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Cyperaceae taxon details

Carex ussuriensis Kom.

1677335  (urn:lsid:marinespecies.org:taxname:1677335)

accepted
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terrestrial
Komarov, V. L. (1901). Species novae florae Asiae orientalis. (Manshuriae et Korea borealis). <em>Trudy Imperatorskago S.-Peterburgskago botanicheskago sada.</em> 18: 417-449., available online at https://www.biodiversitylibrary.org/page/15640805#page/442/mode/1up
page(s): 443 [details] 
Description Rhizome stoloniferous, stolons slender. Culms loosely tufted, 20-40 cm tall, obtusely trigonous, smooth, bladeless sheathed...  
Description Rhizome stoloniferous, stolons slender. Culms loosely tufted, 20-40 cm tall, obtusely trigonous, smooth, bladeless sheathed at base. Leaves nearly equaling height of culm, blades ca. 0.5 mm wide, slightly revolute on margins, slightly soft, yellow-brown sheathed. Involucral bracts sheathlike, up to 2 cm, broadly membranous on margin of sheathing mouth, without involucral bract leaf. Spikes 2 or 3, slightly remote; terminal spike male, usually surpassing adjacent female spike, lanceolate-linear, 1-2 cm; lateral spikes female, oblong, 0.5-1 cm, very loosely 2-4-flowered; rachis flexuose; peduncles slender, up to 3 cm. Female glumes yellowish, ovate or subelliptic, ca. 3 mm, membranous, 1-veined, basal part enclosing rachis, margins broadly hyaline, apex hard mucronate. Utricles yellow-green, dark brown at maturity, suberect, nearly equaling glume, obovate, indistinctly trigonous, ca. 3 mm, subleathery, not shiny, glabrous, several slightly concave veined, base broadly truncate or subrounded, apex abruptly narrowed to a short beak, orifice truncate. Nutlets rather tightly enveloped in utricle, obovate, trigonous, ca. 2 mm; style base thickened; stigmas 3, slender. [details]

Taxonomic remark Source in seed data: wcs Update namepublishedIn from Trudy Imp. S.-Peterburgsk. Bot. Sada xviii. 443. to Trudy Imp....  
Taxonomic remark Source in seed data: wcs Update namepublishedIn from Trudy Imp. S.-Peterburgsk. Bot. Sada xviii. 443. to Trudy Imp. S.-Peterburgsk. Bot. Sada 18: 443 (1901), 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 ussuriensis Kom.. Accessed at: https://cyperaceae.org/aphia.php?p=taxdetails&id=1677335 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 Komarov, V. L. (1901). Species novae florae Asiae orientalis. (Manshuriae et Korea borealis). <em>Trudy Imperatorskago S.-Peterburgskago botanicheskago sada.</em> 18: 417-449., available online at https://www.biodiversitylibrary.org/page/15640805#page/442/mode/1up
page(s): 443 [details] 

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

Other

additional source Li, B. Z.; Zhang, S. R. (2024). An updated species checklist and taxonomic synopsis of Cyperaceae in China. <em>Biodiversity Science.</em> 32(7): 24106., available online at https://doi.org/10.17520/biods.2024106 [details] Available for editors  PDF available [request]

 
 Present  Inaccurate  Introduced: alien  Containing type locality 
   

Syntype LE 01001927, geounit North Korea [details]
From editor or global species database
Description Rhizome stoloniferous, stolons slender. Culms loosely tufted, 20-40 cm tall, obtusely trigonous, smooth, bladeless sheathed at base. Leaves nearly equaling height of culm, blades ca. 0.5 mm wide, slightly revolute on margins, slightly soft, yellow-brown sheathed. Involucral bracts sheathlike, up to 2 cm, broadly membranous on margin of sheathing mouth, without involucral bract leaf. Spikes 2 or 3, slightly remote; terminal spike male, usually surpassing adjacent female spike, lanceolate-linear, 1-2 cm; lateral spikes female, oblong, 0.5-1 cm, very loosely 2-4-flowered; rachis flexuose; peduncles slender, up to 3 cm. Female glumes yellowish, ovate or subelliptic, ca. 3 mm, membranous, 1-veined, basal part enclosing rachis, margins broadly hyaline, apex hard mucronate. Utricles yellow-green, dark brown at maturity, suberect, nearly equaling glume, obovate, indistinctly trigonous, ca. 3 mm, subleathery, not shiny, glabrous, several slightly concave veined, base broadly truncate or subrounded, apex abruptly narrowed to a short beak, orifice truncate. Nutlets rather tightly enveloped in utricle, obovate, trigonous, ca. 2 mm; style base thickened; stigmas 3, slender. [details]

Taxonomic remark Source in seed data: wcs Update namepublishedIn from Trudy Imp. S.-Peterburgsk. Bot. Sada xviii. 443. to Trudy Imp. S.-Peterburgsk. Bot. Sada 18: 443 (1901), information provided by Alan E. on email Jun. 07 2021 More details could be found in [details]