Ailanthus altissima, commonly known as tree of heaven, ailanthus, or in Standard Chinese as chouchun (Chinese: 臭椿; pinyin: chòuchūn; literally: “foul smelling tree”), is a deciduous tree in the Simaroubaceae family. It is native to both northeast and central China, as well as Taiwan and subject matter of the best-selling American novel A Tree Grows in Brooklyn by Betty Smith. video & podcast are here