Cyperaceae taxon details
Carex ruthii Mack.
1677007 (urn:lsid:marinespecies.org:taxname:1677007)
accepted
Species
Carex muricata var. ruthii (Mack.) Gleason · unaccepted
terrestrial
Mackenzie, K. K. (1931). North American Flora. , Vol. 18, Part 2;(Poales),(Cyperaceae), Cariceae(Continuatio), pp. 58. Nre Yoir Botanical Garden., available online at https://archive.org/details/northamericanflo182newy/page/n5/mode/2up
page(s): 112 [details]
page(s): 112 [details]
Holotype NY 00011310, geounit North Carolina
Holotype NY 00011310, geounit North Carolina [details]
Description Culms (23–)30–100 cm. Leaves 3–7 per culm; sheaths tight, inner band hyaline or straw colored, 6–18 cm, apex...
Taxonomic remark Source in seed data: wcs Updated namepublishedIn from N. Amer. Fl. 18: 113 1931 to N. Amer. Fl. 18(3): 113. 1931 [31 Dec...
Description Culms (23–)30–100 cm. Leaves 3–7 per culm; sheaths tight, inner band hyaline or straw colored, 6–18 cm, apex concave, glabrous; ligules rounded, 1–2.5 mm; blades plicate, 30–70 cm × 1.6–5 mm, widest leaf (2.6–)2.9–5 mm wide. Inflorescences (2.2–)3–8.5 cm; spikes 3–8; lateral spikes 3.6–11.2 mm, sessile, pistillate or gynecandrous, staminate portion 2-flowered, to 1 mm, pistillate portion 6–28-flowered, 3.6–11.2 mm; basal 2 spikes (5–)10–40 mm apart; terminal spike 7–15.5 mm, gynecandrous with staminate portion 3–14-flowered, 2–11(–14) × 0.8–1.6 mm and pistillate portion 10–25-flowered, 4.1–8 × 6.1–7.7 mm. Pistillate scales ovate, 1.4–2.2 × 1.1–2 mm, apex obtuse to acute. Staminate scales narrowly ovate, 1.6–2.4 × 1.1–1.9 mm, apex obtuse to acute. Anthers 0.8–1.45 mm. Perigynia spreading to reflexed, olive green, 6–14-veined abaxially, 0–5-veined adaxially, broadly to narrowly ovate, (2.8–)3–4.4 × 1.3–1.9(–2.1) mm, (1.6–)1.8–2.5 times as long as wide; beak 0.9–1.75 mm, 0.43–0.85 length of body, serrulate, teeth 0.15–0.35 mm. Achenes ovate, 1.1–1.8 × 0.9–1.4 mm. [details]
Taxonomic remark Source in seed data: wcs Updated namepublishedIn from N. Amer. Fl. 18: 113 1931 to N. Amer. Fl. 18(3): 113. 1931 [31 Dec...
Taxonomic remark Source in seed data: wcs Updated namepublishedIn from N. Amer. Fl. 18: 113 1931 to N. Amer. Fl. 18(3): 113. 1931 [31 Dec 1931] , information provided by Alan E. on email Oct. 12 2020 More details could be found in [details]
Cyperaceae Working Group. (2025). [see How to cite]. Global Cyperaceae Database. Carex ruthii Mack.. Accessed at: https://cyperaceae.org/aphia.php?p=taxdetails&id=1677007 on 2025-09-11
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2024-12-10 11:47:54Z
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Nomenclature
original description
Mackenzie, K. K. (1931). North American Flora. , Vol. 18, Part 2;(Poales),(Cyperaceae), Cariceae(Continuatio), pp. 58. Nre Yoir Botanical Garden., available online at https://archive.org/details/northamericanflo182newy/page/n5/mode/2up
page(s): 112 [details]
basis of record Plants of the World Online (POWO). , available online at https://powo.science.kew.org/ [details]
page(s): 112 [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 NY 00011310, geounit North Carolina [details]
From editor or global species database
Description Culms (23–)30–100 cm. Leaves 3–7 per culm; sheaths tight, inner band hyaline or straw colored, 6–18 cm, apex concave, glabrous; ligules rounded, 1–2.5 mm; blades plicate, 30–70 cm × 1.6–5 mm, widest leaf (2.6–)2.9–5 mm wide. Inflorescences (2.2–)3–8.5 cm; spikes 3–8; lateral spikes 3.6–11.2 mm, sessile, pistillate or gynecandrous, staminate portion 2-flowered, to 1 mm, pistillate portion 6–28-flowered, 3.6–11.2 mm; basal 2 spikes (5–)10–40 mm apart; terminal spike 7–15.5 mm, gynecandrous with staminate portion 3–14-flowered, 2–11(–14) × 0.8–1.6 mm and pistillate portion 10–25-flowered, 4.1–8 × 6.1–7.7 mm. Pistillate scales ovate, 1.4–2.2 × 1.1–2 mm, apex obtuse to acute. Staminate scales narrowly ovate, 1.6–2.4 × 1.1–1.9 mm, apex obtuse to acute. Anthers 0.8–1.45 mm. Perigynia spreading to reflexed, olive green, 6–14-veined abaxially, 0–5-veined adaxially, broadly to narrowly ovate, (2.8–)3–4.4 × 1.3–1.9(–2.1) mm, (1.6–)1.8–2.5 times as long as wide; beak 0.9–1.75 mm, 0.43–0.85 length of body, serrulate, teeth 0.15–0.35 mm. Achenes ovate, 1.1–1.8 × 0.9–1.4 mm. [details]Taxonomic remark Source in seed data: wcs Updated namepublishedIn from N. Amer. Fl. 18: 113 1931 to N. Amer. Fl. 18(3): 113. 1931 [31 Dec 1931] , information provided by Alan E. on email Oct. 12 2020 More details could be found in [details]
To Biodiversity Heritage Library (4 publications)
To European Nucleotide Archive, ENA (Carex ruthii)
To GenBank (8 nucleotides; 1 proteins)
To International Plant Names Index (IPNI)
To International Plant Names Index (IPNI) (from synonym Carex muricata var. ruthii (Mack.) Gleason)
To New York Botanical Garden Steere Herbarium (Carex_ruthii_NY11310_holotype_1)
To Plants of the World Online (from synonym Carex muricata var. ruthii (Mack.) Gleason)
To Plants of the World Online
To European Nucleotide Archive, ENA (Carex ruthii)
To GenBank (8 nucleotides; 1 proteins)
To International Plant Names Index (IPNI)
To International Plant Names Index (IPNI) (from synonym Carex muricata var. ruthii (Mack.) Gleason)
To New York Botanical Garden Steere Herbarium (Carex_ruthii_NY11310_holotype_1)
To Plants of the World Online (from synonym Carex muricata var. ruthii (Mack.) Gleason)
To Plants of the World Online
From editor or global species database
Hosted externally
