"Shokudai Okonjaku" is a plant of the Araceae family native to Indonesia. It is said to be "one of the world's largest flowers" with a height of over 3 meters.
Flowering began for the first time in three years around noon on the 27th. The plant will be open to the public for three days from the 30th to the 3th, with longer hours than usual. The best time to see it is about 28 days after flowering.