Official

　Japanese pampas grass is a perennial herb of the Japanese pampas grass genus native to fields throughout Japan, and is a major type of useful plant used for roofing materials, collectively referred to as "kaya".　　　　　　　　　　　　　　　　　　　　It is also called Obana because the spike resembles an animal's tail, and is counted as one of the seven herbs in autumn, producing the arrival of autumn, writing in Manyoshu in old days, and also appearing in The Tale of Genji and pillows.　　　　　　　　　　　　　　　　　　　　It is also used for autumn grass patterns such as flower and bird wind moon paintings and lacquer work, local toys such as Japanese pampas grass mizuku, charcoal bales, sandals, brooms, etc., and is deeply familiar to and familiar with Japanese life.　　　　　　　　　　　　　　　　　　　　　　In the past, it is said that the collection site "Kayaba" was provided beside the village, and it was carefully maintained and maintained by human hands.　　　　　　　　　　　　　　　　The spikes are initially reddish, and the fruits (Aika) have white hairs, and when the flowers open, they become fluffy and silver, and eventually shine golden when the season deepens.　　　　　　　　　　　　　　　　　　In the moon viewing season, thanks to the autumn harvest, along with harvests such as potatoes and beans, the ears of Japanese pampas grass are regarded as rice ears before harvesting, and they are served in vases.　　　　　　　　　　　　　　　　　Because of its hollow stems, it has long been believed to be God's inn "yorishiro" since ancient times, and sharp leaves and sharp cuts are said to have the effect of amulet, so Japanese pampas grass, which is offered for viewing the moon, has the meaning of protecting the harvest from evil spirits and evils and wishing for a good harvest next year. It seems that there are still customs to hang on the eaves to protect rice fields and houses from disasters.　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　The Japanese pampas grass, which grew up in the grassland on the shores of the tide pond at Hamarikyu Garden, shines in the sun and sways in the wind.