" the tale of genji " also described utsuroi-giku as ' the color-changing chrysanthemum ,' and the tale shows us that people at that time not only enjoyed looking at the chrysanthemum but also used it as kazashi (flowers worn in one ' s hair in a shrine ritual ) and as a twig attached to a letter . 源氏物語にも「うつろひたる菊」などという呼び方で登場し、鑑賞するほかに挿頭や手紙の付け枝として利用されていたことがわかる。
Utsuro was a quasi family-related community from the late muromachi period to the azuchi-momoyama period that organized family members and vassals around the head of the family , called soryo (heir ); organizations such as these were seen among sengoku daimyo (japanese territorial lord in the sengoku period ) in the tohoku and kanto regions . 洞（うつろ）とは、室町時代後期から安土桃山時代にかけて、現在の東北地方及び関東地方の戦国大名に見られた形態で惣領である当主を中心に一族・家臣をまとめた擬似的要素のある族縁共同体のこと。
