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・ Helicina orbiculata
・ Helicina platychila
・ Helicina rhodostoma
・ Helicina rostrata
・ Helicine arteries
・ Helicine arteries of penis
・ Helicinidae
・ Helianthus pauciflorus
・ Helianthus petiolaris
・ Helianthus porteri
・ Helianthus praecox
・ Helianthus praetermissus
・ Helianthus pumilus
・ Helianthus radula
・ Helianthus resinosus
Helianthus salicifolius
・ Helianthus sarmentosus
・ Helianthus schweinitzii
・ Helianthus silphioides
・ Helianthus simulans
・ Helianthus smithii
・ Helianthus speciosus
・ Helianthus × laetiflorus
・ Helianthushof
・ Helias
・ Helias (disambiguation)
・ Helias de Say
・ Helias Doundoulakis
・ Helias High School
・ Helias of Cologne


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Helianthus salicifolius : ウィキペディア英語版
Helianthus salicifolius

''Helianthus salicifolius'' is a North American species of sunflower known by the common name willowleaf sunflower. It is native to the central United States, primarily in the Great Plains and Ozark Plateau (States of Missouri, Kansas, Oklahoma, and Texas). There are a few reports of scattered populations in the Northeast and Midwest parts of the country, but these appear to be escapes from cultivation.〔(Biota of North America Program 2014 county distribution map )〕
''Helianthus salicifolius'' grows in limestone prairies. It is an perennial herb up to 250 cm (over 8 feet) tall, spreading by means of underground rhizomes. Leaves are long but very narrow, up to 21 cm (8.4 inches) long, but rarely more than 1.2 cm (half an inch) wide. One plant usually produces 6-15 flower heads, each containing 10-20 yellow ray florets surrounding 50 or more red disc florets.〔(Flora of North America, ''Helianthus salicifolius'' A. Dietrich 1834 )〕
==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「Helianthus salicifolius」の詳細全文を読む



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