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Tetraneuris ivesiana : ウィキペディア英語版 | Tetraneuris ivesiana
''Tetraneuris ivesiana'' is a North American species of plants in the sunflower family. It grows in the southwestern United States, in Arizona, New Mexico, Utah, Colorado.〔(Biota of North America Program 2014 county distribution map )〕〔(SEINet Southwestern Biodiversity, Arizona chapter ) description, photos, distribution map〕 ''Tetraneuris ivesiana'' is a perennial herb up to tall. It forms a branching underground caudex sometimes producing as many as 30 above-ground stems. One plant can produce as many as 30 flower heads. Each head has 7-10 yellow ray flowers surrounding 40-150 yellow disc flowers.〔(Flora of North America, ''Tetraneuris ivesiana'' Greene, Pittonia. 3: 269. 1898. )〕 ==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「Tetraneuris ivesiana」の詳細全文を読む
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