Cyperaceae taxon details
Carex stevenii (Holm) Kalela
1676068 (urn:lsid:marinespecies.org:taxname:1676068)
accepted
Species
Carex alpina var. stevenii Holm · unaccepted
Carex angarae var. stevenii (Holm) A.E.Porsild · unaccepted
Carex media var. stevenii (Holm) Fernald · unaccepted
Carex norvegica subsp. stevenii (Holm) D.F.Murray · unaccepted
Carex norvegica var. stevenii (Holm) Dorn · unaccepted
Carex vahlii var. stevenii (Holm) Fernald · unaccepted
terrestrial
(of Carex alpina var. stevenii Holm) Holm, T. (1903). Studies in the Cyperaceae. XIX. The genus Carex in Colorado. American Journal of Science, 16: 17-44., available online at https://ajsonline.org/article/126376.pdf
page(s): 21. 27 [details]
page(s): 21. 27 [details]
Description Plants loosely cespitose. Culms 15–60 cm, distally finely scabrous. Leaves 3–4 mm wide. Inflorescences: proximal bracts...
Taxonomic remark Source in seed data: wcs Update namepublishedIn from Ann. Bot. Soc. Zool.-Bot. Fenn. "Vanamo" 19(3): 11 1944 to Ann. Bot....
Description Plants loosely cespitose. Culms 15–60 cm, distally finely scabrous. Leaves 3–4 mm wide. Inflorescences: proximal bracts shorter than or exceeding inflorescences; spikes overlapping, distinct, contiguous, short-oblong or cylindric, 5–15 × 3–4.5 mm; lateral 2–3 spikes pistillate; proximal spikes separate, erect, short-pendunculate; distal lateral contiguous or separate, not forming dense terminal cluster, of similar length; terminal spike gynecandrous. Pistillate scales dark brown to black, margins hyaline, ovate, shorter than and as broad as perigynia, midvein same color as body, inconspicuous. Perigynia ascending, green becoming dark brown or purple-black, veinless, elliptic, 2–2.5 × 1.25–1.5 mm, frequently serrulate, apex abruptly or gradually beaked, smooth or distal margins sparsely papillose; beak 0.2–0.3 mm, shallowly bidentate, serrulate or smooth. Achenes nearly filling body of perigynia. [details]
Taxonomic remark Source in seed data: wcs Update namepublishedIn from Ann. Bot. Soc. Zool.-Bot. Fenn. "Vanamo" 19(3): 11 1944 to Ann. Bot....
Taxonomic remark Source in seed data: wcs Update namepublishedIn from Ann. Bot. Soc. Zool.-Bot. Fenn. "Vanamo" 19(3): 11 1944 to Ann. Bot. Soc. Zool.-Bot. Fenn. "Vanamo" 19(3): 11 (1944), information provided by Alan E. on email Jun. 07 2021 More details could be found [details]
Cyperaceae Working Group. (2025). [see How to cite]. Global Cyperaceae Database. Carex stevenii (Holm) Kalela. Accessed at: https://www.cyperaceae.org/aphia.php?p=taxdetails&id=1676068 on 2025-09-14
Date
action
by
2024-12-10 11:47:54Z
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db_admin
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Nomenclature
original description
(of Carex alpina var. stevenii Holm) Holm, T. (1903). Studies in the Cyperaceae. XIX. The genus Carex in Colorado. American Journal of Science, 16: 17-44., available online at https://ajsonline.org/article/126376.pdf
page(s): 21. 27 [details]
basis of record Plants of the World Online (POWO). , available online at https://powo.science.kew.org/ [details]
new combination reference Kakela, A. (1944). <em>Annales Botanici Societatis Zoologicae-Botanicae Fennicae Vanamo.</em> 19(3).
page(s): 11 [details]
page(s): 21. 27 [details]
basis of record Plants of the World Online (POWO). , available online at https://powo.science.kew.org/ [details]
new combination reference Kakela, A. (1944). <em>Annales Botanici Societatis Zoologicae-Botanicae Fennicae Vanamo.</em> 19(3).
page(s): 11 [details]




Isolectotype (of Carex alpina var. stevenii Holm) US 00050642, geounit Colorado [details]
From editor or global species database
Description Plants loosely cespitose. Culms 15–60 cm, distally finely scabrous. Leaves 3–4 mm wide. Inflorescences: proximal bracts shorter than or exceeding inflorescences; spikes overlapping, distinct, contiguous, short-oblong or cylindric, 5–15 × 3–4.5 mm; lateral 2–3 spikes pistillate; proximal spikes separate, erect, short-pendunculate; distal lateral contiguous or separate, not forming dense terminal cluster, of similar length; terminal spike gynecandrous. Pistillate scales dark brown to black, margins hyaline, ovate, shorter than and as broad as perigynia, midvein same color as body, inconspicuous. Perigynia ascending, green becoming dark brown or purple-black, veinless, elliptic, 2–2.5 × 1.25–1.5 mm, frequently serrulate, apex abruptly or gradually beaked, smooth or distal margins sparsely papillose; beak 0.2–0.3 mm, shallowly bidentate, serrulate or smooth. Achenes nearly filling body of perigynia. [details]Taxonomic remark Source in seed data: wcs Update namepublishedIn from Ann. Bot. Soc. Zool.-Bot. Fenn. "Vanamo" 19(3): 11 1944 to Ann. Bot. Soc. Zool.-Bot. Fenn. "Vanamo" 19(3): 11 (1944), information provided by Alan E. on email Jun. 07 2021 More details could be found [details]
To Biodiversity Heritage Library (7 publications)
To European Nucleotide Archive, ENA (Carex stevenii)
To GenBank (12 nucleotides; 2 proteins)
To International Plant Names Index (IPNI)
To International Plant Names Index (IPNI) (from synonym Carex norvegica subsp. stevenii (Holm) D.F.Murray)
To International Plant Names Index (IPNI) (from synonym Carex alpina var. stevenii Holm)
To International Plant Names Index (IPNI) (from synonym Carex media var. stevenii (Holm) Fernald)
To International Plant Names Index (IPNI) (from synonym Carex norvegica var. stevenii (Holm) Dorn)
To International Plant Names Index (IPNI) (from synonym Carex angarae var. stevenii (Holm) A.E.Porsild)
To International Plant Names Index (IPNI) (from synonym Carex vahlii var. stevenii (Holm) Fernald)
To Plants of the World Online (from synonym Carex media var. stevenii (Holm) Fernald)
To Plants of the World Online (from synonym Carex vahlii var. stevenii (Holm) Fernald)
To Plants of the World Online (from synonym Carex angarae var. stevenii (Holm) A.E.Porsild)
To Plants of the World Online (from synonym Carex norvegica var. stevenii (Holm) Dorn)
To Plants of the World Online (from synonym Carex alpina var. stevenii Holm)
To Plants of the World Online (from synonym Carex norvegica subsp. stevenii (Holm) D.F.Murray)
To Plants of the World Online
To US Herbarium (Carex alpina stevenii US84992 type 1) (from synonym Carex alpina var. stevenii Holm)
To European Nucleotide Archive, ENA (Carex stevenii)
To GenBank (12 nucleotides; 2 proteins)
To International Plant Names Index (IPNI)
To International Plant Names Index (IPNI) (from synonym Carex norvegica subsp. stevenii (Holm) D.F.Murray)
To International Plant Names Index (IPNI) (from synonym Carex alpina var. stevenii Holm)
To International Plant Names Index (IPNI) (from synonym Carex media var. stevenii (Holm) Fernald)
To International Plant Names Index (IPNI) (from synonym Carex norvegica var. stevenii (Holm) Dorn)
To International Plant Names Index (IPNI) (from synonym Carex angarae var. stevenii (Holm) A.E.Porsild)
To International Plant Names Index (IPNI) (from synonym Carex vahlii var. stevenii (Holm) Fernald)
To Plants of the World Online (from synonym Carex media var. stevenii (Holm) Fernald)
To Plants of the World Online (from synonym Carex vahlii var. stevenii (Holm) Fernald)
To Plants of the World Online (from synonym Carex angarae var. stevenii (Holm) A.E.Porsild)
To Plants of the World Online (from synonym Carex norvegica var. stevenii (Holm) Dorn)
To Plants of the World Online (from synonym Carex alpina var. stevenii Holm)
To Plants of the World Online (from synonym Carex norvegica subsp. stevenii (Holm) D.F.Murray)
To Plants of the World Online
To US Herbarium (Carex alpina stevenii US84992 type 1) (from synonym Carex alpina var. stevenii Holm)
From editor or global species database
Hosted externally, from synonym