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Cyperaceae taxon details

Bolboschoenus caldwellii (V.J.Cook) Soják

1678633  (urn:lsid:marinespecies.org:taxname:1678633)

accepted
Species
marine, brackish, fresh, terrestrial
recent only
(of Scirpus caldwellii 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): 568 [details] Available for editors  PDF available [request]
Type locality contained in Auckland  
type locality contained in Auckland [from synonym] [view taxon] [details]
Description Rhizomatous perennial. Culms 30–90 (rarely to 120) cm high, 1–3.5 mm diam. Leaves 2–7 mm wide.
Inflorescence a...  
Description Rhizomatous perennial. Culms 30–90 (rarely to 120) cm high, 1–3.5 mm diam. Leaves 2–7 mm wide.
Inflorescence a compact head of 3–6 spikelets, or with 1–3 spikelet clusters on branches 1–4 cm long; involucral bracts 4–22 cm long, 1.5–2.5 mm wide. Spikelets 1–2 cm long. Glumes c. 7 mm long (plus mucro c. 2 mm long), yellow-brown. Hypogynous bristles about half as long as nut, usually deciduous. Style 2-fid. Nut lenticular with concave faces, broad-obovoid, 3.5–4 mm long, 2.5–3 mm diam., straw-coloured to dark golden brown, shining, minutely but obviously reticulate. [details]

Taxonomic remark Source in seed data: wcs Update namepublishedIn from Üas. Nšr. Mus., Odd. Påšr. 141(1-2): 62. 1972 to Cas. Nšr. Mus.,...  
Taxonomic remark Source in seed data: wcs Update namepublishedIn from Üas. Nšr. Mus., Odd. Påšr. 141(1-2): 62. 1972 to Cas. Nšr. Mus., Odd. Pršr. 141: 62 (1972), 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. Bolboschoenus caldwellii (V.J.Cook) Soják. Accessed at: https://cyperaceae.org/aphia.php?p=taxdetails&id=1678633 on 2025-09-12
Date
action
by
2023-09-06 07:35:01Z
created
2024-12-10 11:47:54Z
unchecked
db_admin
2024-12-13 08:18:07Z
checked
2025-07-25 05:21:29Z
changed

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Nomenclature

original description (of Scirpus caldwellii 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): 568 [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): 62 [details] 

 
 Present  Inaccurate  Introduced: alien  Containing type locality 
   

Isotype (of Scirpus caldwellii V.J.Cook) US 00086848, geounit Auckland [details]
From editor or global species database
Description Rhizomatous perennial. Culms 30–90 (rarely to 120) cm high, 1–3.5 mm diam. Leaves 2–7 mm wide.
Inflorescence a compact head of 3–6 spikelets, or with 1–3 spikelet clusters on branches 1–4 cm long; involucral bracts 4–22 cm long, 1.5–2.5 mm wide. Spikelets 1–2 cm long. Glumes c. 7 mm long (plus mucro c. 2 mm long), yellow-brown. Hypogynous bristles about half as long as nut, usually deciduous. Style 2-fid. Nut lenticular with concave faces, broad-obovoid, 3.5–4 mm long, 2.5–3 mm diam., straw-coloured to dark golden brown, shining, minutely but obviously reticulate. [details]

Taxonomic remark Source in seed data: wcs Update namepublishedIn from Üas. Nšr. Mus., Odd. Påšr. 141(1-2): 62. 1972 to Cas. Nšr. Mus., Odd. Pršr. 141: 62 (1972), information provided by Alan E. on email Jun. 07 2021 More details could be found in [details]