Cyperaceae taxon details
Carex yandangshanica C.Z.Zheng & X.F.Jin
1677409 (urn:lsid:marinespecies.org:taxname:1677409)
accepted
Species
terrestrial
Jin, X.-F.; Zheng, C. (2010). <i>Carex yandangshanica</i> sp. nov. (Cyperaceae; C. sect. <i>Rhomboidales</i>) from Zhejiang, China. <em>Nordic Journal of Botany.</em> 28(6): 709-712., available online at https://doi.org/10.1111/j.1756-1051.2010.00817.x
page(s): 709 [details] Available for editors
[request]
page(s): 709 [details] Available for editors
[request]
Holotype HTC, geounit Zhejiang
Holotype HTC, geounit Zhejiang [details]
Description Herbs perennial. Rhizome creeping, ligneous. Culms lateral, 40-60 cm tall, trigonous, smooth. Leaves shorter than culms;...
Taxonomic remark Source in seed data: wcs Update namepublishedIn from Nordic J. Bot. 28(6): 709 (-712; figs. 1-2). 2010 [15 Dec 2010] to...
Description Herbs perennial. Rhizome creeping, ligneous. Culms lateral, 40-60 cm tall, trigonous, smooth. Leaves shorter than culms; leaf-blade green, flat, leathery, trabeculate, 6-11 mm wide, scabrous on margins, acuminate at apex. Involucral bracts shortly leaf-like, shorter than inflorescence, sheathed; sheaths 1-2. 5 mm long, obliquely truncate at orifice. Inflorescence paniculate, with 3 spikes; terminal spike staminate, clavate or cylindrical, 3-4 cm long, 3-4 mm wide, with a 2. 5-5 cm long peduncle at base; lateral spikes pistillate, cylindrical, 2-3 cm long, 7-10 mm wide, densely flowered; peduncles slightly exserted from sheaths) or enclosed. Staminate scales lanceolate, yellowish brown, 8-9 mm long, acuminate at apex, brown 1-veined costa on dorsal surface. Pistillate scales elliptic, reddish brown, 6. 5-7 mm long (including awn), acuminate at apex, green 3-veined costa excurrent into a ca. 1.5 mm long awn. Perigynia ovoid or broadly ovoid (excluding beak), 7. 5-8 mm long, longer than pistillate scales (including beak), obliquely patent, obtusely trigonous, papery» brownish green, distinctly veined, sparsely pubescent, abruptly contracted into a ca. 3 cm long beak; orifice 2-lobed with long teeth. Stigmas 3; style thicken at base. Achenes tightly enveloped, rhombic-ovoid, trigonous, ca. 3 mm long (including beak)., yellowish brown or castaneous» with 3 angles constricted at middle, sides concave above and below, shortly slightly curved, stipitate at base, abruptly contracted into a short beak at apex, beak slightly curved, annulate at orifice.
[details]
[details]
Taxonomic remark Source in seed data: wcs Update namepublishedIn from Nordic J. Bot. 28(6): 709 (-712; figs. 1-2). 2010 [15 Dec 2010] to...
Taxonomic remark Source in seed data: wcs Update namepublishedIn from Nordic J. Bot. 28(6): 709 (-712; figs. 1-2). 2010 [15 Dec 2010] to Nordic J. Bot. 28: 709 (2010), 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 yandangshanica C.Z.Zheng & X.F.Jin. Accessed at: https://www.cyperaceae.org/aphia.php?p=taxdetails&id=1677409 on 2025-09-12
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2024-12-10 11:47:54Z
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db_admin
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Nomenclature
original description
Jin, X.-F.; Zheng, C. (2010). <i>Carex yandangshanica</i> sp. nov. (Cyperaceae; C. sect. <i>Rhomboidales</i>) from Zhejiang, China. <em>Nordic Journal of Botany.</em> 28(6): 709-712., available online at https://doi.org/10.1111/j.1756-1051.2010.00817.x
page(s): 709 [details] Available for editors [request]
basis of record Plants of the World Online (POWO). , available online at https://powo.science.kew.org/ [details]
page(s): 709 [details] Available for editors
[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 [request]
additional source Jin, X. F. & Chao-Zhong, Z. (2013). Taxonomy of Carex sect. Rhomboidales (Cyperaceae). [details] Available for editors [request]
[request]additional source Jin, X. F. & Chao-Zhong, Z. (2013). Taxonomy of Carex sect. Rhomboidales (Cyperaceae). [details] Available for editors
[request]
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Description Herbs perennial. Rhizome creeping, ligneous. Culms lateral, 40-60 cm tall, trigonous, smooth. Leaves shorter than culms; leaf-blade green, flat, leathery, trabeculate, 6-11 mm wide, scabrous on margins, acuminate at apex. Involucral bracts shortly leaf-like, shorter than inflorescence, sheathed; sheaths 1-2. 5 mm long, obliquely truncate at orifice. Inflorescence paniculate, with 3 spikes; terminal spike staminate, clavate or cylindrical, 3-4 cm long, 3-4 mm wide, with a 2. 5-5 cm long peduncle at base; lateral spikes pistillate, cylindrical, 2-3 cm long, 7-10 mm wide, densely flowered; peduncles slightly exserted from sheaths) or enclosed. Staminate scales lanceolate, yellowish brown, 8-9 mm long, acuminate at apex, brown 1-veined costa on dorsal surface. Pistillate scales elliptic, reddish brown, 6. 5-7 mm long (including awn), acuminate at apex, green 3-veined costa excurrent into a ca. 1.5 mm long awn. Perigynia ovoid or broadly ovoid (excluding beak), 7. 5-8 mm long, longer than pistillate scales (including beak), obliquely patent, obtusely trigonous, papery» brownish green, distinctly veined, sparsely pubescent, abruptly contracted into a ca. 3 cm long beak; orifice 2-lobed with long teeth. Stigmas 3; style thicken at base. Achenes tightly enveloped, rhombic-ovoid, trigonous, ca. 3 mm long (including beak)., yellowish brown or castaneous» with 3 angles constricted at middle, sides concave above and below, shortly slightly curved, stipitate at base, abruptly contracted into a short beak at apex, beak slightly curved, annulate at orifice.[details]
Taxonomic remark Source in seed data: wcs Update namepublishedIn from Nordic J. Bot. 28(6): 709 (-712; figs. 1-2). 2010 [15 Dec 2010] to Nordic J. Bot. 28: 709 (2010), information provided by Alan E. on email Jun. 07 2021 More details could be found in [details]
