这种植物其实就是“盐肤木”，又叫“五倍子树”，在岭南一带人们都称它为“盐霜白”，“盐霜白”的名字由来是依据它的特性来命名的，“盐肤木”它的枝叶和树干会分泌出一种液体，这些液体变干后，就像我们食用的盐一样，味道咸咸的，它之所以能分泌出盐分，这与它的特点和生长环境有紧密关联，“盐肤木”大多生长于我国的河流入海处，这些地方容易发生海水倒灌，土壤的盐分含量也会增高极，“盐肤木”为了生存，只能将多余的盐分排出，使自己不被高盐度的体液伤害。
This kind of plant is actually "Rhus chinensis", also known as "gallnut tree". People call it "salt frost white" in Lingnan area. The name of "salt frost white" is named according to its characteristics. Its branches, leaves and trunk will secrete a kind of liquid. When the liquid dries, it tastes salty and salty just like the salt we eat. The reason why it can secrete Salt, which is closely related to its characteristics and growth environment, "Rhus chinensis" is mostly grown in the rivers of our country, which are prone to seawater backflow, and the salt content of the soil will increase extremely. "Rhus chinensis" in order to survive, can only discharge the excess salt, so that they are not harmed by high salinity body fluids.
“盐肤木”是一种喜光、喜温暖的树木，适应能力极强，尤其是它的根系，极其发达，而且它的生长速度很快，是我国一种经济树种，“盐肤木”是“五倍子”蚜虫寄生植物，它的幼枝和叶子上能形成虫瘿，这种虫瘿就是著名的中药材“五倍子”，“五倍子”对多种疾病都有很好的治疗效果。其药味酸涩，性寒，具有固精、解毒、止汗、涩肠的功效，被中医用于治疗自汗盗汗、久痢久泻、脱肛、遗精、白浊、肺虚久咳和痈肿疮疖等疾病，外用还能治疗火伤及烫伤。
"Rhus chinensis" is a kind of light loving and warm loving tree with strong adaptability, especially its root system, which is extremely developed, and its growth speed is very fast. It is an economic tree species in China, "Rhus chinensis" is a aphid parasite plant of "galls" whose young branches and leaves can form galls, which is the famous Chinese medicine "galls", "galls" for many All kinds of diseases have good therapeutic effect. It has the functions of strengthening essence, detoxifying, stopping perspiration and astringent intestines. It is used in traditional Chinese medicine to treat such diseases as self perspiration, night sweat, long diarrhea, prolapse, spermatorrhea, white turbidity, long cough due to lung deficiency, carbuncle, sore and furuncle. It can also be used for external treatment of fire and scald.