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酸枣通常为灌木或小乔木。北京市崇文门外小市口上堂子胡同14号院内,有一棵极为罕见的大酸枣树(Zizyphus jujuha Mill.var.spinosus Hu.),树龄约500年,高达20多米,胸围4.4米。虽受雷击,生长仍然旺盛,枝繁叶茂,每年都结果累累。它的树叶为卵状披针形,长1—3cm,先端尖或钝,基部偏斜,有三主脉,边缘为细锯齿。果实熟时呈暗红色近球形,果径长约1.5厘米,果肉较薄、味酸,果核倒卵圆形,果仁扁圆饱满,入药有安神的作用。解放前,人们称它为“神树”,求取它的果实治病。“酸枣树王的发现,对研究树木学、气象学、生物变异、历史等都有一定的价值,应该认真加以保护这
Jujube is usually shrubs or small trees. There is an extremely rare jujube (Zizyphus jujuha Mill.var.spinosus Hu.) In the courtyard of No.14 Shangtangzi Hutong, Chongwenmenwai, Beijing, about 500 years old with a height of more than 20 meters and a bust of 4.4 meters. Although struck by lightning, the growth is still vigorous and flourishing, with numerous results every year. Its leaves are ovate-lanceolate, 1-3cm long, apex acute or obtuse, basal oblique, three main veins, the edge of fine serrations. Fruit ripe dark red nearly spherical, diameter of about 1.5 cm, thin flesh, Pickle, the nucleus of the obovate, nuts oblate full, medicine has the role of soothe the nerves. Before the liberation, people called it the “god tree” and sought the cure of its fruits. "The discovery of the jujube tree king has certain value for the study of tree science, meteorology, biological variation and history, and should be carefully protected