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Cyperaceae taxon details

Caustis flexuosa R.Br.

To Genève Herbarium (Caustis flexuosa G00191590 type 1)
To Genève Herbarium (Caustis flexuosa G00191590 type 1)

1680404  (urn:lsid:marinespecies.org:taxname:1680404)

  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. Schoeneae (Tribe)
  12. Caustiinae (Subtribe)
  13. Caustis (Genus)
  14. Caustis flexuosa (Species)
accepted
Species
Caustis flexuosa var. flexuosa R.Br. · unaccepted > junior objective synonym (No infraspecific taxa are...)  
No infraspecific taxa are currently recognised in C. fkexuosa - KL Wilson
Caustis flexuosa var. rectiramulosa Kük. · unaccepted (No infraspecific taxa are...)  
No infraspecific taxa are currently recognised in C. flexuosa - KL Wilson
Caustis flexuosa var. tenuirama (Gand.) Kük. · unaccepted (No infraspecific taxa are...)  
No infraspecific taxa are currently recognised in C. fexuosa - KL Wilson
Caustis restiacea F.Muell. ex Benth. · unaccepted > junior subjective synonym
Caustis tenuirama Gand. · unaccepted (No infraspecific taxa are...)  
No infraspecific taxa are currently recognised in C. flexuosa - KL Wilson

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Children Display

  1. Variety Caustis flexuosa var. flexuosa R.Br. accepted as Caustis flexuosa R.Br. (unaccepted > junior objective synonym, No infraspecific taxa are currently recognised in C. fkexuosa - KL Wilson)
  2. Variety Caustis flexuosa var. rectiramulosa Kük. accepted as Caustis flexuosa R.Br. (No infraspecific taxa are currently recognised in C. flexuosa - KL Wilson)
  3. Variety Caustis flexuosa var. tenuirama (Gand.) Kük. accepted as Caustis flexuosa R.Br. (No infraspecific taxa are currently recognised in C. fexuosa - KL Wilson)
marine, brackish, fresh, terrestrial
recent only
Brown, R. (1810). Prodromus florae Novae Hollandiae et Insulae Van-Diemen, exhibens characteres plantarum quas annis 1802-1805 per oras utriusque insulae collegit et descripsit Robertus Brown; insertis passim aliis speciebus auctori hucusque cognitis, seu evulgatis, seu ineditis, praesertim Banksianis, in primo itinere navarchi Cook detectis. Vol. 1 pp. [i]-viii, 145-590 p., [1] h. ["Addenda"]. Londini [London]: typis Richardi Taylori et Scoii. Veneunt apud J. Johnson et Socios, in Caementerio Sancti Pauli., available online at https://www.biodiversitylibrary.org/page/6157371
page(s): 239 [details] 
Lectotype  BM 00884861, geounit New South Wales  
Lectotype BM 00884861, geounit New South Wales [details]
Description Perennial with short rhizome. Culms scabrous to smooth, 15–90 cm long, 1.5–2.5 mm diam. Leaf sheaths dark red-brown to...  
Description Perennial with short rhizome. Culms scabrous to smooth, 15–90 cm long, 1.5–2.5 mm diam. Leaf sheaths dark red-brown to dark grey-brown. Inflorescence with 7–14 distant clusters of branches, 20–80 cm long, ultimate branches strongly curled to flexuous. Spikelets 2- (rarely 1-) flowered, 6–10 mm long, often ± falcate. Glumes 4 or 5 (rarely to 7), long-acute, mostly mucronate, dark red-brown, glabrous or sparsely puberulous, margins hyaline and glabrous, 6–10 mm long. Stamens 3 or 4; anthers 3.7–4.5 mm long, excluding appendage 0.3–0.5 mm long. Style 3-fid; persistent style base 1.5–3 mm long, dark purplish red. Nut narrow-ellipsoid to ellipsoid, 3.5–5 mm long, 1.8–2.5 mm diam., whitish to straw-coloured, coarsely and irregularly reticulate, punctulate. [details]

Taxonomic remark Source in seed data: wcs Update namepublishedIn from Prodr. Fl. Nov. Holl. 239 1810 to Prodr. Fl. Nov. Holland. : 239...  
Taxonomic remark Source in seed data: wcs Update namepublishedIn from Prodr. Fl. Nov. Holl. 239 1810 to Prodr. Fl. Nov. Holland. : 239 (1810), 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. Caustis flexuosa R.Br.. Accessed at: https://cyperaceae.org/aphia.php?p=taxdetails&id=1680404 on 2025-09-13
Date
action
by
2023-09-06 07:35:01Z
created
Larridon, Isabel
2024-12-10 11:47:54Z
unchecked
db_admin
2025-04-13 12:21:54Z
changed
Wilson, Karen L.

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


Nomenclature

original description Brown, R. (1810). Prodromus florae Novae Hollandiae et Insulae Van-Diemen, exhibens characteres plantarum quas annis 1802-1805 per oras utriusque insulae collegit et descripsit Robertus Brown; insertis passim aliis speciebus auctori hucusque cognitis, seu evulgatis, seu ineditis, praesertim Banksianis, in primo itinere navarchi Cook detectis. Vol. 1 pp. [i]-viii, 145-590 p., [1] h. ["Addenda"]. Londini [London]: typis Richardi Taylori et Scoii. Veneunt apud J. Johnson et Socios, in Caementerio Sancti Pauli., available online at https://www.biodiversitylibrary.org/page/6157371
page(s): 239 [details] 

original description (of Caustis restiacea F.Muell. ex Benth.) Bentham, G. (1878). Flora australiensis: a description of the plants of the Australian territory. vol. 7, pp. 2-806. L. Reeve, Covent Garden, London., available online at https://www.biodiversitylibrary.org/page/11265831
page(s): 421 [details] OpenAccess publication

original description (of Caustis tenuirama Gand.) Gandoger M. (1920). Sertum plantarum novarum. Pars secunda. <em>Bulletin de la Société Botanique de France.</em> 66: 286–307., available online at https://www.biodiversitylibrary.org/page/345148#page/333/mode/1up
page(s): 297 [details] 

original description (of Caustis flexuosa var. rectiramulosa Kük.) Kükenthal, G. (1944). Vorarbeiten zu einer Monographie der Rhynchosporideae. XIV. 12. Caustis. Feddes Repertorium, 53(2): 85-100.
page(s): 96 [details] 

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 
   

Isotype (of Caustis tenuirama Gand.) NSW, geounit Queensland [details]
Lectotype BM 00884861, geounit New South Wales [details]
Syntype (of Caustis restiacea F.Muell. ex Benth.) K, geounit New South Wales [details]
Syntype (of Caustis restiacea F.Muell. ex Benth.) K, geounit Victoria [details]
From editor or global species database
Description Perennial with short rhizome. Culms scabrous to smooth, 15–90 cm long, 1.5–2.5 mm diam. Leaf sheaths dark red-brown to dark grey-brown. Inflorescence with 7–14 distant clusters of branches, 20–80 cm long, ultimate branches strongly curled to flexuous. Spikelets 2- (rarely 1-) flowered, 6–10 mm long, often ± falcate. Glumes 4 or 5 (rarely to 7), long-acute, mostly mucronate, dark red-brown, glabrous or sparsely puberulous, margins hyaline and glabrous, 6–10 mm long. Stamens 3 or 4; anthers 3.7–4.5 mm long, excluding appendage 0.3–0.5 mm long. Style 3-fid; persistent style base 1.5–3 mm long, dark purplish red. Nut narrow-ellipsoid to ellipsoid, 3.5–5 mm long, 1.8–2.5 mm diam., whitish to straw-coloured, coarsely and irregularly reticulate, punctulate. [details]

Taxonomic remark Source in seed data: wcs Update namepublishedIn from Prodr. Fl. Nov. Holl. 239 1810 to Prodr. Fl. Nov. Holland. : 239 (1810), information provided by Alan E. on email Jun. 07 2021 More details could be found in [details]
To Biodiversity Heritage Library (3 publications) (from synonym Caustis tenuirama Gand.)
To Biodiversity Heritage Library (37 publications) 
To Biodiversity Heritage Library (8 publications) (from synonym Caustis restiacea F.Muell. ex Benth.)
To European Nucleotide Archive, ENA (Caustis flexuosa) 
To GenBank (4 nucleotides; 1 proteins) 
To Genève Herbarium (Caustis flexuosa G00191590 type 1) 
To Genève Herbarium (Caustis flexuosa G00191590 type 2) 
To International Plant Names Index (IPNI) 
To International Plant Names Index (IPNI) (from synonym Caustis flexuosa var. rectiramulosa Kük.)
To International Plant Names Index (IPNI) (from synonym Caustis restiacea F.Muell. ex Benth.)
To International Plant Names Index (IPNI) (from synonym Caustis flexuosa var. tenuirama (Gand.) Kük.)
To International Plant Names Index (IPNI) (from synonym Caustis flexuosa var. flexuosa R.Br.)
To International Plant Names Index (IPNI) (from synonym Caustis tenuirama Gand.)
To Plants of the World Online (from synonym Caustis tenuirama Gand.)
To Plants of the World Online (from synonym Caustis restiacea F.Muell. ex Benth.)
To Plants of the World Online (from synonym Caustis flexuosa var. tenuirama (Gand.) Kük.)
To Plants of the World Online (from synonym Caustis flexuosa var. rectiramulosa Kük.)
To Plants of the World Online 
To Royal Botanic Garden Edinburgh Herbarium (Caustis flexuosa E00393222 type 1) 
To Royal Botanic Garden Edinburgh Herbarium (Caustis flexuosa E00393223 possible type 1) 
To Royal Botanic Garden Edinburgh Herbarium (Caustis flexuosa E00393224 type 1) 
To Royal Botanic Gardens, Kew (Caustis restiacea K000881769 type 1) (from synonym Caustis restiacea F.Muell. ex Benth.)
To Royal Botanic Gardens, Kew (Caustis restiacea K000881770 type 1) (from synonym Caustis restiacea F.Muell. ex Benth.)
To Royal Botanic Gardens, Kew (Caustis restiacea K000881771 type 1) (from synonym Caustis restiacea F.Muell. ex Benth.)
To the Natural History Museum, London (Caustis flexuosa R.Br. BM000884860 type 1) 
To the Natural History Museum, London (Caustis flexuosa R.Br. BM000884861 type 1) 
To the Natural History Museum, London (Caustis flexuosa R.Br. BM000884862 type 1) 
To the Natural History Museum, London (Caustis flexuosa R.Br. BM000884863 type 1) 
From editor or global species database
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