Official

　The "miracle flower" "Aonoryuzetsuran (blue dragon tongue orchid)" that is planted near the border of the flower garden of the Hamarikyu Onshi Garden, Uchibori Square, and Button Garden, which is said to bloom only once every few decades, is in flowering. is.　　　　　　　　Aonoluzetsuran is located in North America·An evergreen perennial succulent plant of the family Liuzetsuran (APG category) native to Mexico.　　　　　The species with yellow spots (covering rings) on the edge of the leaves are called Ryuzetsuran, and the green ones without spots are called Aonoryuzetsuran.　　　　　　　　　　Spread 2-30 lanceo-shaped thick leaves with stabbing at the tip and edge in a rosette shape with a diameter of 2-3m, and during the flowering season, the thick flower stem is extended from the center of the rosette to 5-8m, and the conical inflorescence Many pale yellow flowers are attached, and after flowering, the foliage dies.　　　　　　　　　　　　　　　　　　　　　　　　　　Tequila is made from a certain kind of stem of the same genus.　　　　　　　　By the way, the English name is a "century plant" that means "it blooms only once every 100 years", and is derived from the rare characteristics of flowering frequency.　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　In addition, since another plant bloomed in Hamarikyu Onshi Garden in 2012, this flowering (July 19) is the first time in 10 years, and it is a rare encounter.