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Crocidium (plant) : ウィキペディア英語版 | Crocidium (plant)
''Crocidium'' is a small North American genus of plants in the daisy family.〔(Hooker, William Jackson. 1834. Flora Boreali-Americana 1(suppl.): 335 ) description in Latin, commentary and figure captions in English〕〔(Hooker, William Jackson. 1834. Flora Boreali-Americana 1(suppl.): plate CXVIII ) line drawing of 〕 ''Crocidium'' is native to western North America: British Columbia Washington, Idaho, Oregon, and California.〔http://bonap.net/MapGallery/County/Crocidium%20multicaule.png〕 ''Crocidium'' can be found in varied habitats from grassland to woodland. It is a small annual, typically not exceeding 30 centimeters (12 inches) in height. It grows from a small patch of somewhat fleshy leaves at the ground and erects several very tall, very thin gangly stems, each of which is topped with a flower head. The flower head is made up of five to 13 lemon yellow ray florets, each up to a centimeter long. The center of the head is filled with tiny disc florets, in a similar shade of bright yellow. The fruits are fuzzy brown achenes only one or two millimeters long which turn gluey when wet.〔(Flora of North America, Vol. 20 Page 641 ''Crocidium'' Hooker, Fl. Bor.-Amer. 1: 335, plate 118. 1834. )〕 ;Species〔(The Plant List search for ''Crocidium'' )〕〔(Flann, C (ed) 2009+ Global Compositae Checklist search for ''Crocidium'' )〕 # ''Crocidium multicaule'' Hook. - British Columbia, Washington, Idaho, Oregon, California # ''Crocidium pugetense'' H.St.John - British Columbia, Washington ==References==
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