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''Crepis bakeri'' is a species of flowering plant in the daisy family known by the common name Baker's hawksbeard. It is native to the western United States where it grows in many types of mountain and plateau habitat. It is found in Oregon, Washington, Idaho, northern California, Nevada, and Utah.〔(Biota of North America Program 2014 county distribution map )〕〔(Calflora taxon report, University of California, ''Crepis bakeri'' E. Greene, Baker's hawksbeard )〕 ''Crepis bakeri'' is a perennial herb producing a dark green, hairy, glandular stem up to about 30 centimeters (12 inches) tall from taproot and a thick caudex at ground level. The leaves are narrowly oval and fringed with shallow lobes. They are dark dusty green with reddish or purplish veins and the basal leaves approach 20 centimeters (8 inches) in maximum length. The inflorescence is an open array of up to 22 flower heads. Each has a base of lance-shaped phyllaries which are hairy and often bristly. The flower head contains up to 60 yellow ray florets. There are no disc florets. The fruit is a thin achene up to a centimeter long with an off-white pappus.〔(Flora of North America ''Crepis bakeri'' Greene )〕〔(Greene, Edward Lee 1895. Erythea 3(5): 73 )〕 ;Subspecies〔 * ''Crepis bakeri'' subsp. ''bakeri'' - California, Nevada, Oregon, Washington * ''Crepis bakeri'' subsp. ''cusickii'' (Eastw.) Babc. & Stebbins - California, Oregon, Utah * ''Crepis bakeri'' subsp. ''idahoensis'' Babc. & Stebbins - Idaho, California ==References== 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「Crepis bakeri」の詳細全文を読む スポンサード リンク
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