Cyperaceae taxon details
Carex ornithopoda Willd.
1676662 (urn:lsid:marinespecies.org:taxname:1676662)
accepted
Species
Carex digitata var. ornithopoda (Willd.) DC. · unaccepted
Carex digitata var. ornithopoda (Willd.) G.Mey. · unaccepted
- Subspecies Carex ornithopoda subsp. ornithopoda
- Subspecies Carex ornithopoda subsp. ornithopodioides (Hausm.) Nyman
- Forma Carex ornithopoda f. elongata Leyb. accepted as Carex ornithopoda subsp. ornithopodioides (Hausm.) Nyman
- Forma Carex ornithopoda f. major Bornm. ex Kük. accepted as Carex ornithopoda subsp. ornithopoda
- Subspecies Carex ornithopoda subsp. bulgarica (Velen.) Stoeva & E.D.Popova accepted as Carex digitata L.
- Subspecies Carex ornithopoda subsp. elongata (Leyb.) Vierh. accepted as Carex ornithopoda subsp. ornithopodioides (Hausm.) Nyman
- Variety Carex ornithopoda var. alpina Gaudin accepted as Carex ornithopoda subsp. ornithopoda
- Variety Carex ornithopoda var. alpina Kük. accepted as Carex ornithopoda subsp. ornithopoda
- Variety Carex ornithopoda var. arcuata Erdner accepted as Carex ornithopoda subsp. ornithopoda
- Variety Carex ornithopoda var. castanea Murb. accepted as Carex ornithopoda subsp. ornithopoda
- Variety Carex ornithopoda var. elongata (Leyb.) Asch. & Graebn. accepted as Carex ornithopoda subsp. ornithopodioides (Hausm.) Nyman
- Variety Carex ornithopoda var. hausmannii Döll accepted as Carex ornithopoda subsp. ornithopodioides (Hausm.) Nyman
- Variety Carex ornithopoda var. ornithopodioides (Hausm.) Garcke accepted as Carex ornithopoda subsp. ornithopodioides (Hausm.) Nyman
terrestrial
(1805). Sp. Pl., ed. 4 [Willdenow] 4(1), available online at https://www.biodiversitylibrary.org/page/670960#page/1/mode/1up
page(s): 255 [details]
page(s): 255 [details]
Description Rhizomes short and much branched, with tufted shoots of two kinds: apical leafy shoots with overwintering terminal buds and...
Description Laxamente cespitosa, a veces con rizomas de entrenudos algo alargados, ascendentes. Tallos (3,5)5–15(17) cm, obtusamente...
Taxonomic remark Source in seed data: wcs Update namepublishedIn from Sp. Pl., ed. 4 [Willdenow] 4(1): 255. 1805 to Sp. Pl., ed. 4 , 4: 255...
Description Rhizomes short and much branched, with tufted shoots of two kinds: apical leafy shoots with overwintering terminal buds and lateral short shoots ending in a flowering stem; roots wiry, fibrous, deep brown; scales deep red-brown, becoming fibrous. Stems 5–20 mm, slender, trigonous-subterete, with 2–4 short (up to 1 cm), often setaceous leaves at the base. Leaves 5–20 cm × 1–3 mm, soft, ± flat or slightly keeled, abruptly tapered to a blunt point, light or mid-green, often overwintering; margins rough; hypostomous; sheaths orange- to dark crimson-brown, becoming fibrous, with herbaceous inner face; apex concave, soon splitting; ligule 0.5–1 mm, rounded. Inflorescence 1/8–1/10 the length of the stem, compact, ± digitate, with spikes arising within 5 mm; bracts glumaceous, sheathing for < 2 mm. Male spike 1, 5–8 mm, few-flowered, overtopped by the lower female spikes and appearing lateral; male glumes c. 2.5 mm, obovate, red-brown with pale midrib and hyaline margin, apex acute or mucronate. Female spikes 2–3, 5–10 mm, 2–4(–5)-flowered, ± sessile or the lowest with peduncle up to 3 mm; female glumes 2–2.5 mm, obovate, pale orange-brown with hyaline margin, apex obtuse or ± acute, often erose. Utricles 2–3 mm, obovoid to narrowly pyriform, yellow-green to brown, pilose but hairs may fall with age; beak almost absent, truncate; stigmas 3; nut obovoid, trigonous, stalked. [details]
Description Laxamente cespitosa, a veces con rizomas de entrenudos algo alargados, ascendentes. Tallos (3,5)5–15(17) cm, obtusamente...
Description Laxamente cespitosa, a veces con rizomas de entrenudos algo alargados, ascendentes. Tallos (3,5)5–15(17) cm, obtusamente trígonos, lisos o escábridos en el ápice, laterales, sin hojas o con 1–2 reducidas a una vaina con un limbo poco desarrollado. Hojas (0,3)2–3,5(4,5) mm de anchura, de menor longitud que los tallos, rara vez algo mayor, lisas salvo en los bordes de la zona apical, planas o un poco canaliculadas, curvadas o rectas, algo rígidas; lígula diminuta, con el ápice agudo u obtuso, de anchura mayor que el limbo; sin antelígula; vainas basales con limbo desarrollado, algo rotas a fibrosas, de color pardo. Bráctea inferior glumácea, no folíacea. Espiga masculina solitaria, de (4)6–9(11) mm, linear; espigas femeninas (1)2–3, de (2,5)5–10(12) mm, agrupadas junto a la masculina, sésiles o subsésiles, erectas, lineares, laxas. Glumas masculinas ovales, de ápice obtuso o agudo, de color pardo-rojizo, con margen escarioso; glumas femeninas anchamente obovadas, de ápice obtuso, truncado o redondeado, de color pardo a pardo rojizo, en ocasiones muy oscuro, con margen escarioso, menores que los utrículos. Utrículos 2–3(3,5) × 0,9–1,2 mm, suberectos, de contorno oval u obovado, trígonos, con los nervios muy poco perceptibles salvo los 2 laterales, pubescentes o raramente glabros, verdosos o parduscos, estrechados gradualmente a atenuados en un pico de 0,1–0,3 mm, entero o cortamente bidentado. Aquenios 1,7–2,5 × 0,8–1,1 mm, de contorno elíptico, trígonos, pardos. 2n = ca. 46*, 52*, 54*, 56*. [details]
Taxonomic remark Source in seed data: wcs Update namepublishedIn from Sp. Pl., ed. 4 [Willdenow] 4(1): 255. 1805 to Sp. Pl., ed. 4 , 4: 255...
Taxonomic remark Source in seed data: wcs Update namepublishedIn from Sp. Pl., ed. 4 [Willdenow] 4(1): 255. 1805 to Sp. Pl., ed. 4 , 4: 255 (1805), 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 ornithopoda Willd.. Accessed at: https://cyperaceae.org/aphia.php?p=taxdetails&id=1676662 on 2026-06-14
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Nomenclature
original description
(1805). Sp. Pl., ed. 4 [Willdenow] 4(1), available online at https://www.biodiversitylibrary.org/page/670960#page/1/mode/1up
page(s): 255 [details]
basis of record Plants of the World Online (POWO). , available online at https://powo.science.kew.org/ [details]
page(s): 255 [details]
basis of record Plants of the World Online (POWO). , available online at https://powo.science.kew.org/ [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 
[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]
[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]
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Description Rhizomes short and much branched, with tufted shoots of two kinds: apical leafy shoots with overwintering terminal buds and lateral short shoots ending in a flowering stem; roots wiry, fibrous, deep brown; scales deep red-brown, becoming fibrous. Stems 5–20 mm, slender, trigonous-subterete, with 2–4 short (up to 1 cm), often setaceous leaves at the base. Leaves 5–20 cm × 1–3 mm, soft, ± flat or slightly keeled, abruptly tapered to a blunt point, light or mid-green, often overwintering; margins rough; hypostomous; sheaths orange- to dark crimson-brown, becoming fibrous, with herbaceous inner face; apex concave, soon splitting; ligule 0.5–1 mm, rounded. Inflorescence 1/8–1/10 the length of the stem, compact, ± digitate, with spikes arising within 5 mm; bracts glumaceous, sheathing for < 2 mm. Male spike 1, 5–8 mm, few-flowered, overtopped by the lower female spikes and appearing lateral; male glumes c. 2.5 mm, obovate, red-brown with pale midrib and hyaline margin, apex acute or mucronate. Female spikes 2–3, 5–10 mm, 2–4(–5)-flowered, ± sessile or the lowest with peduncle up to 3 mm; female glumes 2–2.5 mm, obovate, pale orange-brown with hyaline margin, apex obtuse or ± acute, often erose. Utricles 2–3 mm, obovoid to narrowly pyriform, yellow-green to brown, pilose but hairs may fall with age; beak almost absent, truncate; stigmas 3; nut obovoid, trigonous, stalked. [details]Description Laxamente cespitosa, a veces con rizomas de entrenudos algo alargados, ascendentes. Tallos (3,5)5–15(17) cm, obtusamente trígonos, lisos o escábridos en el ápice, laterales, sin hojas o con 1–2 reducidas a una vaina con un limbo poco desarrollado. Hojas (0,3)2–3,5(4,5) mm de anchura, de menor longitud que los tallos, rara vez algo mayor, lisas salvo en los bordes de la zona apical, planas o un poco canaliculadas, curvadas o rectas, algo rígidas; lígula diminuta, con el ápice agudo u obtuso, de anchura mayor que el limbo; sin antelígula; vainas basales con limbo desarrollado, algo rotas a fibrosas, de color pardo. Bráctea inferior glumácea, no folíacea. Espiga masculina solitaria, de (4)6–9(11) mm, linear; espigas femeninas (1)2–3, de (2,5)5–10(12) mm, agrupadas junto a la masculina, sésiles o subsésiles, erectas, lineares, laxas. Glumas masculinas ovales, de ápice obtuso o agudo, de color pardo-rojizo, con margen escarioso; glumas femeninas anchamente obovadas, de ápice obtuso, truncado o redondeado, de color pardo a pardo rojizo, en ocasiones muy oscuro, con margen escarioso, menores que los utrículos. Utrículos 2–3(3,5) × 0,9–1,2 mm, suberectos, de contorno oval u obovado, trígonos, con los nervios muy poco perceptibles salvo los 2 laterales, pubescentes o raramente glabros, verdosos o parduscos, estrechados gradualmente a atenuados en un pico de 0,1–0,3 mm, entero o cortamente bidentado. Aquenios 1,7–2,5 × 0,8–1,1 mm, de contorno elíptico, trígonos, pardos. 2n = ca. 46*, 52*, 54*, 56*. [details]
Taxonomic remark Source in seed data: wcs Update namepublishedIn from Sp. Pl., ed. 4 [Willdenow] 4(1): 255. 1805 to Sp. Pl., ed. 4 , 4: 255 (1805), information provided by Alan E. on email Jun. 07 2021 More details could be found in [details]
Translation Loosely cespitose, sometimes with somewhat elongated, ascending rhizome internodes. Stems (3.5)5–15(17) cm, obtusely trigonous, smooth or scabrid at the apex, lateral, leafless or with 1–2 leaves reduced to a sheath with a poorly developed blade. Leaves (0.3)2–3.5(4.5) mm wide, shorter than the stems, rarely somewhat longer, smooth except along the margins of the apical zone, flat or slightly channelled, curved or straight, somewhat rigid; ligule minute, with an acute or obtuse apex, broader than the blade; no antiligule; basal sheaths with a developed blade, somewhat torn to fibrous, brown. Lower bract glumaceous, not foliaceous. Male spike solitary, (4)6–9(11) mm, linear; female spikes (1)2–3, (2.5)5–10(12) mm, grouped with the male, sessile or subsessile, erect, linear, lax. Male glumes oval, with obtuse or acute apex, reddish-brown, with scarious margin; female glumes broadly obovate, with obtuse, truncate or rounded apex, brown to reddish-brown, sometimes very dark, with scarious margin, shorter than the utricles. Utricles 2–3(3.5) × 0.9–1.2 mm, suberect, oval or obovate in outline, trigonous, with nerves scarcely perceptible except the two lateral ones, pubescent or rarely glabrous, greenish or brownish, gradually narrowed to attenuate into a beak 0.1–0.3 mm long, entire or shortly bidentate. Achenes 1.7–2.5 × 0.8–1.1 mm, elliptic in outline, trigonous, brown. 2n = c. 46*, 52*, 54*, 56*. [details]
To Biodiversity Heritage Library (336 publications)
To European Nucleotide Archive, ENA (Carex ornithopoda)
To GenBank (7 nucleotides; 2 proteins)
To International Plant Names Index (IPNI)
To International Plant Names Index (IPNI) (from synonym Carex digitata subsp. ornithopoda (Willd.) Bonnier & Layens)
To International Plant Names Index (IPNI) (from synonym Carex digitata var. ornithopoda (Willd.) DC.)
To Plants of the World Online (from synonym Carex digitata var. ornithopoda (Willd.) DC.)
To Plants of the World Online (from synonym Carex digitata subsp. ornithopoda (Willd.) Bonnier & Layens)
To Plants of the World Online
To The Plant List (from synonym Carex digitata var. ornithopoda (Willd.) G.Mey.)
To European Nucleotide Archive, ENA (Carex ornithopoda)
To GenBank (7 nucleotides; 2 proteins)
To International Plant Names Index (IPNI)
To International Plant Names Index (IPNI) (from synonym Carex digitata subsp. ornithopoda (Willd.) Bonnier & Layens)
To International Plant Names Index (IPNI) (from synonym Carex digitata var. ornithopoda (Willd.) DC.)
To Plants of the World Online (from synonym Carex digitata var. ornithopoda (Willd.) DC.)
To Plants of the World Online (from synonym Carex digitata subsp. ornithopoda (Willd.) Bonnier & Layens)
To Plants of the World Online
To The Plant List (from synonym Carex digitata var. ornithopoda (Willd.) G.Mey.)
