Yo Takenaka

Yo Takenaka (竹中 要 Takenaka Yō, 1903–1966) was a Japanese plant geneticist and a Professor of Department of Cell Genetics, National Institute of Genetics. He is notable for researching the phylogenetic classification of cherry blossom. He discoverd that Prunus × yedoensis is a crossbreed of two wild species of Japanese cherry; Prunus spachiana forma ascendens (Edo higan) and Prunus speciosa (Oshima zakura) by crossing experiments. He was also known as a researcher on Japanese morning glory and Nicotiana.

He was born in Hyōgo Prefecture, Japan in 1903. He graduated from the Department of Botany, Faculty of Science, Tokyo Imperial University in 1927. He was a Professor of Keijō Imperial University from 1929 to 1945. After the end of war, he became a Professor of National Institute of Genetics in 1949. He died on 18 March 1966 at the age of 62.

• "ソメイヨシノの起源" [The Origin of the Yoshino cherry]. 染色体 [La Kromosomo]. 染色体学会 [The Society of Chromosome Research ]. 21: 777–778. 1954. 
• "サクラの研究(第1報) ソメイヨシノの起源" [Research on Cherry (1): The Origin of the Yoshino cherry]. 植物学雑誌 [Botanical Magazine]. Vol. 75. July 25, 1962. pp. 278–287. 
• "サクラの研究(第2報) ソメイヨシノの起源" [Research on Cherry (2): The Origin of the Yoshino cherry]. 植物学雑誌 [Botanical Magazine]. Vol. 78. September 25, 1965. pp. 319–331. 
• TAKENAKA, Yô (1963). "The Origin of the Yoshino cherry tree" (PDF). Journal of Heredity. Oxford University Press. 54 (5): 207–211.