Cyperaceae taxon details
Carex thornei Naczi
1676190 (urn:lsid:marinespecies.org:taxname:1676190)
accepted
Species
Carex oligocarpa var. thornei (Naczi) D.B.Ward · unaccepted
terrestrial
Naczi R. F. C.; Bryson C. T.; Cochrane T. S. (2002). Seven new species and one new combination in Carex (Cyperaceae) from North America. Novon, 12(4): 508-532., available online at https://www.biodiversitylibrary.org/page/643091#page/509/mode/1up
page(s): 516 [details]
page(s): 516 [details]
Description Plants densely cespitose; rhizome internodes 0.8–6.4 mm, 1.2–2.2 mm thick. Culms purple-red to 4.8–8.1 cm at base,...
Taxonomic remark Source in seed data: wcs Update namepublishedIn from Novon 12: 516 2002 to Novon 12: 516 (2002), information provided by...
Description Plants densely cespitose; rhizome internodes 0.8–6.4 mm, 1.2–2.2 mm thick. Culms purple-red to 4.8–8.1 cm at base, 24–53 cm; vegetative shoots 28–49 cm, 0.5–1.3 times as tall as culms. Leaves green, widest blades 2.1–4 mm wide. Inflorescences 13–38 cm, 0.77–0.96 of culm height; internode between proximalmost scales in proximalmost spike 1.7–2.9 mm; internode between distal lateral spikes (1.6–)3.4–15.2 cm, longest internode between distal lateral spikes (5.3–)8.8–15.2 cm; longest peduncle per plant of terminal lateral spikes (2.2–)5.1–10.4 cm; proximal bract sheaths tight, hyaline band of sheath front with apex usually truncate or concave, occasionally convex, elongated to 2.2(–5) mm beyond apex; ligules 4–4.9(–9.6) mm; blades uniformly green, bract blade of distalmost lateral spike slightly exceeding or exceeded by terminal spike, longest bract blade of distalmost lateral spike 3.9–11 cm. Spikes 4–5, usually separate or the distal 2(–3) overlapping; lateral spikes pistillate, with 3–12 perigynia, longest per plant with 6–12, 5–21 × 3.2–4.1 mm, ratio of longest lateral spike (in mm) to flower number = 1.8–2.1; terminal spike 16–32 × 1.9–2.5 mm, longest per plant 17–36 mm, exceeding distalmost lateral spike. Pistillate scales 3–4.6 × 1.6–2 mm, body 1.6–2.6 mm, midrib prolonged as awn 1.1–2.5 mm. Staminate scales 4.3–5 × 1.4–1.8 mm, apex usually acute, occasionally obtuse, awnless. Perigynia distichously imbricate, prominently 53–64-veined, narrowly obovate or narrowly oblong in outline, 3.8–4.9 × 1.4–1.7 mm, (2.4–) 2.5–3.1 times as long as wide, 1.7–2 times as long as achene bodies, base gradually tapered, apex gradually tapered; beak absent or straight, 0–0.4 mm, 0–11% of perigynium length. Achenes 2.6–3.5 × 1.3–1.6 mm, tightly enveloped by perigynia, base abruptly contracted, apex abruptly contracted; stipe 0.2–0.6 mm; body 2.1–2.7 mm; beak straight, 0.1–0.4(–1.5) mm. [details]
Taxonomic remark Source in seed data: wcs Update namepublishedIn from Novon 12: 516 2002 to Novon 12: 516 (2002), information provided by...
Taxonomic remark Source in seed data: wcs Update namepublishedIn from Novon 12: 516 2002 to Novon 12: 516 (2002), information provided by Alan E. on email Jun. 07 2021 More details could be found in The Plant [details]
Cyperaceae Working Group. (2025). [see How to cite]. Global Cyperaceae Database. Carex thornei Naczi. Accessed at: https://www.cyperaceae.org/aphia.php?p=taxdetails&id=1676190 on 2025-09-12
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Nomenclature
original description
Naczi R. F. C.; Bryson C. T.; Cochrane T. S. (2002). Seven new species and one new combination in Carex (Cyperaceae) from North America. Novon, 12(4): 508-532., available online at https://www.biodiversitylibrary.org/page/643091#page/509/mode/1up
page(s): 516 [details]
basis of record Plants of the World Online (POWO). , available online at https://powo.science.kew.org/ [details]
page(s): 516 [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
Isotype US 00731480 [details]
From editor or global species database
Description Plants densely cespitose; rhizome internodes 0.8–6.4 mm, 1.2–2.2 mm thick. Culms purple-red to 4.8–8.1 cm at base, 24–53 cm; vegetative shoots 28–49 cm, 0.5–1.3 times as tall as culms. Leaves green, widest blades 2.1–4 mm wide. Inflorescences 13–38 cm, 0.77–0.96 of culm height; internode between proximalmost scales in proximalmost spike 1.7–2.9 mm; internode between distal lateral spikes (1.6–)3.4–15.2 cm, longest internode between distal lateral spikes (5.3–)8.8–15.2 cm; longest peduncle per plant of terminal lateral spikes (2.2–)5.1–10.4 cm; proximal bract sheaths tight, hyaline band of sheath front with apex usually truncate or concave, occasionally convex, elongated to 2.2(–5) mm beyond apex; ligules 4–4.9(–9.6) mm; blades uniformly green, bract blade of distalmost lateral spike slightly exceeding or exceeded by terminal spike, longest bract blade of distalmost lateral spike 3.9–11 cm. Spikes 4–5, usually separate or the distal 2(–3) overlapping; lateral spikes pistillate, with 3–12 perigynia, longest per plant with 6–12, 5–21 × 3.2–4.1 mm, ratio of longest lateral spike (in mm) to flower number = 1.8–2.1; terminal spike 16–32 × 1.9–2.5 mm, longest per plant 17–36 mm, exceeding distalmost lateral spike. Pistillate scales 3–4.6 × 1.6–2 mm, body 1.6–2.6 mm, midrib prolonged as awn 1.1–2.5 mm. Staminate scales 4.3–5 × 1.4–1.8 mm, apex usually acute, occasionally obtuse, awnless. Perigynia distichously imbricate, prominently 53–64-veined, narrowly obovate or narrowly oblong in outline, 3.8–4.9 × 1.4–1.7 mm, (2.4–) 2.5–3.1 times as long as wide, 1.7–2 times as long as achene bodies, base gradually tapered, apex gradually tapered; beak absent or straight, 0–0.4 mm, 0–11% of perigynium length. Achenes 2.6–3.5 × 1.3–1.6 mm, tightly enveloped by perigynia, base abruptly contracted, apex abruptly contracted; stipe 0.2–0.6 mm; body 2.1–2.7 mm; beak straight, 0.1–0.4(–1.5) mm. [details]Taxonomic remark Source in seed data: wcs Update namepublishedIn from Novon 12: 516 2002 to Novon 12: 516 (2002), information provided by Alan E. on email Jun. 07 2021 More details could be found in The Plant [details]
To Biodiversity Heritage Library (3 publications)
To European Nucleotide Archive, ENA (Carex thornei)
To GenBank (16 nucleotides; 12 proteins)
To International Plant Names Index (IPNI) (from synonym Carex oligocarpa var. thornei (Naczi) D.B.Ward)
To International Plant Names Index (IPNI)
To Plants of the World Online
To Plants of the World Online (from synonym Carex oligocarpa var. thornei (Naczi) D.B.Ward)
To US Herbarium (Carex thornei US3422812 type 1)
To European Nucleotide Archive, ENA (Carex thornei)
To GenBank (16 nucleotides; 12 proteins)
To International Plant Names Index (IPNI) (from synonym Carex oligocarpa var. thornei (Naczi) D.B.Ward)
To International Plant Names Index (IPNI)
To Plants of the World Online
To Plants of the World Online (from synonym Carex oligocarpa var. thornei (Naczi) D.B.Ward)
To US Herbarium (Carex thornei US3422812 type 1)
From editor or global species database
Hosted externally
