乌桕是我国一个特产树种,分布于黄河以南。乌桕在微酸性及至含有0.2％的盐土上均能生长,一般5—6年即能开花结实,土层肥厚、水分充足时树龄可达百余年。乌桕种子含桕脂24—26％、桕油16—17％。是目前木本油料树种中出油率较高的树种之 Wuyi is a special tree species in China, located in the south of the Yellow River. Aescantha slightly acidic and up to 0.2% of the saline soil can grow, usually 5-6 years that flowering and fructification, soil hypertrophy, adequate water age up to a hundred years. The black sesame seeds contain fat 24-26%, Emu Oil 16-17%. It is the tree species with higher oil yield in woody fuel tree species at present