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(First upload on April 3 2014. Last on July 25 2024) [ 日本語 | English ]

Class Cycadopsida Brongn. (ソテツ) Cycas L. (ソテツ) Sotetsu (ソテツ, 蘇鉄), King sago palm, king sago, sago cycad or Japanese sago palm Life form: evergreen shrub Distribution: China - southern Japan (southern Kyushu and Nansei Islands*) * southwestern islands in the Ryuku archipelago Habitat: rocky sites near seacoasts

Physiology: nitrogen-fixing Use: ebible seeds (after removing the poison)

Cycas revoluta in Japan

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[1/2] The sperms were discovered from this king sago palm by Dr. Ikeno (池野成一郎) in Meiji 29 (1896) as the first record from the world. The plant grew in front of the Archaeology Resource Center of Kagoshima Prefecture Museum on March 20 2015. [3] at Atomic Bomb Dome (原爆ドーム) in Hiroshima, western Japan, on March 14 2014. [4] in the Osaka Castle Park (大阪城公園) on February 5 2022. [5/6] at Kushima Island in Nanki-Kumano GeoPark, western Japan, on June 25 2024.