Northeastern Asian Flora
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Cirsium aomorense Nakai   (redirected from: Cirsium japonicum var. yezoense Maxim.)
Family: Asteraceae
[Cirsium aomorense f. albiflorum (Kitam.) Kitam., moreCirsium aomorense f. echinoides Kitam., Cirsium aomorense f. yesoanum Nakai, Cirsium japonicum var. yezoense Maxim., Cirsium maximowiczii Nakai, Cirsium oligophyllum f. leucanthum Kitam., Cirsium oligophyllum subsp. aomorense (Nakai) Kitam., Cirsium yesoanum Nakai]
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  • Japan Flora
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Japan Flora: Stems about 50 cm. long, sub­sea pose, often densely cobwebby; radical leaves much larger than the cauline, elliptic to elliptic-lanceolate, 30-60 cm. long, 11-25 cm. wide, narrowed at base, lustrous and glabrous above, slightly cobwebby to glabrous beneath, once to twice pinnarifid, the lobes incised; lower cauline leaves semiclasping; median leaves loosely arranged, small, clasping, narrowly oblong, pin- natifid, loosely cobwebby beneath; heads long-pedunculate, erect at anthesis; involucres depressed-globose, 1.8-2 cm. long, 3-4 cm. wide, cobwebby; bracts 6- or 7-seriate, linear, short spine-tipped, the outer often elongate; corollas 20-22 mm. long.  Aug.-Sept. Grassy places in lowlands.

Hokkaido, Honshu (n. distr.).

Cirsium aomorense
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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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