光皮树又名“石板树”“树子树”“车梁树”。属山茱萸科,徕木属,落叶乔木.栽后2～3年即可开花结籽,每株树结籽5～10公斤.5年后进入盛产期,盛产期后每株树年平均结油籽50多公斤,多的可达100～150公斤,最高可产300公斤.每年谷雨前后开花,11月成熟.经中科院和国家油脂局测定:光皮树籽含油率达33%,其油色泽橙黄透明,气味芳 Light skin tree, also known as “stone tree” “tree tree” “car beam tree.” Is a genus of Cornus, Leymus, deciduous tree .Planting 2 to 3 years after transplanting, each tree seed 5 to 10 kg .From 5 years later into the rich period, the annual yield of each tree after the average annual oil Seed more than 50 kilograms, up to 100 to 150 kilograms, up to 300 kilograms. Annual valley before and after the flowering, maturity in November. The Chinese Academy of Sciences and the National Oil Board determination: kelp seed oil content of 33%, the oil color Yellow transparent, smell fragrant