Cyperaceae taxon details
Carex obscura Nees
1676624 (urn:lsid:marinespecies.org:taxname:1676624)
accepted
Species
terrestrial
Nees, C.G.D. (1834). Cyperaceae Indicae. <em>In Wight, R. (ed). Contributions to the Botany of India (Compositae, Asclepiadaceae and Cyperaceae).</em> No. III. Parburry, Allen & co., London.
page(s): 126 [details]
page(s): 126 [details]
Holotype K 000998978, geounit Nepal
Holotype K 000998978, geounit Nepal [details]
Description Perennial, 20-50 cm. Rhizome sturdy, ascending, scales grey or dark brown, disintegrating into fibres. Stem sharply...
Taxonomic remark Source in seed data: wcs Update namepublishedIn from in Wight, Contrib. 126. to Contr. Bot. India : 126 (1834),...
Description Perennial, 20-50 cm. Rhizome sturdy, ascending, scales grey or dark brown, disintegrating into fibres. Stem sharply trigonous, sides in upper part often concave, edges smooth or scabrous. Leaves equal to or overtopping stem; sheaths 20-50 mm, chestnut brown, disintegrating into fibres, margin of scarious side concave; ligule c. 0.3 mm, slightly arched; blades 3.5-4.5 mm wide, flat, keeled, margins slightly revolute, scabrous towards long-acuminate apex. Inflorescence of 1 male or gynecandrous spike and 3-6 female spikes below; bracts to much overtopping inflorescence, sheath-less; male glumes c. 3.9 x 2.4 mm, obovate or elliptic, dark reddish brown, apex rounded, mucronate and sometimes with a narrowly scarious margin; female spikes 10-32 x 4-5 mm, closely overlapping, cylindrical or ellipsoid, sessile or lowest remote with peduncle to 25 mm; female glumes 1.8-2.5 x 1.4-1.5 mm, elliptic, acute or with mucro up to 0.3 mm, dark reddish brown, papillose, occasionally scabrous; utricles 2.2-2.7 x 1-1.3 mm, ellipsoid to obovoid, obscurely nerved, yellowish green, papillose and occasionally scabrous, beak 0.2-0.3 mm, conical or cylindrical, truncate or shallowly bidentate, papillose, nerves scabrous. Stigmas 3. Nut 2.8 x 2 mm, incl. style base up to 0.3 mm, ellipsoid or obovoid, trigonous, yellowish brown, reticulate with papilla in each areole. [details]
Taxonomic remark Source in seed data: wcs Update namepublishedIn from in Wight, Contrib. 126. to Contr. Bot. India : 126 (1834),...
Taxonomic remark Source in seed data: wcs Update namepublishedIn from in Wight, Contrib. 126. to Contr. Bot. India : 126 (1834), 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 obscura Nees. Accessed at: https://www.cyperaceae.org/aphia.php?p=taxdetails&id=1676624 on 2025-09-14
Date
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by
2024-12-10 11:47:54Z
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db_admin
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Nomenclature
original description
Nees, C.G.D. (1834). Cyperaceae Indicae. <em>In Wight, R. (ed). Contributions to the Botany of India (Compositae, Asclepiadaceae and Cyperaceae).</em> No. III. Parburry, Allen & co., London.
page(s): 126 [details]
basis of record Plants of the World Online (POWO). , available online at https://powo.science.kew.org/ [details]
page(s): 126 [details]
basis of record Plants of the World Online (POWO). , available online at https://powo.science.kew.org/ [details]
Present Inaccurate Introduced: alien Containing type locality
Holotype K 000998978, geounit Nepal [details]
From editor or global species database
Description Perennial, 20-50 cm. Rhizome sturdy, ascending, scales grey or dark brown, disintegrating into fibres. Stem sharply trigonous, sides in upper part often concave, edges smooth or scabrous. Leaves equal to or overtopping stem; sheaths 20-50 mm, chestnut brown, disintegrating into fibres, margin of scarious side concave; ligule c. 0.3 mm, slightly arched; blades 3.5-4.5 mm wide, flat, keeled, margins slightly revolute, scabrous towards long-acuminate apex. Inflorescence of 1 male or gynecandrous spike and 3-6 female spikes below; bracts to much overtopping inflorescence, sheath-less; male glumes c. 3.9 x 2.4 mm, obovate or elliptic, dark reddish brown, apex rounded, mucronate and sometimes with a narrowly scarious margin; female spikes 10-32 x 4-5 mm, closely overlapping, cylindrical or ellipsoid, sessile or lowest remote with peduncle to 25 mm; female glumes 1.8-2.5 x 1.4-1.5 mm, elliptic, acute or with mucro up to 0.3 mm, dark reddish brown, papillose, occasionally scabrous; utricles 2.2-2.7 x 1-1.3 mm, ellipsoid to obovoid, obscurely nerved, yellowish green, papillose and occasionally scabrous, beak 0.2-0.3 mm, conical or cylindrical, truncate or shallowly bidentate, papillose, nerves scabrous. Stigmas 3. Nut 2.8 x 2 mm, incl. style base up to 0.3 mm, ellipsoid or obovoid, trigonous, yellowish brown, reticulate with papilla in each areole. [details]Taxonomic remark Source in seed data: wcs Update namepublishedIn from in Wight, Contrib. 126. to Contr. Bot. India : 126 (1834), information provided by Alan E. on email Jun. 07 2021 More details could be found in [details]
To Biodiversity Heritage Library (14 publications)
To European Nucleotide Archive, ENA (Carex obscura)
To GenBank (10 nucleotides; 3 proteins)
To International Plant Names Index (IPNI)
To Plants of the World Online
To Royal Botanic Gardens, Kew (Carex obscura K000998978 type 1)
To Royal Botanic Gardens, Kew (Carex obscura K000998978 type 2)
To European Nucleotide Archive, ENA (Carex obscura)
To GenBank (10 nucleotides; 3 proteins)
To International Plant Names Index (IPNI)
To Plants of the World Online
To Royal Botanic Gardens, Kew (Carex obscura K000998978 type 1)
To Royal Botanic Gardens, Kew (Carex obscura K000998978 type 2)
From editor or global species database
Hosted externally
Hosted externally
