Cyperaceae taxon details
Carex impressinervia Bryson, Kral & Manhart
1676472 (urn:lsid:marinespecies.org:taxname:1676472)
accepted
Species
terrestrial
Bryson, C. T.; Kral, R.; Manhart, J. R. (1987). A new species of Carex (Cyperaceae: section Oligocarpae) from the southeastern United States. Rhodora , 89(860): 357-363.
page(s): 357 [details]
page(s): 357 [details]
Description Plants densely cespitose; rhizome internodes 1.8–2.5 mm thick. Culms yellow-brown at base, 25–85 cm. Leaves: sheaths...
Taxonomic remark Source in seed data: wcs Update namepublishedIn from Rhodora 89: 357 1987 to Rhodora 89: 357 (1987), information provided...
Description Plants densely cespitose; rhizome internodes 1.8–2.5 mm thick. Culms yellow-brown at base, 25–85 cm. Leaves: sheaths glabrous; blades green, widest blades 2.6–4 mm wide, smooth abaxially or midrib antrorsely scaberulous. Inflorescences 0.37–0.72 of culm height; peduncles of lateral spike barely scaberulous; peduncles of terminal spikes (0.5–)1.9–6.6(–8.9) cm, usually much exceeding lateral spikes; proximal bract sheath tight, abaxially glabrous, apex slightly concave; ligules 0.4–1.8(–3.6) mm; distal bract slightly shorter than to slightly overlapping, not exceeding terminal spike. Spikes 3–5, widely separate; lateral spikes pistillate or androgynous, with 5–11 perigynia, 11–43 × 3.9–8.6 mm, ratio of spike length (in mm) to flower number = 3–6.1; terminal spikes (19–)23–31(–40) × 2.5–3(–3.3) mm. Pistillate scales 3.3–6.6 × 1.6–1.9 mm, margins whitish, entire, apex with awn 0.2–3.7 mm. Staminate scales 4.5–6.8 × 1–1.3 mm. Anthers 2.8–3.8 mm. Perigynia spirally imbricate or separate, 40–49-veined, unwrinkled, obovoid or narrowly obovoid, obtusely triangular in cross section, 4.1–5(–5.5) × 1.6–1.8 mm, 2.4–2.9(–3.4) times as long as wide, dull, base gradually tapered, apex gradually or abruptly tapered to subacute; beak absent or excurved, to 0.4(–0.7) mm. Achenes obovoid, 3.1–3.5 × 1.5–1.8 mm, tightly enveloped by perigynia; stipe bent 5–30°, 0.4–0.7 mm; beak bent 30–60°, 0.2–0.4 mm. [details]
Taxonomic remark Source in seed data: wcs Update namepublishedIn from Rhodora 89: 357 1987 to Rhodora 89: 357 (1987), information provided...
Taxonomic remark Source in seed data: wcs Update namepublishedIn from Rhodora 89: 357 1987 to Rhodora 89: 357 (1987), information provided by Alan E. on email Jun. 07 2021 More details could be found in The P [details]
Cyperaceae Working Group. (2025). [see How to cite]. Global Cyperaceae Database. Carex impressinervia Bryson, Kral & Manhart. Accessed at: https://www.cyperaceae.org/aphia.php?p=taxdetails&id=1676472 on 2025-09-13
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Nomenclature
original description
Bryson, C. T.; Kral, R.; Manhart, J. R. (1987). A new species of Carex (Cyperaceae: section Oligocarpae) from the southeastern United States. Rhodora , 89(860): 357-363.
page(s): 357 [details]
basis of record Plants of the World Online (POWO). , available online at https://powo.science.kew.org/ [details]
page(s): 357 [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 00054812, geounit Alabama [details]
From editor or global species database
Description Plants densely cespitose; rhizome internodes 1.8–2.5 mm thick. Culms yellow-brown at base, 25–85 cm. Leaves: sheaths glabrous; blades green, widest blades 2.6–4 mm wide, smooth abaxially or midrib antrorsely scaberulous. Inflorescences 0.37–0.72 of culm height; peduncles of lateral spike barely scaberulous; peduncles of terminal spikes (0.5–)1.9–6.6(–8.9) cm, usually much exceeding lateral spikes; proximal bract sheath tight, abaxially glabrous, apex slightly concave; ligules 0.4–1.8(–3.6) mm; distal bract slightly shorter than to slightly overlapping, not exceeding terminal spike. Spikes 3–5, widely separate; lateral spikes pistillate or androgynous, with 5–11 perigynia, 11–43 × 3.9–8.6 mm, ratio of spike length (in mm) to flower number = 3–6.1; terminal spikes (19–)23–31(–40) × 2.5–3(–3.3) mm. Pistillate scales 3.3–6.6 × 1.6–1.9 mm, margins whitish, entire, apex with awn 0.2–3.7 mm. Staminate scales 4.5–6.8 × 1–1.3 mm. Anthers 2.8–3.8 mm. Perigynia spirally imbricate or separate, 40–49-veined, unwrinkled, obovoid or narrowly obovoid, obtusely triangular in cross section, 4.1–5(–5.5) × 1.6–1.8 mm, 2.4–2.9(–3.4) times as long as wide, dull, base gradually tapered, apex gradually or abruptly tapered to subacute; beak absent or excurved, to 0.4(–0.7) mm. Achenes obovoid, 3.1–3.5 × 1.5–1.8 mm, tightly enveloped by perigynia; stipe bent 5–30°, 0.4–0.7 mm; beak bent 30–60°, 0.2–0.4 mm. [details]Taxonomic remark Source in seed data: wcs Update namepublishedIn from Rhodora 89: 357 1987 to Rhodora 89: 357 (1987), information provided by Alan E. on email Jun. 07 2021 More details could be found in The P [details]
To Biodiversity Heritage Library (7 publications)
To European Nucleotide Archive, ENA (Carex impressinervia)
To GenBank (4 nucleotides; 0 proteins)
To International Plant Names Index (IPNI)
To Plants of the World Online
To US Herbarium (Carex impressinervia US3081262 type 1)
To European Nucleotide Archive, ENA (Carex impressinervia)
To GenBank (4 nucleotides; 0 proteins)
To International Plant Names Index (IPNI)
To Plants of the World Online
To US Herbarium (Carex impressinervia US3081262 type 1)
From editor or global species database
Hosted externally
