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Cyperaceae taxon details

Carex satsumensis Franch. & Sav.

1677038  (urn:lsid:marinespecies.org:taxname:1677038)

accepted
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Franchet, A. & Savatier, L. (1878). Enumeratio plantarum : in Japonia sponte crescentium hucusque rite cognitarum, adjectis descriptionibus specierum pro regione novarum, quibus accedit determinatio herbarum in libris japonicis. 2., available online at https://www.biodiversitylibrary.org/page/6210685#page/3/mode/1up
page(s): 558 [details] 
Holotype  P 00300287, geounit Japan  
Holotype P 00300287, geounit Japan [details]
Description Rhizome elongate and creeping. Culms loosely tufted, triangular, 7-20 × ca. 0.15 cm, glabrous, striate. Leaves shorter or...  
Description Rhizome elongate and creeping. Culms loosely tufted, triangular, 7-20 × ca. 0.15 cm, glabrous, striate. Leaves shorter or longer than culms, flat, 1.5-7 mm wide, slightly stiff, glabrous; basal leaf sheaths blackish brown, fibriform. Involucral bracts linear, shorter than inflorescence, without sheaths. Inflorescence spicate, terminal, oblong-cylindric, 3-8 × 1-1.7 cm. Spikes numerous, androgynous, dense and patent, oblong, arising from cladoprophylls with a developed female flower inside, several basal ones sometimes branched; male part of spikelet tiny, 2-3 mm, with 4 or 5 flowers; female part with numerous and dense flowers; male glumes pale yellow or pale brown, lanceolate, 2.5-3 mm, membranous, apex acuminate; female glumes pale yellow or pale brown laterally, ovate, 2-2.5 mm, membranous, with 1 midrib, margins hyaline, apex acute. Utricles pale yellow-brown at maturity, patent, slightly longer than glumes, oblong-lanceolate, bluntly trigonous, 2.5-3 mm, membranous, with 2 raised lateral veins and several fine veins abaxially, nerveless and paler adaxially, base contracted abruptly into a short stipe, apex attenuate into a long beak, orifice obliquely truncate. Nutlet pale yellow at maturity, oblong, bluntly trigonous, ca. 1.5 mm, base attenuate, apex not apiculate; style base slightly thickened; stigmas 3. [details]

Taxonomic remark Source in seed data: wcs Updated scientificnameAuthorship from Franch. & Sav. to Franch. & Sav, information provided by...  
Taxonomic remark Source in seed data: wcs Updated scientificnameAuthorship from Franch. & Sav. to Franch. & Sav, information provided by Alan E. on email Oct. 12 2020 More details could be found in The Plant L [details]
Cyperaceae Working Group. (2025). [see How to cite]. Global Cyperaceae Database. Carex satsumensis Franch. & Sav.. Accessed at: https://cyperaceae.org/aphia.php?p=taxdetails&id=1677038 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 Franchet, A. & Savatier, L. (1878). Enumeratio plantarum : in Japonia sponte crescentium hucusque rite cognitarum, adjectis descriptionibus specierum pro regione novarum, quibus accedit determinatio herbarum in libris japonicis. 2., available online at https://www.biodiversitylibrary.org/page/6210685#page/3/mode/1up
page(s): 558 [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 
   

Holotype P 00300287, geounit Japan [details]
From editor or global species database
Additional information 2n=38 [details]

Additional information 2n=36, 38 [details]

Description Rhizome elongate and creeping. Culms loosely tufted, triangular, 7-20 × ca. 0.15 cm, glabrous, striate. Leaves shorter or longer than culms, flat, 1.5-7 mm wide, slightly stiff, glabrous; basal leaf sheaths blackish brown, fibriform. Involucral bracts linear, shorter than inflorescence, without sheaths. Inflorescence spicate, terminal, oblong-cylindric, 3-8 × 1-1.7 cm. Spikes numerous, androgynous, dense and patent, oblong, arising from cladoprophylls with a developed female flower inside, several basal ones sometimes branched; male part of spikelet tiny, 2-3 mm, with 4 or 5 flowers; female part with numerous and dense flowers; male glumes pale yellow or pale brown, lanceolate, 2.5-3 mm, membranous, apex acuminate; female glumes pale yellow or pale brown laterally, ovate, 2-2.5 mm, membranous, with 1 midrib, margins hyaline, apex acute. Utricles pale yellow-brown at maturity, patent, slightly longer than glumes, oblong-lanceolate, bluntly trigonous, 2.5-3 mm, membranous, with 2 raised lateral veins and several fine veins abaxially, nerveless and paler adaxially, base contracted abruptly into a short stipe, apex attenuate into a long beak, orifice obliquely truncate. Nutlet pale yellow at maturity, oblong, bluntly trigonous, ca. 1.5 mm, base attenuate, apex not apiculate; style base slightly thickened; stigmas 3. [details]

Taxonomic remark Source in seed data: wcs Updated scientificnameAuthorship from Franch. & Sav. to Franch. & Sav, information provided by Alan E. on email Oct. 12 2020 More details could be found in The Plant L [details]
    Definitions

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LanguageName 
Japanese アブラシバ(Aburashiba)  [details]