People have believed that two theories as origins of the name of the tree. The one is; the tumulus is called as the grave of Takedaoh (King of Takeda) who was Yamatotakeru (hero of Japanese myth). Waniduka is written in Kanji as a tumulus of King (王仁塚). The other one is; the shape of the tumulus is similar to mouth of Wani (鰐-old name of shark).
The Sakura is printed on the total tour booklet of Nirasaki. In this year, some news programs talked about it, which made it get famous nowadays. The best season to enjoy it is from the end of March to the middle of April. The tree will be lighten up among the limited days from dusk to night time. A lot of cameramen visit and take photos of the tree and Kayagatake (茅ヶ岳)with snow. The tree stands and blows flowers at the centre of field ,which looks so grand and attractive!!!