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Helenium chihuahuense : ウィキペディア英語版 | Helenium chihuahuense
''Helenium chihuahuense '' is a North American perennial plant in the Sunflower Family. It has been found only in the State of Chihuahua in northwestern Mexico.〔〔Turner, B. L. 2013. The comps of Mexico. A systematic account of the family Asteraceae (chapter 11: tribe Helenieae). Phytologia Memoirs 16: 1–100〕 ''Helenium chihuahuense '' is a branching annual herb up to 78 cm (31.2 inches) tall with thick rootstocks producing only one stem with a single flower head. Leaves long and narrow, irregularly lobed.. The head is spherical or egg-shaped, with many disc flowers, each yellow with purple tips. These are surrounded by about 14-15 yellow ray flowers.〔 ==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「Helenium chihuahuense」の詳細全文を読む
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