沙棘,又名黄酸刺、醋柳,维吾尔人称为戚阿艾,是胡颓子科的一种野生灌木或小乔木。树高1～5米,有棘刺,多分枝,叶单生或互生,线状或线状披针形,两面有银灰色鳞片状斑点及星状白毛,叶柄很短。总状花序着生在枝条茎部,花小形,果实为核果,比沙枣果小,球形或卵园形,橘黄色或红色。花期4～5月份,果期在6～8月份。 Seabuckthorn, also known as yellow acid thorn, vinegar Liu, Uighurs called Qi Aye, is a species of wild Elaeagnus shrubs or small trees. Trees 1 to 5 meters high, with thorns, branches, leaf solitary or alternate, linear or linear-lanceolate, on both sides of the silver-gray scale-like spots and stellate white hair, petiole is very short. Raceme was born in branches stems, flowers small, fruit as stone fruit, jujube fruit than small, spherical or egg-shaped garden, orange or red. Flowering from April to May, the fruit of 6 to August.