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Cyperaceae taxon details

Carex shuangbaiensis L.K.Dai

1677114  (urn:lsid:marinespecies.org:taxname:1677114)

accepted
Species
terrestrial
Dai, L.-K. (1999). New taxa of <i>Carex</i> L. (Cyperaceae) from China (II). <em>Acta Phytotaxonomica Sinica.</em> 37(2): 177-188.
page(s): 187 [details] Available for editors  PDF available [request]
Holotype  K, geounit Yunnan  
Holotype K, geounit Yunnan [details]
Description Rhizome short. Culms ca. 75 cm tall, obtusely trigonous, smooth. Leaves cauline and basal, shorter than or subequaling...  
Description Rhizome short. Culms ca. 75 cm tall, obtusely trigonous, smooth. Leaves cauline and basal, shorter than or subequaling culm, blades 3-6 mm wide, smooth on both surfaces, base plicate and flattened distally, upper margins scabrous; sheaths long, brownish, adaxially membranous, usually split. Involucral bracts leaflike, upper blade linear; lowest sheath ca. 3 cm, upper rather short. Spikes 10 or more, 3 or 4 spikes racemosely disposed and 3-5 racemes composed in a narrowly conic panicle, androgynous, female part longer than male part, cylindric, male part linear, (1-)2.5-4 cm; peduncles very short or nearly absent. Female glumes brownish yellow, ovate, 2-2.5 mm, membranous, green 1-veined, apex acute, mucronate. Utricles stramineous, longer than glume, obliquely patent, obovate-elliptic or obovate-oblong, trigonous, ca. 3.5 mm, membranous, 3-veined abaxially, base stipitate, apex abruptly attenuate into a short beak, beak slightly recurved, shortly 2-toothed at orifice. Nutlets brownish yellow, tightly enveloped, elliptic, trigonous, ca. 2 mm, base estipitate, apex mucronate; stigmas 3.  [details]
Cyperaceae Working Group. (2025). [see How to cite]. Global Cyperaceae Database. Carex shuangbaiensis L.K.Dai. Accessed at: https://cyperaceae.org/aphia.php?p=taxdetails&id=1677114 on 2025-09-13
Date
action
by
2023-09-06 07:28:28Z
created
2024-12-10 11:47:54Z
unchecked
db_admin
2025-03-11 11:15:46Z
changed
2025-05-14 12:34:22Z
changed

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Nomenclature

original description Dai, L.-K. (1999). New taxa of <i>Carex</i> L. (Cyperaceae) from China (II). <em>Acta Phytotaxonomica Sinica.</em> 37(2): 177-188.
page(s): 187 [details] Available for editors  PDF available [request]

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 K, geounit Yunnan [details]
From editor or global species database
Description Rhizome short. Culms ca. 75 cm tall, obtusely trigonous, smooth. Leaves cauline and basal, shorter than or subequaling culm, blades 3-6 mm wide, smooth on both surfaces, base plicate and flattened distally, upper margins scabrous; sheaths long, brownish, adaxially membranous, usually split. Involucral bracts leaflike, upper blade linear; lowest sheath ca. 3 cm, upper rather short. Spikes 10 or more, 3 or 4 spikes racemosely disposed and 3-5 racemes composed in a narrowly conic panicle, androgynous, female part longer than male part, cylindric, male part linear, (1-)2.5-4 cm; peduncles very short or nearly absent. Female glumes brownish yellow, ovate, 2-2.5 mm, membranous, green 1-veined, apex acute, mucronate. Utricles stramineous, longer than glume, obliquely patent, obovate-elliptic or obovate-oblong, trigonous, ca. 3.5 mm, membranous, 3-veined abaxially, base stipitate, apex abruptly attenuate into a short beak, beak slightly recurved, shortly 2-toothed at orifice. Nutlets brownish yellow, tightly enveloped, elliptic, trigonous, ca. 2 mm, base estipitate, apex mucronate; stigmas 3.  [details]