Cyperaceae taxon details
Carex swanii (Fernald) Mack.
1676134 (urn:lsid:marinespecies.org:taxname:1676134)
accepted
Species
Carex virescens var. swanii Fernald · unaccepted
terrestrial
Not documented
Description Culms 15–75 cm, sparsely pilose. Leaves: ligules longer than wide; blades 1.5–3 mm wide, pilose. Inflorescences: lateral...
Description Culms 15–75 cm, sparsely pilose. Leaves: ligules longer than wide; blades 1.5–3 mm wide, pilose. Inflorescences: lateral spikes 5–15(–19) × 2–4 mm, proximal distant; terminal spike gynecandrous, at least 1/2 flowers pistillate, (5–)11–20 mm. Pistillate scales ovate, 1.3–2.4 × 0.6–1.4 mm, apex acute to acuminate, with awn to 0.5 mm, as long as perigynia. Staminate scales ovate, 2.4–4.1 mm, apex obtuse to acuminate. Anthers 0.7–1.3(–1.6) mm. Perigynia ascending, obscurely 5–13-veined, obovate-circular, trigonous in cross section, 1.7–2.4 × 1–1.5 mm, densely pilose; beak absent. Achenes 1.4–1.8 × 0.8–1.1 mm. 2n = 54. [details]
Cyperaceae Working Group. (2025). [see How to cite]. Global Cyperaceae Database. Carex swanii (Fernald) Mack.. Accessed at: https://cyperaceae.org/aphia.php?p=taxdetails&id=1676134 on 2026-06-08
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2024-12-10 11:47:54Z
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Nomenclature
new combination reference
Mackenzie, K. K. (1910). Notes on <i>Carex</i>—VI. <em>Bulletin of the Torrey Botanical Society.</em> 37(5): 231-250., available online at https://www.biodiversitylibrary.org/page/12871316
page(s): 246 [details]
page(s): 246 [details]
Other
additional source
Ball, P.W.; Reznicek, A.A.; Murray, D.F. (2002). Magnoliophyta: Commelinidae (in part): Cyperaceae. In: Flora of North America. Vol. 23. Oxford University Press, New York., available online at http://floranorthamerica.org/Cyperaceae [details] Available for editors 
[request]
[request]
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Additional information Fruiting late spring–early summer. Dry to wet-mesic forests, scrub; 0–1000 m. [details]Description Culms 15–75 cm, sparsely pilose. Leaves: ligules longer than wide; blades 1.5–3 mm wide, pilose. Inflorescences: lateral spikes 5–15(–19) × 2–4 mm, proximal distant; terminal spike gynecandrous, at least 1/2 flowers pistillate, (5–)11–20 mm. Pistillate scales ovate, 1.3–2.4 × 0.6–1.4 mm, apex acute to acuminate, with awn to 0.5 mm, as long as perigynia. Staminate scales ovate, 2.4–4.1 mm, apex obtuse to acuminate. Anthers 0.7–1.3(–1.6) mm. Perigynia ascending, obscurely 5–13-veined, obovate-circular, trigonous in cross section, 1.7–2.4 × 1–1.5 mm, densely pilose; beak absent. Achenes 1.4–1.8 × 0.8–1.1 mm. 2n = 54. [details]
To Biodiversity Heritage Library (54 publications)
To European Nucleotide Archive, ENA (Carex swanii)
To GenBank (14 nucleotides; 6 proteins)
To International Plant Names Index (IPNI)
To International Plant Names Index (IPNI) (from synonym Carex virescens var. swanii Fernald)
To Plants of the World Online (from synonym Carex virescens var. swanii Fernald)
To Plants of the World Online
To US Herbarium (Carex virescens swanii US348532 type 1) (from synonym Carex virescens var. swanii Fernald)
To US Herbarium (Carex virescens swanii US967287 type 1) (from synonym Carex virescens var. swanii Fernald)
To European Nucleotide Archive, ENA (Carex swanii)
To GenBank (14 nucleotides; 6 proteins)
To International Plant Names Index (IPNI)
To International Plant Names Index (IPNI) (from synonym Carex virescens var. swanii Fernald)
To Plants of the World Online (from synonym Carex virescens var. swanii Fernald)
To Plants of the World Online
To US Herbarium (Carex virescens swanii US348532 type 1) (from synonym Carex virescens var. swanii Fernald)
To US Herbarium (Carex virescens swanii US967287 type 1) (from synonym Carex virescens var. swanii Fernald)
