沙棘属于胡颓子科沙棘属,是落叶灌木或小乔木,高5～10米,常见2米左右,寿命可达100年以上。根系发达,有根瘤。具粗壮棘刺,枝幼时密被褐锈色鳞片。叶互生,线性或线状披针形,两端钝尖,下面密被淡白色鳞片。花先叶开放,雌雄异株;短总状花 Seabuckthorn belongs to the Elaeagnus Seabuckthorn, deciduous shrubs or small trees, 5 to 10 meters high, common 2 meters, life expectancy of up to 100 years. Roots developed, there are nodules. With strong thorns, branches were secretly brown rust scales. Leaves alternate, linear or linear-lanceolate, blunt tip at both ends, the following is pale white scales. Flowers first leaves open, dioecious; short racemose