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Cyperaceae taxon details

Carex albursina E.Sheld.

1677165  (urn:lsid:marinespecies.org:taxname:1677165)

accepted
Species
terrestrial
Sheldon, E. P. (1893). Notes from the Minnesota State Herbaria. <em>Bulletin of the Torrey Botanical Club.</em> 20: 283-287., available online at https://www.biodiversitylibrary.org/page/703393#page/359/mode/1up
page(s): 284 [details] 
Description Culms densely tufted, lateral, ascending or lax to decumbent, distinctly winged, 10–62 cm × 2–2.4 mm; basal sheath...  
Description Culms densely tufted, lateral, ascending or lax to decumbent, distinctly winged, 10–62 cm × 2–2.4 mm; basal sheath light brown to brown, the proximal frequently wine-red or purple, small, triangular. Leaves: sheaths 2–15 mm; blades ascending, midrib well developed, 2 lateral veins conspicuous, slightly more so than other veins, flat, thin, 10–35 cm × 10–38 mm, widest leaf 13–38(–62) mm wide, blades of overwintering leaves smooth. Inflorescences: peduncles of proximal spikes to 5.8 cm; of terminal spike absent. Bracts 1.4–2.6 cm × 3.9–2.2(–3.2) mm; bract blades of distal lateral spikes lanceolate or narrowly lanceolate, wider than spikes, concealing them, widest bract blade of distalmost lateral spike (2.9–)3.2–8.3 mm wide. Spikes 4(–5) per culm; lateral spikes 6–36 × 3–4.2 mm; terminal spike erect, linear, 4–18 × 1.2–1.6 mm, often hidden by distal 2 pistillate spikes and distal bract blade, frequently exceeded by distal 2 pistillate bracts. Pistillate scales oblong, 2.8–3.2 × 1.4–2 mm, apex obtuse or truncate, awnless (sometimes mucronate). Staminate scales oblong ovate, 2.8–3.2 × 1.4–2 mm, margins hyaline, apex obtuse. Anthers 2–2.2 mm. Perigynia 3–20 per spike, strongly to loosely overlapping, erect or ascending, obovate, 3–4.2 × 1.8–2.1 mm; beak abruptly bent, 0.3–0.6 mm. Achenes ovoid, 2.5–3.8 × 1.6–1.8 mm. 2n = 44. [details]

Taxonomic remark Source in seed data: wcs Update namepublishedIn from Bull. Torrey Bot. Club 20: 284 1893 to Bull. Torrey Bot. Club 20: 284...  
Taxonomic remark Source in seed data: wcs Update namepublishedIn from Bull. Torrey Bot. Club 20: 284 1893 to Bull. Torrey Bot. Club 20: 284 (1893), 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. Carex albursina E.Sheld.. Accessed at: https://cyperaceae.org/aphia.php?p=taxdetails&id=1677165 on 2025-09-13
Date
action
by
2023-09-06 07:28:28Z
created
2024-12-10 11:47:54Z
unchecked
db_admin
2025-03-11 11:19:03Z
changed

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Nomenclature

original description Sheldon, E. P. (1893). Notes from the Minnesota State Herbaria. <em>Bulletin of the Torrey Botanical Club.</em> 20: 283-287., available online at https://www.biodiversitylibrary.org/page/703393#page/359/mode/1up
page(s): 284 [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 
   

Syntype NY 00025095, geounit New York [details]
From editor or global species database
Description Culms densely tufted, lateral, ascending or lax to decumbent, distinctly winged, 10–62 cm × 2–2.4 mm; basal sheath light brown to brown, the proximal frequently wine-red or purple, small, triangular. Leaves: sheaths 2–15 mm; blades ascending, midrib well developed, 2 lateral veins conspicuous, slightly more so than other veins, flat, thin, 10–35 cm × 10–38 mm, widest leaf 13–38(–62) mm wide, blades of overwintering leaves smooth. Inflorescences: peduncles of proximal spikes to 5.8 cm; of terminal spike absent. Bracts 1.4–2.6 cm × 3.9–2.2(–3.2) mm; bract blades of distal lateral spikes lanceolate or narrowly lanceolate, wider than spikes, concealing them, widest bract blade of distalmost lateral spike (2.9–)3.2–8.3 mm wide. Spikes 4(–5) per culm; lateral spikes 6–36 × 3–4.2 mm; terminal spike erect, linear, 4–18 × 1.2–1.6 mm, often hidden by distal 2 pistillate spikes and distal bract blade, frequently exceeded by distal 2 pistillate bracts. Pistillate scales oblong, 2.8–3.2 × 1.4–2 mm, apex obtuse or truncate, awnless (sometimes mucronate). Staminate scales oblong ovate, 2.8–3.2 × 1.4–2 mm, margins hyaline, apex obtuse. Anthers 2–2.2 mm. Perigynia 3–20 per spike, strongly to loosely overlapping, erect or ascending, obovate, 3–4.2 × 1.8–2.1 mm; beak abruptly bent, 0.3–0.6 mm. Achenes ovoid, 2.5–3.8 × 1.6–1.8 mm. 2n = 44. [details]

Taxonomic remark Source in seed data: wcs Update namepublishedIn from Bull. Torrey Bot. Club 20: 284 1893 to Bull. Torrey Bot. Club 20: 284 (1893), information provided by Alan E. on email Jun. 07 2021 More details could be found in [details]