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Cyperaceae taxon details

Carex pallescens L.

To New York Botanical Garden Steere Herbarium (Carex_pallida_NY11515_type_1)
To New York Botanical Garden Steere Herbarium (Carex_pallida_NY11515_type_1)

1677878  (urn:lsid:marinespecies.org:taxname:1677878)

  1. Biota
  2. Plantae (Kingdom)
  3. Viridiplantae (Subkingdom)
  4. Streptophyta (Infrakingdom)
  5. Tracheophyta (Phylum (Division))
  6. Spermatophytina (Subphylum (Subdivision))
  7. Magnoliopsida (Class)
  8. Lilianae (Superorder)
  9. Poales (Order)
  10. Cyperaceae (Family)
  11. Cariceae (Tribe)
  12. Carex (Genus)
  13. Carex subg. Carex (Subgenus)
  14. Carex sect. CastaneaClade (Section)
  15. Carex pallescens (Species)
accepted
Species

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terrestrial
Linnaeus, C. (1753). Species plantarum, exhibentes plantas rite cognitas ad genera relatas cum differentiis specificis, nominibus trivialibus, synonymis selectis, locis natalibus, secundum systema sexuale digestas. Vol 2. Salvius, Stockholm., available online at https://www.biodiversitylibrary.org/page/358580
page(s): 977 [details] 
Lectotype  LINN 1100-60  
Lectotype LINN 1100-60 [details]
Description Rhizomes very short, with tufted shoots; roots usually dark red-brown and brown, often red-tinged scales. Stems 20–60 cm,...  
Description Rhizomes very short, with tufted shoots; roots usually dark red-brown and brown, often red-tinged scales. Stems 20–60 cm, trigonous and rough on the sharp angles. Leaves 15–50 cm × 2–5 mm, soft, with scattered hairs beneath, flat or often keeled, gradually tapering to a fine point, mid-green, turning grey-brown on dying; hypostomous; sheaths brown, hairy, persistent, with hyaline, hairy inner face, apex concave; ligule c. 5 mm, acute or obtuse, tubular. Inflorescence up to 1/4 the length of the stem but usually much shorter; bracts leaf-like, lower ones exceeding the inflorescence and usually crimped at the base, uppermost setaceous. Male spike 1, 8–12 mm, often concealed by female spikes; male glumes 3–4 mm, obovate-oblong, pale brown with often darker midrib, apex mucronate. Female spikes 2–3, clustered or with the lower remote, 5–20 mm, subglobose to ovoid, suberect or lower nodding; peduncles smooth, the lower often longer than the spike; female glumes 3–4 mm, ovate, pale brown or hyaline with broad midrib, apex acuminate. Utricles 2.5–3.5 mm, ovoid-oblong, apex rounded and not beaked, mid-green, shiny, faintly nerved; stigmas 3; nut ellipsoid, trigonous, stalked. [details]

Description Cespitosa, con rizoma no muy robusto. Tallos (14)30–70(100) cm, agudamente trígonos, estrechamente alados hacia el...  
Description Cespitosa, con rizoma no muy robusto. Tallos (14)30–70(100) cm, agudamente trígonos, estrechamente alados hacia el ápice, escábridos. Hojas (2)3,8–5(5,5) mm de anchura, de menor longitud que los tallos, rara vez mayor, pelosas en el envés, con 2 costillas muy marcadas en el haz, planas, blandas, escábridas en los bordes; lígula 2–4 mm, con ápice agudo u obtuso y márgenes pelosos; sin antelígula; vainas basales escuamiformes, enteras o algo fibrosas, de color pardo a pardo-purpúreo oscuro. Bráctea inferior foliácea, de mayor longitud que la inflorescencia, no envainante o con una corta vaina. Espiga masculina solitaria, de 5(5)10–15(20) mm, cilíndrica o fusiforme; espigas femeninas (1)2–3(4), de (5)10–15(18) mm, ovoides, generalmente agrupadas bajo la masculina o la inferior separada, subsésiles o pedunculadas, erectas o raramente la inferior inclinada pero no colgante. Glumas masculinas estrechamente ovales, agudas o acuminadas, de color pardo claro, sin margen escarioso; glumas femeninas ± ovales, agudas o aristadas, de color pardo claro o verdoso-hialinas, menores que los utrículos. Utrículos 2,5–3,3 × 1–1,5 mm, patentes o erecto-patentes, de contorno oval, irregularmente trígonos, con los nervios poco prominentes, diminutamente punteados de rojo, sin pico o bruscamente estrechados en un diminuto pico hasta de 0,1 mm, entero, truncado, liso. Aquenios (1,7)1,9–2(2,2) × (0,9)1–1,3 mm, de contorno obovado, trígonos, de color pardo oscuro. 2n = 58*, 62*, 64*, 66*. [details]

Description Culms 20–80 cm, pilose. Leaves: sheaths pilose; ligules longer than wide; blades 2–3 mm wide, pilose abaxially....  
Description Culms 20–80 cm, pilose. Leaves: sheaths pilose; ligules longer than wide; blades 2–3 mm wide, pilose abaxially. Inflorescences: lateral spikes approximate or proximal distant, 5–20 × 4.5–7 mm; terminal spike staminate, 5–30 × 1–2.5 mm. Pistillate scales ovate, 2.2–3.2 × 1.1–1.5 mm, 2 times as long as wide, apex of proximal cuspidate, apex of distal acute or acuminate, as long as perigynia. Staminate scales oblong-obovate, 2.7–4.2 mm, apex acute or mucronate. Anthers 1.4–2.8 mm. Perigynia ascending or somewhat spreading, weakly 14–20-veined, elliptic-oblong, 2.3–3 × 1.1–1.5 mm, glabrous; beak absent. Achenes 1.8–2 × 1–1.2 mm. 2n = 70. [details]
Cyperaceae Working Group. (2025). [see How to cite]. Global Cyperaceae Database. Carex pallescens L.. Accessed at: https://www.cyperaceae.org/aphia.php?p=taxdetails&id=1677878 on 2026-06-12
Date
action
by
2023-09-06 07:28:28Z
created
Jiménez-Mejías, Pedro
2024-12-10 11:47:54Z
unchecked
db_admin
2025-03-11 11:19:03Z
changed
Márquez-Corro, José Ignacio

Creative Commons License The webpage text is licensed under a Creative Commons Attribution 4.0 License


Nomenclature

original description Linnaeus, C. (1753). Species plantarum, exhibentes plantas rite cognitas ad genera relatas cum differentiis specificis, nominibus trivialibus, synonymis selectis, locis natalibus, secundum systema sexuale digestas. Vol 2. Salvius, Stockholm., available online at https://www.biodiversitylibrary.org/page/358580
page(s): 977 [details] 

Taxonomy

taxonomy source Jermy, A.C.; Simpson, D.A.; Foley, M.J.Y.; Porter, M.S. (2007). Sedges of the British Isles. 554 pp. Botanical Society of Britain & Ireland, United Kingdom. [details] Available for editors  PDF available [request]

taxonomy source Luceño, M., Castroviejo, S., Jiménez-Mejías, P. (2008). Cyperaceae. In: Castroviejo, Luceño, M., Galán, A., Jiménez-Mejías, P., Cabezas, F., Medina, L. (eds). Flora iberica. Plantas vasculares de la Península Ibérica e Islas Baleares. Vol. XVIII. Madrid: CSIC., available online at https://bibdigital.rjb.csic.es/records/item/12958-flora-iberica-vol-18-cyperaceae-pontederiaceae?offset=, http://www.floraiberica.es/PHP/familias_lista_.php?familia=Cyperaceae [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  PDF available [request]

 
 Present  Inaccurate  Introduced: alien  Containing type locality 
   

Lectotype LINN 1100-60 [details]
From editor or global species database
Additional information Fruiting summer. Meadows, open slopes; 0–500 m.  [details]

Description Rhizomes very short, with tufted shoots; roots usually dark red-brown and brown, often red-tinged scales. Stems 20–60 cm, trigonous and rough on the sharp angles. Leaves 15–50 cm × 2–5 mm, soft, with scattered hairs beneath, flat or often keeled, gradually tapering to a fine point, mid-green, turning grey-brown on dying; hypostomous; sheaths brown, hairy, persistent, with hyaline, hairy inner face, apex concave; ligule c. 5 mm, acute or obtuse, tubular. Inflorescence up to 1/4 the length of the stem but usually much shorter; bracts leaf-like, lower ones exceeding the inflorescence and usually crimped at the base, uppermost setaceous. Male spike 1, 8–12 mm, often concealed by female spikes; male glumes 3–4 mm, obovate-oblong, pale brown with often darker midrib, apex mucronate. Female spikes 2–3, clustered or with the lower remote, 5–20 mm, subglobose to ovoid, suberect or lower nodding; peduncles smooth, the lower often longer than the spike; female glumes 3–4 mm, ovate, pale brown or hyaline with broad midrib, apex acuminate. Utricles 2.5–3.5 mm, ovoid-oblong, apex rounded and not beaked, mid-green, shiny, faintly nerved; stigmas 3; nut ellipsoid, trigonous, stalked. [details]

Description Cespitosa, con rizoma no muy robusto. Tallos (14)30–70(100) cm, agudamente trígonos, estrechamente alados hacia el ápice, escábridos. Hojas (2)3,8–5(5,5) mm de anchura, de menor longitud que los tallos, rara vez mayor, pelosas en el envés, con 2 costillas muy marcadas en el haz, planas, blandas, escábridas en los bordes; lígula 2–4 mm, con ápice agudo u obtuso y márgenes pelosos; sin antelígula; vainas basales escuamiformes, enteras o algo fibrosas, de color pardo a pardo-purpúreo oscuro. Bráctea inferior foliácea, de mayor longitud que la inflorescencia, no envainante o con una corta vaina. Espiga masculina solitaria, de 5(5)10–15(20) mm, cilíndrica o fusiforme; espigas femeninas (1)2–3(4), de (5)10–15(18) mm, ovoides, generalmente agrupadas bajo la masculina o la inferior separada, subsésiles o pedunculadas, erectas o raramente la inferior inclinada pero no colgante. Glumas masculinas estrechamente ovales, agudas o acuminadas, de color pardo claro, sin margen escarioso; glumas femeninas ± ovales, agudas o aristadas, de color pardo claro o verdoso-hialinas, menores que los utrículos. Utrículos 2,5–3,3 × 1–1,5 mm, patentes o erecto-patentes, de contorno oval, irregularmente trígonos, con los nervios poco prominentes, diminutamente punteados de rojo, sin pico o bruscamente estrechados en un diminuto pico hasta de 0,1 mm, entero, truncado, liso. Aquenios (1,7)1,9–2(2,2) × (0,9)1–1,3 mm, de contorno obovado, trígonos, de color pardo oscuro. 2n = 58*, 62*, 64*, 66*. [details]

Description Culms 20–80 cm, pilose. Leaves: sheaths pilose; ligules longer than wide; blades 2–3 mm wide, pilose abaxially. Inflorescences: lateral spikes approximate or proximal distant, 5–20 × 4.5–7 mm; terminal spike staminate, 5–30 × 1–2.5 mm. Pistillate scales ovate, 2.2–3.2 × 1.1–1.5 mm, 2 times as long as wide, apex of proximal cuspidate, apex of distal acute or acuminate, as long as perigynia. Staminate scales oblong-obovate, 2.7–4.2 mm, apex acute or mucronate. Anthers 1.4–2.8 mm. Perigynia ascending or somewhat spreading, weakly 14–20-veined, elliptic-oblong, 2.3–3 × 1.1–1.5 mm, glabrous; beak absent. Achenes 1.8–2 × 1–1.2 mm. 2n = 70. [details]

Translation Caespitose, with a not very robust rhizome. Culms (14)30–70(100) cm, sharply trigonous, narrowly winged towards the apex, scabrid. Leaves (2)3.8–5(5.5) mm wide, shorter than the culms, rarely longer, abaxially hairy, with two very prominent ribs on the adaxial surface, flat, soft, margins scabrid; ligule 2–4 mm, apex acute or obtuse, margins hairy; antiligule absent; basal sheaths scale-like, entire or somewhat fibrous, brown to dark brown-purplish. Lower bract leaf-like, longer than the inflorescence, not sheathing or with a short sheath. Male spike solitary, 5(5)10–15(20) mm long, cylindrical or fusiform; female spikes (1)2–3(4), (5)10–15(18) mm long, ovoid, usually clustered beneath the male spike or the lowest one distant, subsessile or pedunculate, erect or rarely the lower one inclined but not pendulous. Male glumes narrowly ovate, acute or acuminate, light brown, without a scarious margin; female glumes ± ovate, acute or aristate, light brown or greenish-hyaline, shorter than the utricles. Utricles 2.5–3.3 × 1–1.5 mm, spreading or erecto-patent, oval in outline, irregularly trigonous, nerves weakly prominent, minutely red-dotted, beak absent or abruptly narrowed into a minute beak up to 0.1 mm long, entire, truncate, smooth. Achenes (1.7)1.9–2(2.2) × (0.9)1–1.3 mm, obovate in outline, trigonous, dark brown. 2n = 58*, 62*, 64*, 66*. [details]
    Definitions

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To Biodiversity Heritage Library (1 publication) (from synonym Carex chalcodeta V.I.Krecz.)
To Biodiversity Heritage Library (1 publication) (from synonym Carex pallescens var. luxuriosa Kük.)
To Biodiversity Heritage Library (1 publication) (from synonym Carex pallescens var. subsilvatica Kük.)
To Biodiversity Heritage Library (10 publications) (from synonym Carex leucantha Schur)
To Biodiversity Heritage Library (2 publications) (from synonym Trasus pallescens (L.) Gray)
To Biodiversity Heritage Library (2 publications) (from synonym Carex pallescens var. alpestris Kohts)
To Biodiversity Heritage Library (3 publications) (from synonym Carex microstoma Franch.)
To Biodiversity Heritage Library (33 publications) (from synonym Carex undulata Kunze)
To Biodiversity Heritage Library (4 publications) (from synonym Carex pallescens var. undulata (Kunze) Andersson)
To Biodiversity Heritage Library (4 publications) (from synonym Carex pallescens var. undulata (Kunze) J.Carey)
To Biodiversity Heritage Library (60 publications) (from synonym Carex pallida Salisb.)
To Biodiversity Heritage Library (7 publications) (from synonym Carex tymphaea Formánek)
To Biodiversity Heritage Library (774 publications) 
To European Nucleotide Archive, ENA (Carex pallescens) 
To GenBank (56 nucleotides; 84 proteins) 
To International Plant Names Index (IPNI) 
To International Plant Names Index (IPNI) (from synonym Carex leucantha Schur)
To International Plant Names Index (IPNI) (from synonym Trasus pallescens (L.) Gray)
To International Plant Names Index (IPNI) (from synonym Carex chalcodeta V.I.Krecz.)
To International Plant Names Index (IPNI) (from synonym Carex microstoma Franch.)
To International Plant Names Index (IPNI) (from synonym Carex pallida Salisb.)
To International Plant Names Index (IPNI) (from synonym Carex tymphaea Formánek)
To International Plant Names Index (IPNI) (from synonym Carex undulata Kunze)
To International Plant Names Index (IPNI) (from synonym Carex pallescens var. chalcodeta (V.I.Krecz.) Ö.Nilsson)
To International Plant Names Index (IPNI) (from synonym Carex pallescens var. leucantha (Schur) Asch. & Graebn.)
To International Plant Names Index (IPNI) (from synonym Carex pallescens var. orophila Briq.)
To International Plant Names Index (IPNI) (from synonym Carex pallescens var. undulata (Kunze) J.Carey)
To International Plant Names Index (IPNI) (from synonym Carex pallescens var. alpestris Kohts)
To International Plant Names Index (IPNI) (from synonym Carex pallescens var. neogaea Fernald)
To International Plant Names Index (IPNI) (from synonym Carex pallescens var. subglabra Beck)
To International Plant Names Index (IPNI) (from synonym Carex pallescens var. luxuriosa Kük.)
To International Plant Names Index (IPNI) (from synonym Carex pallescens var. subsilvatica Kük.)
To New York Botanical Garden Steere Herbarium (Carex_pallida_NY11515_type_1) (from synonym Carex pallida Salisb.)
To Plants of the World Online (from synonym Carex tymphaea Formánek)
To Plants of the World Online (from synonym Carex undulata Kunze)
To Plants of the World Online (from synonym Carex pallida Salisb.)
To Plants of the World Online (from synonym Carex pallescens var. luxuriosa Kük.)
To Plants of the World Online (from synonym Carex pallescens var. leucantha (Schur) Asch. & Graebn.)
To Plants of the World Online (from synonym Carex pallescens var. chalcodeta (V.I.Krecz.) Ö.Nilsson)
To Plants of the World Online (from synonym Carex leucantha Schur)
To Plants of the World Online (from synonym Carex microstoma Franch.)
To Plants of the World Online 
To Plants of the World Online (from synonym Trasus pallescens (L.) Gray)
To Plants of the World Online (from synonym Carex chalcodeta V.I.Krecz.)
To Plants of the World Online (from synonym Carex pallescens var. subsilvatica Kük.)
To Plants of the World Online (from synonym Carex pallescens var. subglabra Beck)
To Plants of the World Online (from synonym Carex pallescens var. neogaea Fernald)
To Plants of the World Online (from synonym Carex pallescens var. macrocarpa (Briq.) Rouy)
To Plants of the World Online (from synonym Carex pallescens var. alpestris Kohts)
To Plants of the World Online (from synonym Carex pallescens var. orophila Briq.)
To Plants of the World Online (from synonym Carex pallescens var. undulata (Kunze) J.Carey)
To Plants of the World Online (from synonym Carex pallescens f. alpestris Schur)
To Plants of the World Online (from synonym Carex pallescens f. brevibracteata Neuman)
To Plants of the World Online (from synonym Carex pallescens f. cylindrica Peterm.)
To Plants of the World Online (from synonym Carex pallescens f. elatior Asch. & Graebn.)
To Plants of the World Online (from synonym Carex pallescens f. glaberrima K.Koch)
To Plants of the World Online (from synonym Carex pallescens f. pygmaea Lackow.)
To Plants of the World Online (from synonym Carex pallescens subvar. macrocarpa Briq.)
To Plants of the World Online (from synonym Carex pallescens var. undulata (Kunze) Andersson)
To Royal Botanic Garden Edinburgh Herbarium (Carex chalcodeta E00326531 type 1) (from synonym Carex chalcodeta V.I.Krecz.)
From editor or global species database
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