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Published In: Species Plantarum 2: 978. 1753. (1 May 1753) (Sp. Pl.) Name publication detailView in BotanicusView in Biodiversity Heritage Library
 

Project Name Data (Last Modified On 6/2/2011)
Acceptance : Accepted
Project Data     (Last Modified On 6/3/2011)
Flower/Fruit: Fl. & Fr.: May – June.
Type: Type: ”Hab. In Europae fossis”.
Habitat: Wet wooded areas.
Distribution: Distribution: Probably on all continents; Europe, Caucasus, Siberia, to Tian Shan Mts., Pamir and Kashmir; N. Africa, Syria, Israel, Turkey, Iran, Japan, N. America.
Comment/Acknowledgements: Reported from Kashmir (C.B.Clarke, l.c. and R.R.Stewart, l.c.)

 

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Loosely tufted perennial, 60-120 cm. Rhizome short. Stem sharply trigonous, scabrous along edges. Leaves subbasal, flexuous, equalling or overtopping stem; sheaths 5-20 cm, yellowish or reddish, margin of scarious side concave; ligule up to 0.5 mm; blades 6-9 mm wide, flat, adaxial side scabrous along nerves, abaxial side less scabrous, margins and keel barbed. Inflorescence of terminal male spike and 3-5 female spikes below, close together, the latter drooping. Bracts much overtopping the inflorescence. Male spikes 22-62 x 3-5 mm, fusiform, cylindrical or club-shaped; male glumes 5.3-7.3 x 0.6-0.8 mm, incl. barbed arista 1.5-2.5 mm, ovate, yellowish-brown, scabrous, margins scarious. Female spikes 33-65 x 8-11 mm, cylindrical, peduncles 10-40)-140) mm; female glumes 3.3-6 x 0.6-0.8 mm, incl. barbed arista 2.3-5 mm, yellowish, apex scabrous, margins scarious; utricles 4.9-5.4 x 1.6-2.2 mm, with stipe 0.4-0.4 mm, ovoid, spreding-erect, later reflexed, strongly nerved, smooth, greenish yellow, beak 1.6-2.2 mm, cylindrical, smooth, with 2 long, rigid teeth. Stigmas 3. Nut 2-2.4 x 0.9-1.1 mm, including 0.4-0.8 mm style base, obovoid, trigonous, yellow or light brown, finely reticulate with a papilla in each areole.
 
 
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