, with 5–10 primary rays up to 15 cm long, unequal, with terminal rays ending in ± lax spikes of spikelets; bracts (2)3, exceptionally up to 5, flat, antrorsely scabrid on the margins, the lowest (21)23–50(70) × 0.2–0.6 cm, much longer than the inflorescence; spikelets (8.9)10–13.5(21.5) × 2.2–2.9 mm, spreading, lanceolate, compressed, ± lax, with 12–28 flowers; rachilla straight, wingless, entire. Glumes (1.8)2–2.4 × 1.6–2.1 mm, distichous, spaced along the axis, broadly ovate to suborbicular, obtuse, slightly truncate at the base, reddish-brown, with a broad scarious margin and a greenish central band with three unbranched veins. Stamens 3, exserted at anthesis. Style very short, with two slightly exserted stigmas. Achenes 1.3–1.5 × 1.1–1.3 mm, 2/3 as long to nearly as long as the glume, lenticular, dark brown to nearly black. [details]
    Definitions

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To Biodiversity Heritage Library (1 publication) (from synonym Pycreus serotinus (Rottb.) Hayek)
To Biodiversity Heritage Library (103 publications) 
To Biodiversity Heritage Library (54 publications) (from synonym Juncellus serotinus (Rottb.) C.B.Clarke)
To Biodiversity Heritage Library (7 publications) (from synonym Duval-jouvea serotina (Rottb.) Palla)
To European Nucleotide Archive, ENA (Cyperus serotinus) 
To GenBank (7 nucleotides; 5 proteins) 
To International Plant Names Index (IPNI) 
To International Plant Names Index (IPNI) (from synonym Duval-jouvea serotina (Rottb.) Palla)
To International Plant Names Index (IPNI) (from synonym Juncellus serotinus (Rottb.) C.B.Clarke)
To International Plant Names Index (IPNI) (from synonym Pycreus serotinus (Rottb.) Hayek)
To Plants of the World Online (from synonym Juncellus serotinus (Rottb.) C.B.Clarke)
To Plants of the World Online (from synonym Pycreus serotinus (Rottb.) Hayek)
To Plants of the World Online (from synonym Duval-jouvea serotina (Rottb.) Palla)
To Plants of the World Online 
To the Natural History Museum, London (Cyperus serotinus Rottb. BM000958983 type 1) 
To the Natural History Museum, London (Cyperus serotinus Rottb. BM000958984 type 1) 
To The Plant List (from synonym Cyperus monti var. stylosa C.B.Clarke)
From editor or global species database
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