Northeastern Asian Flora
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Cirsium spinosum Kitam.  
Family: Asteraceae
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  • Japan Flora
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Japan Flora: Stems stout, branched, cobwebby; radical leaves rather thick, ob­long, about 30 cm. long, long-petiolate, pinnately parted, the segments spreading, ovate, approximate, toothed, spine-tipped, glabrous above, cobwebby beneath, rarely short-pubescent on nerves beneath; cauline leaves gradually smaller, elliptic or broadly ovate, auriculate-clasping, pinnately lobed to cleft, the lobes prominently spiny, cobwebby beneath; heads subsessile, congested, the spines of the bracteal leaves 10-15 mm. long; involucres campanulate, 1.7-1.8 cm. long, 2-2.5 cm. wide; bracts 5- or 6-seriate, erect, spine-tipped, nearly equal in length or the outer slightly shorter, the outer ovate, acuminate, cilio­late; corollas 18-20 mm. long. Aug.-Oct. Near seashores.

Kyushu (s. distr.). Ryukyus.

Cirsium spinosum
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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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