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Cyperaceae taxon details

Carex fissa Mack.

1677723  (urn:lsid:marinespecies.org:taxname:1677723)

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terrestrial
Mackenzie, K. K. (1931). North American Flora. , Vol. 18, Part 2;(Poales),(Cyperaceae), Cariceae(Continuatio), pp. 58. Nre Yoir Botanical Garden., available online at https://archive.org/details/northamericanflo182newy/page/n5/mode/2up
page(s): 64 [details] 
Holotype  NY 00688239, geounit Oklahoma  
Holotype NY 00688239, geounit Oklahoma [details]
Description Culms to 80 cm × 3–8 mm, scabrous. Leaves: sheath fronts not spotted, slightly thickened near hyaline margins, apex...  
Description Culms to 80 cm × 3–8 mm, scabrous. Leaves: sheath fronts not spotted, slightly thickened near hyaline margins, apex convex, membranous, rugose; ligule retuse or rounded, to 3 mm, free limb to 0.2 mm; blades 60 cm × 5 mm, shorter than flowering stem. Inflorescences spicate, 3–7 cm × 15–25 mm, with 10–15 branches, proximal branches not distinctly separate; the proximal internode to 10 mm; bracts setaceous, usually only the proximal conspicuous. Scales hyaline, pale brown, becoming colorless with green midrib, awn usually not longer than the body. Perigynia pale brown, body broadly ovate, 3.2–4 × 2–2.6 mm, base rounded or cordate, apex abruptly contracted to beak; beak 1.3–1.5 mm, 1/3 length of perigynium. Achenes brown, ovate, 1.5–1.9 × 1.2–1.6 mm, dull. [details]

Taxonomic remark Source in seed data: wcs Update namepublishedIn from N. Amer. Fl. 18: 64 1931 to N. Amer. Fl. 18: 64 (1931), information...  
Taxonomic remark Source in seed data: wcs Update namepublishedIn from N. Amer. Fl. 18: 64 1931 to N. Amer. Fl. 18: 64 (1931), 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 fissa Mack.. Accessed at: https://cyperaceae.org/aphia.php?p=taxdetails&id=1677723 on 2025-09-12
Date
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2023-09-06 07:28:28Z
created
2024-12-10 11:47:54Z
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2025-03-11 11:19:03Z
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Nomenclature

original description Mackenzie, K. K. (1931). North American Flora. , Vol. 18, Part 2;(Poales),(Cyperaceae), Cariceae(Continuatio), pp. 58. Nre Yoir Botanical Garden., available online at https://archive.org/details/northamericanflo182newy/page/n5/mode/2up
page(s): 64 [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 
   

Holotype NY 00688239, geounit Oklahoma [details]
From editor or global species database
Description Culms to 80 cm × 3–8 mm, scabrous. Leaves: sheath fronts not spotted, slightly thickened near hyaline margins, apex convex, membranous, rugose; ligule retuse or rounded, to 3 mm, free limb to 0.2 mm; blades 60 cm × 5 mm, shorter than flowering stem. Inflorescences spicate, 3–7 cm × 15–25 mm, with 10–15 branches, proximal branches not distinctly separate; the proximal internode to 10 mm; bracts setaceous, usually only the proximal conspicuous. Scales hyaline, pale brown, becoming colorless with green midrib, awn usually not longer than the body. Perigynia pale brown, body broadly ovate, 3.2–4 × 2–2.6 mm, base rounded or cordate, apex abruptly contracted to beak; beak 1.3–1.5 mm, 1/3 length of perigynium. Achenes brown, ovate, 1.5–1.9 × 1.2–1.6 mm, dull. [details]

Taxonomic remark Source in seed data: wcs Update namepublishedIn from N. Amer. Fl. 18: 64 1931 to N. Amer. Fl. 18: 64 (1931), information provided by Alan E. on email Jun. 07 2021 More details could be found in [details]