Northeastern Asian Flora
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Cirsium arvense (L.) Scop.   (redirected from: Cirsium laevigatum Tausch)
Family: Asteraceae
[Breea arvensis Less., moreBreea setosa (Willd.) Kitam., Carduus arvensis Robins, Carduus arvensis var. setosus (M.Bieb.) Franch., Carduus segetum (Bunge) Franch., Cephalonoplos arvense (L.) Fourr., Cephalonoplos setosum (Willd.) Kitam., Cirsium albicans Willk., Cirsium albiflorum (Kitag.) Kitag., Cirsium argunense DC., Cirsium arvense var. setosum (Willd.) Ledeb., Cirsium arvense var. subulatum Ledeb., Cirsium dioicum Cass., Cirsium halophilum Turcz. ex Herder, Cirsium horridum (Wimm. & Grab.) Stankov, Cirsium laevigatum Tausch, Cirsium mutatum Menyh., Cirsium neglectum Fisch. ex Spreng., Cirsium ochrolepideum Juz., Cirsium praealtum Cass., Cirsium ruthenicum Fisch., Cirsium segetum Bunge, Cirsium setosum (Willd.) M.Bieb., Cirsium setosum f. albiflorum (Kitag.) Kitag., Cirsium setosum var. subulatum Ledeb., Cnicus arvensis (L.) Roth, Cnicus arvensis var. setosus (Willd.) Maxim., Cnicus setosus (Willd.) Besser, Serratula arvensis L., Serratula setosa Willd., Serratula spinosa Gilib.]
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  • Japan Flora
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Japan Flora: Slightly cobwebby perennial; stems 50-100 cm. long; lower and median cauline leaves oblong-lanceolate, 10-20 cm. long, obtuse, spinulose, gradually narrowed at base, sessile, flat, coarsely incised-toothed; heads rather numerous, erect, the staminate smaller, with involucres about 13 mm. long, the pistillate involucres 35-20 mm. long, the bracts 8- seriate, the outer short, the median lanceolate; achenes about 2.5 mm. long. Aug.-Oct. Waste grounds and roadsides in lowlands.

Hokkaido, Honshu (n. distr.). Korea, Man­churia, China, Siberia, and e. Europe.

Cirsium arvense
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Development supported by College of Agriculture and Life Sciences of Seoul
National University and Korea National Arboretum of Korea Forest Service.
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