文冠果(又名木瓜)是一种很有发展前途的木本油料树种。在我国自然分布多在内蒙古大青山、陕北劳山、晋西吕梁山,陇东子午岭等荒山沟谷之中。一些生长较集中的地方,被称为“木瓜山、木瓜川”。但由于没有作为油料林加以管护,受人畜危害,长势较差,产量不高。在种植方面,过去由于受孔孟之道的影响,认为文冠果开白花,是“绝后树”,所以,只在喇嘛庙周围和少数 Wen Guan fruit (also known as papaya) is a very promising woody oil tree species. In our natural distribution mostly in Daqingshan, Inner Mongolia, Laoshan Shanbei, Shanxi Luliang Mountain, Longdong Ziwu Ridge and other barren mountain valleys. Some of the more concentrated place, known as “Papaya Hill, Papaya River.” However, due to lack of management as an oil forest, it is harmed by human beings and livestock, and its growth is poor and output is not high. In terms of cultivation, in the past due to the influence of Confucius and Mencius, it was thought that the crown of the tree was a “never-before-seen tree.” Therefore, only around the Lama Temple and the minority