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Cyperaceae taxon details

Carex paxii Kük.

1677915  (urn:lsid:marinespecies.org:taxname:1677915)

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Kükenthal, G. (1909). Cyperaceae-Caricoidae. <em>Das Pflanzenreich: regni vegetabilis conspectus.</em> 38, 4(20)., available online at https://www.biodiversitylibrary.org/page/31618144
page(s): 765 [details] OpenAccess publication
Description Rhizome short, oblique, indurate. Culms tufted, 12-55 cm tall, trigonous, scabrous above, clothed at base with dark brown...  
Description Rhizome short, oblique, indurate. Culms tufted, 12-55 cm tall, trigonous, scabrous above, clothed at base with dark brown sheaths disintegrating into fibers. Leaves shorter or longer than culms, blades linear, 1.5-2.5 mm wide, flat, margins scabrous, apex long acuminate. Lower involucral bracts setaceous, upper glumelike. Spicate inflorescence long cylindric, 3-6.5 × 5-10 mm; spikes numerous, androgynous, ovate, 5-7 mm. Female glumes yellowish brown, ovate, 2.2-3 × 1.5-2 mm, membranous, green 3-veined at middle. Utricles yellowish brown, slightly longer than glume, ovate-conic, plano-convex, 2.5-3.2 mm, subleathery, many veined on both faces, with several purple-red tubercles abaxially, base subrounded, spongy, shortly stipitate, margins from middle to apex with narrow denticulate wings, apex gradually narrowed into a beak, orifice 2-toothed. Nutlets loosely enveloped, ovate or subelliptic, biconvex, 1-1.2 × ca. 1 mm wide, lustrous, base shortly stipitate; stigmas 2. Fl. and fr. Jun-Sep. [details]

Taxonomic remark Source in seed data: wcs Update namepublishedIn from Pflanzenr. (Engler) Cyperac.-Caricoid. 765 (1909). to Pflanzenr. ,...  
Taxonomic remark Source in seed data: wcs Update namepublishedIn from Pflanzenr. (Engler) Cyperac.-Caricoid. 765 (1909). to Pflanzenr. , IV, 20(38): 765 (1909), 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 paxii Kük.. Accessed at: https://cyperaceae.org/aphia.php?p=taxdetails&id=1677915 on 2025-09-12
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 Kükenthal, G. (1909). Cyperaceae-Caricoidae. <em>Das Pflanzenreich: regni vegetabilis conspectus.</em> 38, 4(20)., available online at https://www.biodiversitylibrary.org/page/31618144
page(s): 765 [details] OpenAccess publication

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 TI 10194, geounit South Korea [details]
From editor or global species database
Additional information 2n=76 [details]

Description Rhizome short, oblique, indurate. Culms tufted, 12-55 cm tall, trigonous, scabrous above, clothed at base with dark brown sheaths disintegrating into fibers. Leaves shorter or longer than culms, blades linear, 1.5-2.5 mm wide, flat, margins scabrous, apex long acuminate. Lower involucral bracts setaceous, upper glumelike. Spicate inflorescence long cylindric, 3-6.5 × 5-10 mm; spikes numerous, androgynous, ovate, 5-7 mm. Female glumes yellowish brown, ovate, 2.2-3 × 1.5-2 mm, membranous, green 3-veined at middle. Utricles yellowish brown, slightly longer than glume, ovate-conic, plano-convex, 2.5-3.2 mm, subleathery, many veined on both faces, with several purple-red tubercles abaxially, base subrounded, spongy, shortly stipitate, margins from middle to apex with narrow denticulate wings, apex gradually narrowed into a beak, orifice 2-toothed. Nutlets loosely enveloped, ovate or subelliptic, biconvex, 1-1.2 × ca. 1 mm wide, lustrous, base shortly stipitate; stigmas 2. Fl. and fr. Jun-Sep. [details]

Taxonomic remark Source in seed data: wcs Update namepublishedIn from Pflanzenr. (Engler) Cyperac.-Caricoid. 765 (1909). to Pflanzenr. , IV, 20(38): 765 (1909), information provided by Alan E. on email Jun. 07 2021 More details could be found in [details]
LanguageName 
Japanese キビノミノボロスゲ  [details]