我国栽培泡桐有悠久的历史。桐之各最早见于公元前21至16世纪成书的《夏小正》即“三月,拂桐笆”。据夏纬英先生考证,这里所说的桐,即玄参科的泡桐。因为泡桐花蕾形成于去年秋季,到夏历三月才开花。《诗经》有:椅桐梓漆,“爱伐琴瑟”,“梧桐生矣,于彼朝阳”,但古时把泡桐和梧桐科的梧桐相混。明代药学家兼植物学家李时珍 Paulownia cultivation in our country has a long history. Tong’s first seen in 21 BC to the 16th century book “Xia Xiaosheng” that is, “March, Tong Tong.” According to Mr. Xia Weiying research, said here Tong, namely Scrophulariaceae Section Scrophulariaceae. Because paulownia flower buds formed in last autumn, to the lunar calendar in March before flowering. “The Book of Songs” are: chair Tongzi paint, “Love Catherine”, “Indus born, in his sunrise”, but in ancient times the Paulownia and Sycamore Branch Indus mixed. Ming Dynasty pharmacologist and botanist Li Shizhen