胡颓子(Elaeagnus pungens Thunb)为胡颓子科胡颓子属常绿阔叶灌木,高3~4m,冠幅3~4.6m,具棘刺,小枝开展,被锈褐色鳞片,树冠圆形开展,树皮棕褐色。叶椭圆形或长圆形,单叶、互生,长4~10cm,叶端钝或尖,叶基圆形,革质,有光泽,深绿色,由于叶色特异,形成不同的杂交种或栽培品种。花小,乳白色或银白色,芳香, Elaeagnus pungens Thunb is an Elaeagnus Elaeagnus is an evergreen broad-leaved shrub, high 3 ~ 4m, crown width of 3 ~ 4.6m, with thorns, branchlets carried out, rust brown scales, canopy round to carry out , Bark brown. Leaves elliptic or oblong, single leaf, alternate, long 4 ~ 10cm, leaf tip blunt or pointed, leaf base round, leathery, shiny, dark green, due to leaf color specific, the formation of different hybrids or cultivation Variety. Small flowers, milky white or silver, aromatic,