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Erigeron yukonensis : ウィキペディア英語版 | Erigeron yukonensis
''Erigeron yukonensis'' is a rare Arctic species of flowering plant in the daisy family known by the common name Yukon fleabane.〔 It is native to the northwestern corner of North America: Alaska, Yukon, Northwest Territories.〔(Biota of North America 2014 state-level distribution map )〕 ''Erigeron yukonensis'' grows in rocky slopes and meadows, usually above the tree line. It is a branching perennial herb up to 40 centimeters (16 inches) tall, producing a taproot and a woody underground caudex. It generally produces 1-4 flower heads per stem. Each head contains 42–82 pink, purple, or white ray florets surrounding numerous yellow disc florets.〔(Flora of North America, ''Erigeron yukonensis'' Rydberg, 1901. Yukon fleabane )〕 ==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「Erigeron yukonensis」の詳細全文を読む
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