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Cyperaceae taxon details

Carex pansa L.H.Bailey

1677888  (urn:lsid:marinespecies.org:taxname:1677888)

accepted
Species
terrestrial
Bailey, L.H. (1888). Notes on Carex. IX. <em>Botanical Gazette.</em> 13., available online at https://www.biodiversitylibrary.org/page/28466880
page(s): 82 [details] OpenAccess publication
Description Rhizomes coarse, 1.8–2.6 mm thick, typically with long, unbranched segments from which shoots arise singly every few...  
Description Rhizomes coarse, 1.8–2.6 mm thick, typically with long, unbranched segments from which shoots arise singly every few nodes. Culms sharply trigonous, 8–40 cm, scabrous-angled distally. Leaves: basal sheaths dark brown; sheaths with hyaline inner band, apex not prolonged, glabrous; ligules 0–1.2 mm; blades 1.7–3.8 mm wide. Inflorescences 1.2–2.5 cm; spikes 3–12, usually unisexual; staminate spikes lanceoloid; pistillate spikes compact, ovoid. Pistillate scales dark reddish brown to nearly purple-black, with broad hyaline margins, ovate, apex acute to acuminate-awned, shiny. Anthers 1.7–3.1 mm, apiculus bristly hairy (30X). Perigynia dark brown to nearly black at maturity, essentially veinless adaxially, usually ± stipitate, ovate, plano-convex, 3.1–4.2 × 1.3–1.8 mm, dull; beak 0.7–1.5 mm, apex ± hyaline, obscurely bidentate. [details]

Taxonomic remark Source in seed data: wcs Update namepublishedIn from Bot. Gaz. 13: 82. 1888 to Bot. Gaz. 13: 82 (1888), information...  
Taxonomic remark Source in seed data: wcs Update namepublishedIn from Bot. Gaz. 13: 82. 1888 to Bot. Gaz. 13: 82 (1888), information provided by Alan E. on email Jun. 07 2021 More details could be found in Th [details]
Cyperaceae Working Group. (2025). [see How to cite]. Global Cyperaceae Database. Carex pansa L.H.Bailey. Accessed at: https://cyperaceae.org/aphia.php?p=taxdetails&id=1677888 on 2025-09-14
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 Bailey, L.H. (1888). Notes on Carex. IX. <em>Botanical Gazette.</em> 13., available online at https://www.biodiversitylibrary.org/page/28466880
page(s): 82 [details] OpenAccess publication

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 CAS 0032451, geounit United States [details]
From editor or global species database
Description Rhizomes coarse, 1.8–2.6 mm thick, typically with long, unbranched segments from which shoots arise singly every few nodes. Culms sharply trigonous, 8–40 cm, scabrous-angled distally. Leaves: basal sheaths dark brown; sheaths with hyaline inner band, apex not prolonged, glabrous; ligules 0–1.2 mm; blades 1.7–3.8 mm wide. Inflorescences 1.2–2.5 cm; spikes 3–12, usually unisexual; staminate spikes lanceoloid; pistillate spikes compact, ovoid. Pistillate scales dark reddish brown to nearly purple-black, with broad hyaline margins, ovate, apex acute to acuminate-awned, shiny. Anthers 1.7–3.1 mm, apiculus bristly hairy (30X). Perigynia dark brown to nearly black at maturity, essentially veinless adaxially, usually ± stipitate, ovate, plano-convex, 3.1–4.2 × 1.3–1.8 mm, dull; beak 0.7–1.5 mm, apex ± hyaline, obscurely bidentate. [details]

Taxonomic remark Source in seed data: wcs Update namepublishedIn from Bot. Gaz. 13: 82. 1888 to Bot. Gaz. 13: 82 (1888), information provided by Alan E. on email Jun. 07 2021 More details could be found in Th [details]