A perennial plant of the Asteraceae family native to North America, a member of the Helenium genus. It is cultivated for flower beds and for cut flowers. The stem stands upright at about 1m in height and branches at the top, producing flower heads about 3-4cm in diameter in August-September. The ray flowers have three lobes at the tip, and although the basic species is yellow, there are also horticultural varieties that are dark red or yellowish brown. The central tubular flower is raised to a hemispherical shape. It is propagated by division. Source : Heibonsha Encyclopedia About MyPedia Information |
北米原産のキク科の多年草で,ヘレニウム属の一種。花壇や切花用に栽培。茎は高さ1m内外に直立し上部で分枝,8〜9月に径3〜4cmほどの頭花をつける。舌状花は先端が3裂し,基本種では黄色だが,暗赤色や黄褐色等の園芸品種もある。中心の筒状花は半球状に盛り上がる。株分けでふやす。
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