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Cyperaceae taxon details

Carex wiegandii Mack.

1677389  (urn:lsid:marinespecies.org:taxname:1677389)

accepted
Species
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): 108 [details] 
Description Culms 10–105 cm. Leaves 3–8 per culm; sheaths tight, inner band hyaline, 4–23 cm, apex concave, ± glabrous; ligules...  
Description Culms 10–105 cm. Leaves 3–8 per culm; sheaths tight, inner band hyaline, 4–23 cm, apex concave, ± glabrous; ligules rounded to obtuse, 0.9–2.5 mm; blades plicate, 11–45 cm × 1.7–5 mm, widest leaf 2.8–5 mm wide. Inflorescences (0.8–)1.5–3 cm; spikes 4–6; lateral spikes gynecandrous, 4.5–8 mm, sessile, staminate portion (0–)1–3-flowered, (0–)0.5–2 mm, pistillate portion 5–21-flowered, 3–8 mm; basal 2 spikes 1.3–9.5 mm apart; terminal spike androgynous, 6.1–14.5 mm, staminate portion 5–20-flowered, 2–8.6 × 0.8–1.3 mm, pistillate portion 7–25-flowered, 3–8 × 5–7.3 mm. Pistillate scales ovate, 1.45–2(–2.2) × 1.3–1.9 mm, apex obtuse to acute, sometimes shortly mucronate. Staminate scales ovate, 1.2–2.3 × 1.4–1.8 mm, apex obtuse to acute. Anthers 0.7–1.3 mm. Perigynia spreading to reflexed, green to castaneous, 5–18-veined abaxially, faintly 0–10-veined adaxially, broadly ovate, 2.55–3.75 × (1.25–)1.4–2(–2.1) mm, (1.4–)1.6–2.5 times as long as wide; beak 0.55–1.1(–1.35) mm, 0.25–0.55 length of body, serrulate, teeth 0.2–0.5 mm. Achenes ovate, 1.4–1.9 × 1.1–1.55 mm. [details]

Taxonomic remark Source in seed data: wcs Update namepublishedIn from N. Amer. Fl. 18: 108 1931 to N. Amer. Fl. 18: 108 (1931), information...  
Taxonomic remark Source in seed data: wcs Update namepublishedIn from N. Amer. Fl. 18: 108 1931 to N. Amer. Fl. 18: 108 (1931), information provided by Alan E. on email Jun. 07 2021 More details could be found in [details]
Cyperaceae Working Group. (2025). [see How to cite]. Global Cyperaceae Database. Carex wiegandii Mack.. Accessed at: https://www.cyperaceae.org/aphia.php?p=taxdetails&id=1677389 on 2025-09-11
Date
action
by
2023-09-06 07:28:28Z
created
2024-12-10 11:47:54Z
unchecked
db_admin
2025-03-11 11:19:03Z
changed

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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): 108 [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 F 0045440, geounit Newfoundland [details]
From editor or global species database
Description Culms 10–105 cm. Leaves 3–8 per culm; sheaths tight, inner band hyaline, 4–23 cm, apex concave, ± glabrous; ligules rounded to obtuse, 0.9–2.5 mm; blades plicate, 11–45 cm × 1.7–5 mm, widest leaf 2.8–5 mm wide. Inflorescences (0.8–)1.5–3 cm; spikes 4–6; lateral spikes gynecandrous, 4.5–8 mm, sessile, staminate portion (0–)1–3-flowered, (0–)0.5–2 mm, pistillate portion 5–21-flowered, 3–8 mm; basal 2 spikes 1.3–9.5 mm apart; terminal spike androgynous, 6.1–14.5 mm, staminate portion 5–20-flowered, 2–8.6 × 0.8–1.3 mm, pistillate portion 7–25-flowered, 3–8 × 5–7.3 mm. Pistillate scales ovate, 1.45–2(–2.2) × 1.3–1.9 mm, apex obtuse to acute, sometimes shortly mucronate. Staminate scales ovate, 1.2–2.3 × 1.4–1.8 mm, apex obtuse to acute. Anthers 0.7–1.3 mm. Perigynia spreading to reflexed, green to castaneous, 5–18-veined abaxially, faintly 0–10-veined adaxially, broadly ovate, 2.55–3.75 × (1.25–)1.4–2(–2.1) mm, (1.4–)1.6–2.5 times as long as wide; beak 0.55–1.1(–1.35) mm, 0.25–0.55 length of body, serrulate, teeth 0.2–0.5 mm. Achenes ovate, 1.4–1.9 × 1.1–1.55 mm. [details]

Taxonomic remark Source in seed data: wcs Update namepublishedIn from N. Amer. Fl. 18: 108 1931 to N. Amer. Fl. 18: 108 (1931), information provided by Alan E. on email Jun. 07 2021 More details could be found in [details]