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Cyperaceae taxon details

Bolboschoenus medianus (V.J.Cook) Soják

1678638 (urn:lsid:marinespecies.org:taxname:1678638)

accepted
Species
marine, brackish, fresh, terrestrial
recent only
(of Scirpus medianus V.J.Cook) Cook, V.J. (1947). Descriptions of New Species of Scirpus. <em>Transactions of the Royal Society of New Zealand.</em> Vol. 76, part 4, pp. 567-571., available online at https://paperspast.natlib.govt.nz/periodicals/TPRSNZ1946-76.2.9.52
page(s): 569 [details] Available for editors  PDF available [request]
Description Rhizomatous perennial. Culms 70–150 cm high, 4–5 mm diam., scabrid on the angles above. Leaves 6–8 mm wide....  
Description Rhizomatous perennial. Culms 70–150 cm high, 4–5 mm diam., scabrid on the angles above. Leaves 6–8 mm wide. Inflorescence with 4–6 branches 2–10 cm long, bearing clusters of 1–6 spikelets; involucral bracts 15–25 cm long. Spikelets 1–1.5 (-2) cm long. Glumes c. 7 mm long (plus mucro c. 2 mm long), yellow-brown. Hypogynous bristles no more than two-thirds as long as nut, often deciduous. Style 2- or 3-fid. Nut plano-convex or trigonous with concave faces, 3–4 mm long, 2–2.5 mm diam., dark red-brown to black, shining, mostly not obviously reticulate. [details]

Taxonomic remark Source in seed data: wcs Update name published In from Uas. Nšr. Mus., Odd. Pášr. 141(1-2): 63. 1972 to Čas. Nár....  
Taxonomic remark Source in seed data: wcs Update name published In from Uas. Nšr. Mus., Odd. Pášr. 141(1-2): 63. 1972 to Čas. Nár. Mus., Odd. Přír. 141: 63 (1972), information provided by Alan E. on email Jun. 07 2021; changed by Zdenka Hroudová 2026; More details could be found in [details]
Cyperaceae Working Group. (2025). [see How to cite]. Global Cyperaceae Database. Bolboschoenus medianus (V.J.Cook) Soják. Accessed at: https://cyperaceae.org/aphia.php?p=taxdetails&id=1678638 on 2026-09-11
Date
action
by
2023-09-06 07:35:01Z
created
2024-12-10 11:47:54Z
unchecked
db_admin
2024-12-13 11:08:47Z
checked
2025-07-25 05:21:29Z
changed

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


Nomenclature

original description (of Scirpus medianus V.J.Cook) Cook, V.J. (1947). Descriptions of New Species of Scirpus. <em>Transactions of the Royal Society of New Zealand.</em> Vol. 76, part 4, pp. 567-571., available online at https://paperspast.natlib.govt.nz/periodicals/TPRSNZ1946-76.2.9.52
page(s): 569 [details] Available for editors  PDF available [request]

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

new combination reference Soják, J. (1972). Notes on some Asian and North American Cyperaceae. <em>Časopis Národního Muzea.</em> 141: 62-63.
page(s): 63 [details] 

 
 Present  Inaccurate  Introduced: alien  Containing type locality 
   

Isotype (of Scirpus medianus V.J.Cook) AK 61798, geounit North Island [details]
Unknown type PRC 445655, geounit Australia [details]
Unknown type PRC 445657, geounit Australia [details]
From editor or global species database
Description Rhizomatous perennial. Culms 70–150 cm high, 4–5 mm diam., scabrid on the angles above. Leaves 6–8 mm wide. Inflorescence with 4–6 branches 2–10 cm long, bearing clusters of 1–6 spikelets; involucral bracts 15–25 cm long. Spikelets 1–1.5 (-2) cm long. Glumes c. 7 mm long (plus mucro c. 2 mm long), yellow-brown. Hypogynous bristles no more than two-thirds as long as nut, often deciduous. Style 2- or 3-fid. Nut plano-convex or trigonous with concave faces, 3–4 mm long, 2–2.5 mm diam., dark red-brown to black, shining, mostly not obviously reticulate. [details]

Taxonomic remark Source in seed data: wcs Update name published In from Uas. Nšr. Mus., Odd. Pášr. 141(1-2): 63. 1972 to Čas. Nár. Mus., Odd. Přír. 141: 63 (1972), information provided by Alan E. on email Jun. 07 2021; changed by Zdenka Hroudová 2026; More details could be found in [details]
    Definitions

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