一、沙棘(Hippophae Rhamnoides L): 学名、醋柳,酸刺,黑刺。胡颓子科,沙棘属。它是多年生落叶灌木或小乔木。枝上有灰褐色粗壮针刺,幼枝时密,披褐色锈磷片。三四月开花、黄色单叶互生。3—4年结果。浆果近球形,径长约5～10厘米,橙黄色或桔红色果实,每果内有种子一粒,卵形、种子坚硬,黑褐色有光泽。 First, sea buckthorn (Hippophae Rhamnoides L): scientific name, vinegar, sour, black thorn. Amaranthaceae, seabuckthorn. It is a perennial deciduous shrub or small tree. Branches are gray-brown stout acupuncture, young branches are dense and covered with brown rust. March and April flowering, yellow leaves alternate. 3-4 years of results. The berries are nearly spherical and have a diameter of about 5 to 10 cm. They are orange or orange in color. Each fruit contains one seed, which is ovate, hard and dark brown in color.