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沙棘,又名醋柳、酸刺、黑刺,属胡颓子科沙棘属,是具有共生固氮能力的落叶灌木。植株高达3米至10米,具粗壮棘刺,幼枝密被褐锈色鳞片。叶互生或近对生,长2厘米至6厘米,宽0.4厘米至1.2厘米,两端钝尖,背面密被淡白色鳞片。花淡黄色,花小,雌雄异株,花期3月至4月。果实近于球形,橙黄色或红色,果实成熟期9月至10月。沙棘广泛分布于欧亚大陆。我国的西北、华北、东北、西南地区均有大面积的栽培。
Seabuckthorn, also known as vinegar Liu, acid thorn, black thorn, is an Elaeagnus Seabuckthorn, is a symbiotic nitrogen fixation deciduous shrub. Plants up to 3 meters to 10 meters, with thick thorns, young branchlets are brown rust scales. Leaves alternate or nearly straight, 2 cm to 6 cm long, 0.4 cm wide to 1.2 cm, blunt tip at both ends, the back of the dense white light scales. Light yellow flowers, small flowers, dioecious, florescence March to April. The fruit is nearly spherical, orange or red, fruit ripening from September to October. Seabuckthorn widely distributed in Eurasia. Northwest China, North China, Northeast China and Southwest China have large-scale cultivation.