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''Agoseris glauca'' is a North American species of flowering plants in the daisy family known by the common names pale agoseris, prairie agoseris, and short-beaked agoseris. The plant is native to western and northwestern North America from Alaska east to the Northwest Territories and Ontario, south to California, Arizona, and New Mexico. 〔(CalFlora taxon report, University of California: ''Agoseris glauca'' )〕 It grows in many habitat types. ==Description== ''Agoseris glauca'' is a perennial herb which varies in general appearance. It produces a basal patch of leaves of various shapes which may be as long as the plant is high.〔(Flora of North America, ''Agoseris glauca'' )〕 There is no stem but the plant flowers in a stemlike inflorescence which is sometimes erect, reaching heights near half a meter or taller. The flower head is one to three centimeters wide with layers of pointed phyllaries. The head is ligulate, bearing many yellow ray florets but no disc florets.〔 The fruit is an achene with a body up to a centimeter long and a pappus which may be almost 2 centimeters in length.〔 ;Varieties〔〔 *''Agoseris glauca'' var. ''dasycephala'' (Torr. & A. Gray) Jeps. *''Agoseris glauca'' var. ''glauca'' 〔(CalFlora Database: ''Agoseris glauca'' var. ''glauca'' )〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Agoseris glauca」の詳細全文を読む スポンサード リンク
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